News for everyone who contributes to Home Assistant.https://contributors.home-assistant.io/https://contributors.home-assistant.io/blog/2026/10/16/a-new-home-for-every-contributor/https://contributors.home-assistant.io/blog/2026/10/16/a-new-home-for-every-contributor/The developer docs, the design portal, and the data science portal are now one site, for everyone who helps build Home Assistant, code or no code.Fri, 16 Oct 2026 00:00:00 GMTannouncementsstarthttps://contributors.home-assistant.io/blog/2026/10/13/device-info-class/https://contributors.home-assistant.io/blog/2026/10/13/device-info-class/DeviceInfo and ChildDeviceInfo are no longer TypedDicts. They are dataclasses with typed fields, which are read and written as attributes.Tue, 13 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/10/12/new-entity-lifecycle-hooks/https://contributors.home-assistant.io/blog/2026/10/12/new-entity-lifecycle-hooks/Two new entity lifecycle hooks have been added: async_prepare_to_add_to_hass and async_entity_id_changed.Mon, 12 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/10/10/update-entity-update-availability/https://contributors.home-assistant.io/blog/2026/10/10/update-entity-update-availability/As of Home Assistant Core 2026.11, update entities can override the new has_update property to determine whether an update is available.Sat, 10 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/10/09/uom-selector/https://contributors.home-assistant.io/blog/2026/10/09/uom-selector/A new UnitOfMeasurementSelector lets users pick a unit of measurement in a config, options, or subentry flow, and in blueprints.Fri, 09 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/10/08/climate-native-temperature/https://contributors.home-assistant.io/blog/2026/10/08/climate-native-temperature/As of Home Assistant Core 2026.11, climate entities have a new temperature_unit state attribute, and the temperature properties integrations implement have been renamed with a native_ prefix.Thu, 08 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/10/08/water-heater-native-temperature/https://contributors.home-assistant.io/blog/2026/10/08/water-heater-native-temperature/As of Home Assistant Core 2026.11, water heater entities have a new temperature_unit state attribute, and the temperature properties integrations implement have been renamed with a native_ prefix.Thu, 08 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/10/06/restore-state-last-states-removal/https://contributors.home-assistant.io/blog/2026/10/06/restore-state-last-states-removal/As of Home Assistant Core 2026.11, states stored by the restore state helper are indexed by the entity's entity registry ID instead of by its entity ID.Tue, 06 Oct 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/30/probatio-validation-engine/https://contributors.home-assistant.io/blog/2026/09/30/probatio-validation-engine/Since Home Assistant Core 2026.9, schema validation runs on Probatio instead of voluptuous.Wed, 30 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/28/central-config-flow-abort-reasons/https://contributors.home-assistant.io/blog/2026/09/28/central-config-flow-abort-reasons/As of Home Assistant Core 2026.10, the homeassistant integration can translate abort reasons that every integration words the same way.Mon, 28 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/26/llm-tool-result/https://contributors.home-assistant.io/blog/2026/09/26/llm-tool-result/As of Home Assistant Core 2026.10, an LLM tool returns an llm.ToolResult instead of a plain JSON object.Sat, 26 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/17/Use-config-entry-exc-in-migration/https://contributors.home-assistant.io/blog/2026/09/17/Use-config-entry-exc-in-migration/Integration migration async_migrate_entry method can now raise config entry exceptions instead of only being limited to return False.Thu, 17 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/15/device-entry-config-entries-deprecation/https://contributors.home-assistant.io/blog/2026/09/15/device-entry-config-entries-deprecation/The device registry's multi-config-entry compatibility properties — DeviceEntry.config_entries, DeviceEntry.config_entries_subentries and DeviceEntry.primary_config_entry — were announced as deprecated in Devices are restricted to a single config entry and at most one subentry, but reading them was still silent.Tue, 15 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/11/lawn-mower-stop-action-idle-activity/https://contributors.home-assistant.io/blog/2026/09/11/lawn-mower-stop-action-idle-activity/As of Home Assistant Core 2026.10, LawnMowerEntity supports a stop action and an IDLE activity.Fri, 11 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/07/oauth2-central-error-handling/https://contributors.home-assistant.io/blog/2026/09/07/oauth2-central-error-handling/As of Home Assistant Core 2026.10, the OAuth2 helper raises exceptions that config entry setup already understands, so integrations no longer translate OAuth2 failures themselves.Mon, 07 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/04/device-and-state-class-selectors/https://contributors.home-assistant.io/blog/2026/09/04/device-and-state-class-selectors/New selectors are available to choose a device class or sensor state class.Fri, 04 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/09/02/modbus-get-hub-deprecation/https://contributors.home-assistant.io/blog/2026/09/02/modbus-get-hub-deprecation/As of Home Assistant Core 2026.10, modbus.get_hub is deprecated. It will be removed in Home Assistant Core 2027.10.Wed, 02 Sep 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/08/31/deprecate-configurator/https://contributors.home-assistant.io/blog/2026/08/31/deprecate-configurator/The Configurator integration has been deprecated and will be removed in Home Assistant 2027.10.Mon, 31 Aug 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/08/24/device-registry-follow-up-changes/https://contributors.home-assistant.io/blog/2026/08/24/device-registry-follow-up-changes/This is a follow-up to Devices are restricted to a single config entry and at most one subentry, and covers additional device registry deprecations, a few new helper methods, and some stricter validation that landed after that post.Mon, 24 Aug 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/08/19/device-registry-websocket-api-changes/https://contributors.home-assistant.io/blog/2026/08/19/device-registry-websocket-api-changes/This post describes changes to the device registry WebSocket API — the commands and device serialization consumed by the frontend, custom cards, and other WebSocket clients.Wed, 19 Aug 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/07/31/frontend-component-updates-2026.8/https://contributors.home-assistant.io/blog/2026/07/31/frontend-component-updates-2026.8/We added ha-split-panel, a Home Assistant wrapper around the Web Awesome split panel component.Fri, 31 Jul 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/07/22/button-standard-event-types/https://contributors.home-assistant.io/blog/2026/07/22/button-standard-event-types/Button event entities now have a set of standard event types, provided by the new ButtonEventType enum.Wed, 22 Jul 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/07/21/device-registry-single-config-entry/https://contributors.home-assistant.io/blog/2026/07/21/device-registry-single-config-entry/A device is now owned by a single config entry, and by a single (or no) config subentry.Tue, 21 Jul 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/07/20/ai-policy/https://contributors.home-assistant.io/blog/2026/07/20/ai-policy/AI-assisted development has become part of daily reality for many contributors, and for us as maintainers too.Mon, 20 Jul 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/07/05/modernizing-modbus/https://contributors.home-assistant.io/blog/2026/07/05/modernizing-modbus/Modbus is everywhere in the modern home: solar inverters, energy meters, heat pumps, and all kinds of industrial equipment that has found its way indoors.Sun, 05 Jul 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/07/03/media-source-search/https://contributors.home-assistant.io/blog/2026/07/03/media-source-search/Media sources can now implement search. By adding an async_search_media method to your MediaSource, users can search through your media directly from the media browser.Fri, 03 Jul 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/06/30/async-initialize-triggers-home-assistant-start-deprecated/https://contributors.home-assistant.io/blog/2026/06/30/async-initialize-triggers-home-assistant-start-deprecated/The dedicated home_assistant_start flag of async_initialize_triggers is deprecated and will be removed in Home Assistant Core 2027.8.Tue, 30 Jun 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/06/30/new-unit-enumerators/https://contributors.home-assistant.io/blog/2026/06/30/new-unit-enumerators/As of Home Assistant Core 2026.7, the following unit constants are deprecated and replaced by a corresponding enum:Tue, 30 Jun 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/06/23/frontend-component-updates-2026.7/https://contributors.home-assistant.io/blog/2026/06/23/frontend-component-updates-2026.7/ha-button, ha-button-toggle-group, and ha-slider now use the short Web Awesome size names.Tue, 23 Jun 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/06/15/device-tracker-changes/https://contributors.home-assistant.io/blog/2026/06/15/device-tracker-changes/There have been multiple recent changes to the device tracker entity model:Mon, 15 Jun 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/27/custom-card-suggestions/https://contributors.home-assistant.io/blog/2026/05/27/custom-card-suggestions/As of Home Assistant 2026.6, custom cards can show up as suggestions in the card picker.Wed, 27 May 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/05/27/frontend-component-updates-2026.6/https://contributors.home-assistant.io/blog/2026/05/27/frontend-component-updates-2026.6/ha-radio was removed from our codebase, we use the webawesome based ha-radio-group with ha-radio-option now.Wed, 27 May 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/05/26/advanced-mode-config-flow-deprecation/https://contributors.home-assistant.io/blog/2026/05/26/advanced-mode-config-flow-deprecation/User profile advanced mode is going away, which means integrations can no longer check if advanced mode is enabled or not in data entry flows.Tue, 26 May 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/20/browse-media-source-root-class/https://contributors.home-assistant.io/blog/2026/05/20/browse-media-source-root-class/The BrowseMediaSource class in the media_source integration has been tightened up.Wed, 20 May 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/13/condition-script-api-changes/https://contributors.home-assistant.io/blog/2026/05/13/condition-script-api-changes/The condition and script APIs have been changed.Wed, 13 May 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/11/format-entity-name-helper/https://contributors.home-assistant.io/blog/2026/05/11/format-entity-name-helper/As of Home Assistant 2026.4, the hass object exposes a formatEntityName helper. It is the same function used by the built-in cards (tile card, entity rows, ...) to compute the display name of an entity from its registry context (entity, device, area, floor).Mon, 11 May 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/05/11/mqtt-publish-api-changes/https://contributors.home-assistant.io/blog/2026/05/11/mqtt-publish-api-changes/In the future, the MQTT publish API will require explicit values for qos and retain.Mon, 11 May 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/11/mqtt-publish-api-message-expiry-interval/https://contributors.home-assistant.io/blog/2026/05/11/mqtt-publish-api-message-expiry-interval/The MQTT publish API now supports setting a message expiry interval. Previously, retained messages were stored by the broker until they were replaced or explicitly cleared.Mon, 11 May 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/07/config-entry-listener-together-with-reloading-methods/https://contributors.home-assistant.io/blog/2026/05/07/config-entry-listener-together-with-reloading-methods/As of Home Assistant Core 2026.6, using a config entry listener together with any reloading methods in a config flow is deprecated and will result in an error from 2026.12.Thu, 07 May 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/05/04/frontend-component-updates-2026.5/https://contributors.home-assistant.io/blog/2026/05/04/frontend-component-updates-2026.5/A new component replaces mwc-progress-bar in our codebase and is fully themeable.Mon, 04 May 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/05/04/frontend-context-groups-decorators/https://contributors.home-assistant.io/blog/2026/05/04/frontend-context-groups-decorators/Last release we introduced the lazy context and we wanted to use hass context and lazy context more in favor of passing the hass object.Mon, 04 May 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/04/27/pyserial-to-serialx/https://contributors.home-assistant.io/blog/2026/04/27/pyserial-to-serialx/Existing integrations and libraries communicating with serial ports should migrate from pyserial, pyserial-asyncio, and pyserial-asyncio-fast to serialx.Mon, 27 Apr 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/04/24/radio-frequency-entity-platform/https://contributors.home-assistant.io/blog/2026/04/24/radio-frequency-entity-platform/Home Assistant now has a radio_frequency entity platform that decouples RF transceiver hardware from the devices it controls.Fri, 24 Apr 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/04/21/registering-custom-dashboard-strategies/https://contributors.home-assistant.io/blog/2026/04/21/registering-custom-dashboard-strategies/As of Home Assistant 2026.5, you can now register custom dashboard strategies, just as you can with custom cards, making them easier to discover and add using the new dashboard dialog under the Community dashboards section.Tue, 21 Apr 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/04/20/legacy-device-tracker-deprecation/https://contributors.home-assistant.io/blog/2026/04/20/legacy-device-tracker-deprecation/The legacy (non-config-entry) device tracker platform API is deprecated and will be removed in the Home Assistant 2027.5 release.Mon, 20 Apr 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/04/15/doorbell-standard-event-type/https://contributors.home-assistant.io/blog/2026/04/15/doorbell-standard-event-type/Doorbell event entities now have a standard ring event type. Integrations that use EventDeviceClass.DOORBELL must include DoorbellEventType.RING in their event_types list.Wed, 15 Apr 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/04/07/entity-id-mismatched-domain-deprecated/https://contributors.home-assistant.io/blog/2026/04/07/entity-id-mismatched-domain-deprecated/Integrations that set entity_id directly on an entity will now be validated to ensure the domain portion matches the platform's domain.Tue, 07 Apr 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/04/02/builder-migration/https://contributors.home-assistant.io/blog/2026/04/02/builder-migration/The legacy home-assistant/builder container and the old home-assistant/builder GitHub Action have been retired.Thu, 02 Apr 2026 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2026/03/30/infrared-entity-platform/https://contributors.home-assistant.io/blog/2026/03/30/infrared-entity-platform/Home Assistant now has an infrared entity platform that decouples IR emitter hardware from the devices they control.Mon, 30 Mar 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/03/25/frontend-component-updates-2026.4/https://contributors.home-assistant.io/blog/2026/03/25/frontend-component-updates-2026.4/We keep migrating our Material Design based components to Web Awesome based. This time we migrated the input components, which leads to an API change but the look and feel stays the same for now.Wed, 25 Mar 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/03/25/frontend-dialogs/https://contributors.home-assistant.io/blog/2026/03/25/frontend-dialogs/Each dialog managed by the dialog manager was only opened once and stayed in the DOM for the lifetime of the application.Wed, 25 Mar 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/03/25/frontend-lazy-context/https://contributors.home-assistant.io/blog/2026/03/25/frontend-lazy-context/In the Home Assistant frontend, a Context is a way to share data across the component tree without explicitly passing it through every level as a property.Wed, 25 Mar 2026 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2026/03/11/backup-upload-progress/https://contributors.home-assistant.io/blog/2026/03/11/backup-upload-progress/The BackupAgent.async_upload_backup method now receives a new on_progress callback parameter.Wed, 11 Mar 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/02/24/brands-proxy-api/https://contributors.home-assistant.io/blog/2026/02/24/brands-proxy-api/Starting with Home Assistant 2026.3, custom integrations can include their own brand images (icons and logos) directly in the integration directory.Tue, 24 Feb 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/02/23/remove-deprecate-light-features/https://contributors.home-assistant.io/blog/2026/02/23/remove-deprecate-light-features/In October 2022, Home Assistant migrated the preferred color temperature unit from mired to kelvin.Mon, 23 Feb 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/02/19/oauth-token-request-error-handling/https://contributors.home-assistant.io/blog/2026/02/19/oauth-token-request-error-handling/Starting as of 2026.3, we're enhancing how the OAuth 2.0 helper handles token request and refresh token failures.Thu, 19 Feb 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/02/18/reconfiguration-support-for-webhook-helper/https://contributors.home-assistant.io/blog/2026/02/18/reconfiguration-support-for-webhook-helper/Integrations that use the webhook config flow helper (homeassistant.helpers.config_entry_flow.register_webhook_flow) now support reconfiguration.Wed, 18 Feb 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/02/16/labs-async-listen-deprecation/https://contributors.home-assistant.io/blog/2026/02/16/labs-async-listen-deprecation/The async_listen helper in the labs integration has been deprecated in favor of async_subscribe_preview_feature.Mon, 16 Feb 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/01/13/replace-pre-commit-with-prek/https://contributors.home-assistant.io/blog/2026/01/13/replace-pre-commit-with-prek/By replacing pre-commit with prek we can increase the performance of our checks.Tue, 13 Jan 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2026/01/05/pyserial-asyncio-fast/https://contributors.home-assistant.io/blog/2026/01/05/pyserial-asyncio-fast/Starting in 2026.7, installation of pyserial-asyncio will be blocked in Home Assistant.Mon, 05 Jan 2026 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/27/service-translation-placeholders/https://contributors.home-assistant.io/blog/2025/11/27/service-translation-placeholders/It is now possible to use translation placeholders for (custom) service actions.Thu, 27 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/25/storage-helper-opt-in-serialize-in-executor/https://contributors.home-assistant.io/blog/2025/11/25/storage-helper-opt-in-serialize-in-executor/The Store class from homeassistant/helpers/storage.py accepts a new constructor argument serialize_in_event_loopTue, 25 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/23/mqtt-subscribe-wait/https://contributors.home-assistant.io/blog/2025/11/23/mqtt-subscribe-wait/Integrations that use MQTT might need to wait for a subscription to complete before they initiate actions.Sun, 23 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/21/identify-buttons-diagnostic-category/https://contributors.home-assistant.io/blog/2025/11/21/identify-buttons-diagnostic-category/Button entities representing a device identification mechanism (using IDENTIFY device class) are now required to have their entity category set to DIAGNOSTIC.Fri, 21 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/20/labs-preview-features/https://contributors.home-assistant.io/blog/2025/11/20/labs-preview-features/We're excited to announce a new system for shipping preview features in Home Assistant:Thu, 20 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/17/retry-after-update-failed/https://contributors.home-assistant.io/blog/2025/11/17/retry-after-update-failed/Integrations using the Data Update Coordinator can enhance the UpdateFailed exception with a new parameter retry_after to defer the next scheduled refresh by a specified number of seconds and then resume the normal cadence once the API has recovered.Mon, 17 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/10/calculated-state-capability-attributes-removed/https://contributors.home-assistant.io/blog/2025/11/10/calculated-state-capability-attributes-removed/The capability_attributes field has been removed from CalculatedState. Capability attributes are still included in all attributes, which remain available in CalculatedState.Mon, 10 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/05/config-entry-oauth2-error-handling/https://contributors.home-assistant.io/blog/2025/11/05/config-entry-oauth2-error-handling/Integrations using Application Credentials and Configuration via OAuth2 need to update their error handling to correctly handle configuration when the internet is down.Wed, 05 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/11/04/convert-interval-deprecation/https://contributors.home-assistant.io/blog/2025/11/04/convert-interval-deprecation/The method convert_interval in TemperatureConverter (allowing conversions between °F and °C intervals) has been deprecated in favor of TemperatureDeltaConverter.convert.Tue, 04 Nov 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/10/24/service-web-api-changes/https://contributors.home-assistant.io/blog/2025/10/24/service-web-api-changes/Action translations defined in strings.json are no longer included in responses from the WebSocket get_services command and the REST /api/services endpoint because they were incomplete and the Home Assistant frontend did not use them.Fri, 24 Oct 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/10/16/recorder-statistics-api-changes/https://contributors.home-assistant.io/blog/2025/10/16/recorder-statistics-api-changes/The Python and WS APIs for injecting and modifying statistics have changed.Thu, 16 Oct 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/10/14/device-filter-removed-from-target-selector/https://contributors.home-assistant.io/blog/2025/10/14/device-filter-removed-from-target-selector/The device filter option is no longer supported by the target selector and has been removed from the target selector documentation.Tue, 14 Oct 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/10/05/coordinator-retrigger/https://contributors.home-assistant.io/blog/2025/10/05/coordinator-retrigger/The update coordinator with debouncer active will now accept a request for an update while an update is currently in progress.Sun, 05 Oct 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/09/25/entity-services-api-changes/https://contributors.home-assistant.io/blog/2025/09/25/entity-services-api-changes/Platform entity services should be registered by calling the helper service.async_register_platform_entity_service from the integration's async_setup instead of calling platform.async_register_entity_service during platform set up.Thu, 25 Sep 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/09/22/deprecate-hass-argument-service-helpers/https://contributors.home-assistant.io/blog/2025/09/22/deprecate-hass-argument-service-helpers/Providing hass argument to the following service helpers is deprecated: verify_domain_control, extract_entity_ids, async_extract_entities, async_extract_entity_ids, and async_extract_config_entry_ids.Mon, 22 Sep 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/08/20/micro-sign-encoding/https://contributors.home-assistant.io/blog/2025/08/20/micro-sign-encoding/The unit prefix μ is used by unit of measurement constants like μV and μS. There are however two different Unicode encodings of μ:Wed, 20 Aug 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/08/01/suggested-area-removed-from-deviceentry/https://contributors.home-assistant.io/blog/2025/08/01/suggested-area-removed-from-deviceentry/The DeviceEntry.suggested_area attribute is deprecated and will be removed in HA Core 2026.9.Fri, 01 Aug 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/07/31/result-removed-from-flowresult/https://contributors.home-assistant.io/blog/2025/07/31/result-removed-from-flowresult/The result attribute has been removed from the homeassistant.data_entry_flow.FlowResult typed dict, and is now present only when needed, i.e. homeassistant.auth.models.AuthFlowResult and homeassistant.config_entries.ConfigFlowResult.Thu, 31 Jul 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/07/18/updated-pattern-for-helpers-linking-to-devices/https://contributors.home-assistant.io/blog/2025/07/18/updated-pattern-for-helpers-linking-to-devices/Helper integrations should not add their own config entries to the source entity's device or to a user selected device.Fri, 18 Jul 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/07/16/media-player-standby-state-deprecated/https://contributors.home-assistant.io/blog/2025/07/16/media-player-standby-state-deprecated/The media player state MediaPlayerState.STANDBY has been deprecated as decided in home-assistant/architecture#799 and will be removed in Home Assistant Core 2026.8.Wed, 16 Jul 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/07/14/home-assistant-os-16-open-file-limit/https://contributors.home-assistant.io/blog/2025/07/14/home-assistant-os-16-open-file-limit/With the release of Home Assistant OS 16, the default limit for open file descriptors in Docker containers (and, by extension, all add-ons and the processes within them) has changed.Mon, 14 Jul 2025 00:00:00 GMTappsoshttps://contributors.home-assistant.io/blog/2025/07/02/vacuum-battery-properties-deprecated/https://contributors.home-assistant.io/blog/2025/07/02/vacuum-battery-properties-deprecated/As of Home Assistant Core 2025.8, the two properties for battery in StateVacuumEntity, battery_level and battery_icon, have been deprecated.Wed, 02 Jul 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/05/26/sensor-default-display-precision/https://contributors.home-assistant.io/blog/2025/05/26/sensor-default-display-precision/If a numeric sensor doesn't have a suggested display precision set by its integration, Home Assistant will now use a default display precision based on the sensor's device class.Mon, 26 May 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/05/22/range-based-icons/https://contributors.home-assistant.io/blog/2025/05/22/range-based-icons/Icon translations now support defining icons based on numeric ranges. This means integration authors can define icons that change based on numeric values without implementing custom logic in their code.Thu, 22 May 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/04/24/device-tracker-accuracy/https://contributors.home-assistant.io/blog/2025/04/24/device-tracker-accuracy/The type of location_accuracy attribute (short hand _attr_location_accuracy) of the TrackerEntity class of the device_tracker entity component has been changed from int to float.Thu, 24 Apr 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/04/17/search-media-play/https://contributors.home-assistant.io/blog/2025/04/17/search-media-play/Media players can now allow users to search through the media, by adding MediaEntityFeature.SEARCH_MEDIA and implementing async_search_media.Thu, 17 Apr 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/03/25/frozen-unit-system/https://contributors.home-assistant.io/blog/2025/03/25/frozen-unit-system/UnitSystem class is changed to a frozen data class, and all instances derived from it are now frozen.Tue, 25 Mar 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/03/24/config-subentry-flow-changes/https://contributors.home-assistant.io/blog/2025/03/24/config-subentry-flow-changes/ConfigSubentryFlow._reconfigure_entry_id has been renamed to ConfigSubentryFlow._entry_id and ConfigSubentryFlow._get_reconfigure_entry has been renamed to ConfigSubentryFlow._get_entry.Mon, 24 Mar 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/03/14/media-player-toggle-adjusted/https://contributors.home-assistant.io/blog/2025/03/14/media-player-toggle-adjusted/The implementation of the toggle action service has been adjusted in the media player base class.Fri, 14 Mar 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/03/04/backup-agent-api-changes/https://contributors.home-assistant.io/blog/2025/03/04/backup-agent-api-changes/The BackupAgent API has been adjusted such that the following methods should now raise BackupNotFound when a backup is not found:Tue, 04 Mar 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/03/01/config-flow-unique-id/https://contributors.home-assistant.io/blog/2025/03/01/config-flow-unique-id/Creating a config entry with a unique ID already present in the registry is deprecated, and will now log a warning.Sat, 01 Mar 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/02/19/new-config-entry-states/https://contributors.home-assistant.io/blog/2025/02/19/new-config-entry-states/Config entry state transitions when unloading and removing entries has been modified:Wed, 19 Feb 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/02/17/backup-agents/https://contributors.home-assistant.io/blog/2025/02/17/backup-agents/In the January release of 2025, we introduced a new feature for backups called backup agents.Mon, 17 Feb 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/02/16/config-subentries/https://contributors.home-assistant.io/blog/2025/02/16/config-subentries/Config entries now have a new data type called “config subentry”. Config subentries are owned by a config entry and set up as part of async_setup_entry.Sun, 16 Feb 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/01/31/energy-distance-units/https://contributors.home-assistant.io/blog/2025/01/31/energy-distance-units/A new ENERGY_DISTANCE device class for representing energy per distance is now available for number and sensor entities, together with automatic unit conversion based on the unit system.Fri, 31 Jan 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2025/01/15/service-info/https://contributors.home-assistant.io/blog/2025/01/15/service-info/To reduce current reliance on optional integrations for names that are in essence used as helpers, the following ServiceInfo models have been relocated:Wed, 15 Jan 2025 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/12/26/area-squared-units/https://contributors.home-assistant.io/blog/2024/12/26/area-squared-units/More details can be found in the Number documentation and Sensor documentationThu, 26 Dec 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/12/21/moving-to-pydantic-v2/https://contributors.home-assistant.io/blog/2024/12/21/moving-to-pydantic-v2/Pydantic is a widely used library in Python for data validation. On June 30, 2023, Pydantic v2 was released, introducing significant changes that are not backward compatible with Pydantic v1.Sat, 21 Dec 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/12/14/kelvin-preferred-color-temperature-unit/https://contributors.home-assistant.io/blog/2024/12/14/kelvin-preferred-color-temperature-unit/In October 2022, Home Assistant migrated the preferred color temperature unit from mired to kelvin.Sat, 14 Dec 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/12/13/water-heater-entity-description/https://contributors.home-assistant.io/blog/2024/12/13/water-heater-entity-description/A naming error of the entity description was found in the Water Heater integration, and we have now renamed WaterHeaterEntityEntityDescription to WaterHeaterEntityDescription in the 2025.1 release.Fri, 13 Dec 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/12/08/new-vacuum-state-property/https://contributors.home-assistant.io/blog/2024/12/08/new-vacuum-state-property/As of Home Assistant Core 2025.1, the constants used to return state in StateVacuumEntity are deprecated and replaced by the VacuumActivity enum.Sun, 08 Dec 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/12/03/climate-horizontal-swing/https://contributors.home-assistant.io/blog/2024/12/03/climate-horizontal-swing/As of Home Assistant Core 2024.12, we have implemented an independent property and method for controlling horizontal swing in ClimateEntity.Tue, 03 Dec 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/11/28/dt-util-utc-to-timestamp-deprecation/https://contributors.home-assistant.io/blog/2024/11/28/dt-util-utc-to-timestamp-deprecation/The utility function homeassistant.util.dt.utc_to_timestamp is deprecated and will be removed in Home Assistant Core 2026.1, custom integrations which call it should instead call the stdlib method datetime.datetime.timestamp()Thu, 28 Nov 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/11/26/camera-deprecations/https://contributors.home-assistant.io/blog/2024/11/26/camera-deprecations/With Home Assistant 2024.11 we added WebRTC for most cameras. To add support for it we needed to refactor and improve the camera entity.Tue, 26 Nov 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/11/21/unit-of-measurement-translations/https://contributors.home-assistant.io/blog/2024/11/21/unit-of-measurement-translations/Home Assistant 2024.12 will support the translation of custom units of measurement.Thu, 21 Nov 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/11/20/integration-quality-scale/https://contributors.home-assistant.io/blog/2024/11/20/integration-quality-scale/Since the original quality scale was introduced in 2020, Home Assistant changed quite a lot.Wed, 20 Nov 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/11/12/options-flow/https://contributors.home-assistant.io/blog/2024/11/12/options-flow/New code: `python @staticmethod @callback def async_get_options_flow( config_entry:Tue, 12 Nov 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/11/06/custom-card-sections-support/https://contributors.home-assistant.io/blog/2024/11/06/custom-card-sections-support/With Home Assistant 2024.11, "sections" view is now the default view when building a dashboard.Wed, 06 Nov 2024 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2024/11/04/reauth-reconfigure-entry-id/https://contributors.home-assistant.io/blog/2024/11/04/reauth-reconfigure-entry-id/Starting a reauth or a reconfigure flow without a link to the config entry has been deprecated, and will start failing in 2025.12.Mon, 04 Nov 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/31/core-config-moved/https://contributors.home-assistant.io/blog/2024/10/31/core-config-moved/The definition of the core config class, an instance of which is available as hass.config has been moved from homeassistant/core.py to homeassistant/core_config.py.Thu, 31 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/31/update-entity-changes/https://contributors.home-assistant.io/blog/2024/10/31/update-entity-changes/The update entity has been adjusted:Thu, 31 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/22/new-alarm-state-property/https://contributors.home-assistant.io/blog/2024/10/22/new-alarm-state-property/As of Home Assistant Core 2024.11, we have introduced the alarm_state property in the AlarmControlPanelEntity.Tue, 22 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/21/reauth-reconfigure-helpers/https://contributors.home-assistant.io/blog/2024/10/21/reauth-reconfigure-helpers/New helper methods have been added to the ConfigFlow to facilitate management of reauth and reconfigure flows:Mon, 21 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/09/extend-deprecation-hass-helpers/https://contributors.home-assistant.io/blog/2024/10/09/extend-deprecation-hass-helpers/On March 30, 2024, we announced the deprecation of the hass.helpers attribute for the Home Assistant 2024.11 release.Wed, 09 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/08/state-constants-cover-deprecation/https://contributors.home-assistant.io/blog/2024/10/08/state-constants-cover-deprecation/As of Home Assistant Core 2024.11, the constants used to return state in CoverEntity are deprecated and replaced by the CoverState enum.Tue, 08 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/08/unit-of-conductivity-changes/https://contributors.home-assistant.io/blog/2024/10/08/unit-of-conductivity-changes/The UnitOfConductivity enum has been changed from:Tue, 08 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/10/01/assist-satellite-entity/https://contributors.home-assistant.io/blog/2024/10/01/assist-satellite-entity/Users typically interact with Assist using remote voice satellites, such as the ESP32-S3-BOX-3 running ESPHome, analog phones running VoIP, and more.Tue, 01 Oct 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/28/update-version-compare/https://contributors.home-assistant.io/blog/2024/09/28/update-version-compare/With the merge of core PR #124797, which will land in Home Assistant Core 2024.10, there is a new method in the update platform: version_is_newer().Sat, 28 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/24/climate-set-temp-validation/https://contributors.home-assistant.io/blog/2024/09/24/climate-set-temp-validation/As of Home Assistant Core 2024.10, we have added further validation of the parameters passed to the set_temperature method.Tue, 24 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/24/device-tracker-entity-description/https://contributors.home-assistant.io/blog/2024/09/24/device-tracker-entity-description/The source_type property of device_tracker entities is now always expected to be a SourceType enum value.Tue, 24 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/23/constants-media-player-deprecation/https://contributors.home-assistant.io/blog/2024/09/23/constants-media-player-deprecation/As of Home Assistant Core 2022.5, the feature flag constants used in MediaPlayerEntity were deprecated and replaced by the MediaPlayerEntityFeature enum.Mon, 23 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/23/feature-flag-constants-vacuum-deprecation/https://contributors.home-assistant.io/blog/2024/09/23/feature-flag-constants-vacuum-deprecation/As of Home Assistant Core 2022.5, the feature flag constants used in StateVacuumEntity were deprecated and replaced by the VacuumEntityFeature enum.Mon, 23 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/23/state-constants-camera-deprecation/https://contributors.home-assistant.io/blog/2024/09/23/state-constants-camera-deprecation/As of Home Assistant Core 2024.10, the constants used to return state in Camera are deprecated and replaced by the CameraState enum.Mon, 23 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/23/state-constants-lock-deprecation/https://contributors.home-assistant.io/blog/2024/09/23/state-constants-lock-deprecation/As of Home Assistant Core 2024.10, the constants used to return state in LockEntity are deprecated and replaced by the LockState enum.Mon, 23 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/11/extending-deprecation-hass-components/https://contributors.home-assistant.io/blog/2024/09/11/extending-deprecation-hass-components/On February 27, 2024, we announced the deprecation of the @bind_hass decorator and the hass.components attribute for the Home Assistant 2024.9 release.Wed, 11 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/10/calories-units/https://contributors.home-assistant.io/blog/2024/09/10/calories-units/Starting from Home Assistant 2024.10 calories have been added to the units of measurement in the energy sensor class.Tue, 10 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/09/02/template-hass-required/https://contributors.home-assistant.io/blog/2024/09/02/template-hass-required/With the merge of core PR #89242, which landed in Home Assistant Core 2023.4, Template.hass will be set on Template objects created during schema validation.Mon, 02 Sep 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/08/27/changed-icon-translations-schema/https://contributors.home-assistant.io/blog/2024/08/27/changed-icon-translations-schema/The icon translations schema has been adjusted to allow assigning icons for sections in services.Tue, 27 Aug 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/08/27/entity-service-schema-validation/https://contributors.home-assistant.io/blog/2024/08/27/entity-service-schema-validation/Registering entity service actions allows integration authors to pass in:Tue, 27 Aug 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/08/23/lawn-mower-activity-returning/https://contributors.home-assistant.io/blog/2024/08/23/lawn-mower-activity-returning/As of Home Assistant Core 2024.9, integrations implementing LawnMowerEntity can indicate that their mower is returning to the dock by using the new LawnMowerActivity.RETURNING state.Fri, 23 Aug 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/08/05/coordinator_async_setup/https://contributors.home-assistant.io/blog/2024/08/05/coordinator_async_setup/In Home Assistant 2024.8, we are introducing the _async_setup method for the data update coordinator.Mon, 05 Aug 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/07/24/climate-min-max-temperature-check/https://contributors.home-assistant.io/blog/2024/07/24/climate-min-max-temperature-check/As of Home Assistant Core 2024.8, we have implemented validation for the temperature action call provided by the ClimateEntity.Wed, 24 Jul 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/07/19/fan-fanentityfeatures-turn-on_off/https://contributors.home-assistant.io/blog/2024/07/19/fan-fanentityfeatures-turn-on_off/As of Home Assistant Core 2024.8, we have added two new flags to FanEntityFeature:Fri, 19 Jul 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/07/16/device-info-model-id/https://contributors.home-assistant.io/blog/2024/07/16/device-info-model-id/Starting from 2024.8, you can now add a model identifier to the DeviceInfo class.Tue, 16 Jul 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/07/16/service-actions/https://contributors.home-assistant.io/blog/2024/07/16/service-actions/The term "Services" has been a source of confusion for many users, as it is not immediately clear what it refers to; it could be a web or STT service, but in the context of Home Assistant, it means something entirely different (service calls).Tue, 16 Jul 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/07/07/climate-hvacaction-defrosting/https://contributors.home-assistant.io/blog/2024/07/07/climate-hvacaction-defrosting/The ClimateEntity has an hvac_action property, which describes what the climate entity is currently doing (which is not the same as its mode).Sun, 07 Jul 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/06/22/excluding-state-attributes-from-recording-match-all/https://contributors.home-assistant.io/blog/2024/06/22/excluding-state-attributes-from-recording-match-all/The way how state attributes are excluded from the recording was previously changed in September 2023.Sat, 22 Jun 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/06/18/async_register_static_paths/https://contributors.home-assistant.io/blog/2024/06/18/async_register_static_paths/hass.http.register_static_path is deprecated because it does blocking I/O in the event loop, instead call await hass.http.async_register_static_paths([StaticPathConfig(url_path, path, cache_headers)])Tue, 18 Jun 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/06/12/async_forward_entry_setups/https://contributors.home-assistant.io/blog/2024/06/12/async_forward_entry_setups/Calling hass.config_entries.async_forward_entry_setup is deprecated and will be removed in Home Assistant 2025.6.Wed, 12 Jun 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/22/alarm_control_panel_validation/https://contributors.home-assistant.io/blog/2024/05/22/alarm_control_panel_validation/The AlarmControlPanelEntity is now enforcing validation of code for alarm control panel entities, which set code_arm_required to True (default behavior).Wed, 22 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/20/llm-api/https://contributors.home-assistant.io/blog/2024/05/20/llm-api/Since we introduced LLMs in Home Assistant as part of Year of the Voice, we have received the request to allow enabling LLMs to interact with Home Assistant.Mon, 20 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/19/fix_zoneinfo_blocking_io/https://contributors.home-assistant.io/blog/2024/05/19/fix_zoneinfo_blocking_io/Constructing ZoneInfo objects may do blocking I/O to load the zone info from disk if the timezone passed is not in the cache.Sun, 19 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/10/group-integration/https://contributors.home-assistant.io/blog/2024/05/10/group-integration/By default, the group integration allows entities to be grouped. If the default ON/OFF states for an entity default to on and off, then grouping is supported by default.Fri, 10 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/10/lock-supports-open-state/https://contributors.home-assistant.io/blog/2024/05/10/lock-supports-open-state/Recently we have added an open and opening state to LockEntityFri, 10 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/09/improving-ci-test-execution/https://contributors.home-assistant.io/blog/2024/05/09/improving-ci-test-execution/We got a taste for speed after UV gave us back 215 compute hours a month. Our CI workflow gets triggered on each commit, and due to the high volume of contributions, it was triggered 6647 times in March 2024.Thu, 09 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/03/notify-title/https://contributors.home-assistant.io/blog/2024/05/03/notify-title/Recently we added the notify entity platform. The new notify platform method implements service send_message.Fri, 03 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/05/01/improved-hass-data-typing/https://contributors.home-assistant.io/blog/2024/05/01/improved-hass-data-typing/In the past, one of the challenges with hass.data was to correctly assign type information.Wed, 01 May 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/30/store-runtime-data-inside-config-entry/https://contributors.home-assistant.io/blog/2024/04/30/store-runtime-data-inside-config-entry/Integrations often need to set up and track custom data, such as coordinators, API connections, or code objects.Tue, 30 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/25/always-reload-after-successful-reauth-flow/https://contributors.home-assistant.io/blog/2024/04/25/always-reload-after-successful-reauth-flow/To update and reload the entry after a successful reauthentication flow, the helper async_update_reload_and_abort can be used.Thu, 25 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/13/deprecate_async_track_state_change/https://contributors.home-assistant.io/blog/2024/04/13/deprecate_async_track_state_change/async_track_state_change is deprecated and will be removed in Home Assistant 2025.5. async_track_state_change_event should be used instead.Sat, 13 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/10/new-notify-entity-platform/https://contributors.home-assistant.io/blog/2024/04/10/new-notify-entity-platform/The notify platform is now available as an entity platform. The MVP for the new notify platform implements the method and service send_message.Wed, 10 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/08/deprecated-backports-and-typing-aliases/https://contributors.home-assistant.io/blog/2024/04/08/deprecated-backports-and-typing-aliases/In the past, we've backported features from upstream CPython to use them early and improve user and developers' experience.Mon, 08 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/07/deprecate_add_hass_job/https://contributors.home-assistant.io/blog/2024/04/07/deprecate_add_hass_job/As part of an effort to improve performance and simplify the core job API, async_add_hass_job is deprecated and will be removed from Home Assistant in 2025.5.Sun, 07 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/04/03/build-images-with-uv/https://contributors.home-assistant.io/blog/2024/04/03/build-images-with-uv/By replacing pip with uv in our production images, our build pipeline (and therefore releasing a new version) is a lot faster.Wed, 03 Apr 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/30/deprecate-hass-helpers/https://contributors.home-assistant.io/blog/2024/03/30/deprecate-hass-helpers/As of Home Assistant 2024.5, we deprecate the use of hass.helpers. Using hass.helpers will issue a warning in the logs.Sat, 30 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/21/config-entry-reconfigure-step/https://contributors.home-assistant.io/blog/2024/03/21/config-entry-reconfigure-step/As of Home Assistant Core 2024.4, config entries can now be reconfigured by adding a reconfigure step in their config flows.Thu, 21 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/20/state_reported_timestamp/https://contributors.home-assistant.io/blog/2024/03/20/state_reported_timestamp/The State object is now always updated and an event is always fired when an integration sets the state of an entity, regardless of any change to the state or a state attribute.Wed, 20 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/15/exception-translations/https://contributors.home-assistant.io/blog/2024/03/15/exception-translations/Translation support applies to HomeAssistantError and subclasses like ServiceValidationError.Fri, 15 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/13/deprecate_add_run_job/https://contributors.home-assistant.io/blog/2024/03/13/deprecate_add_run_job/async_run_job and async_add_job are deprecated and will be removed in Home Assistant 2025.4.Wed, 13 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/10/climate-aux-heater-deprecated/https://contributors.home-assistant.io/blog/2024/03/10/climate-aux-heater-deprecated/As of Home Assistant Core 2024.4 we have deprecated the auxiliary heater functionality in ClimateEntity.Sun, 10 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/09/import_executor_default/https://contributors.home-assistant.io/blog/2024/03/09/import_executor_default/Starting from Home Assistant 2024.4, all integrations are imported in the executor to avoid blocking the event loop while the code is imported and executed.Sat, 09 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/03/05/platform_entity_translations_deprecation/https://contributors.home-assistant.io/blog/2024/03/05/platform_entity_translations_deprecation/The method for integrations to provide translations for states of its entities under other integrations, for example to translate an integration's sensors was changed in November 2022, and support for the old method will be removed in Home Assistant Core 2024.5.0.Tue, 05 Mar 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/02/28/device-name-translations/https://contributors.home-assistant.io/blog/2024/02/28/device-name-translations/It's now possible to provide translations for device names, including support for static values to be used as placeholders.Wed, 28 Feb 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/02/27/deprecate-bind-hass-and-hass-components/https://contributors.home-assistant.io/blog/2024/02/27/deprecate-bind-hass-and-hass-components/As of Home Assistant 2024.3, we deprecate the use of the @bind_hass decorator and thus also the use of hass.components.Tue, 27 Feb 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/02/26/single-instance-only-manifest-option/https://contributors.home-assistant.io/blog/2024/02/26/single-instance-only-manifest-option/In Home Assistant 2024.3, we introduced a new single_config_entry option for the integration manifest file.Mon, 26 Feb 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/02/25/Climate-toggle-service/https://contributors.home-assistant.io/blog/2024/02/25/Climate-toggle-service/As of Home Assistant Core 2024.3 we have added a new toggle method to ClimateEntity and users can now call climate.toggle in their service calls.Sun, 25 Feb 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/02/12/async_update_entry/https://contributors.home-assistant.io/blog/2024/02/12/async_update_entry/Starting from Home Assistant 2024.3, modifications to a ConfigEntry should use hass.config_entries.async_update_entry.Mon, 12 Feb 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/02/12/light-color-mode-mandatory/https://contributors.home-assistant.io/blog/2024/02/12/light-color-mode-mandatory/Light entities are now required to set the supported_color_modes and color_mode properties, and a warning will be logged asking users to report an issue if that's not done.Mon, 12 Feb 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/30/ha-state-icon-properties-changes/https://contributors.home-assistant.io/blog/2024/01/30/ha-state-icon-properties-changes/In Home Assistant 2024.2, integrations have a new way to provide icons. To support this new feature, ha-state-icon component properties have changed.Tue, 30 Jan 2024 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2024/01/24/climate-climateentityfeatures-expanded/https://contributors.home-assistant.io/blog/2024/01/24/climate-climateentityfeatures-expanded/As of Home Assistant Core 2024.2 we have added two new flags into ClimateEntityFeature:Wed, 24 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/23/light-color-mode-changes/https://contributors.home-assistant.io/blog/2024/01/23/light-color-mode-changes/The primary reason for introducing light color modes was that a light's state should not be ambiguous.Tue, 23 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/22/async_services_for_domain/https://contributors.home-assistant.io/blog/2024/01/22/async_services_for_domain/In Home Assistant 2024.2, we will introduce hass.services.async_services_for_domain(), which is a new way to enumerate services by domain, allowing integrations to inspect which services are available without having to obtain all the services on the system.Mon, 22 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/19/entity-translations-placeholders/https://contributors.home-assistant.io/blog/2024/01/19/entity-translations-placeholders/It's now possible to provide static values to be used in an entity translation using placeholders.Fri, 19 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/19/icon-translations/https://contributors.home-assistant.io/blog/2024/01/19/icon-translations/In Home Assistant 2024.2, we will introduce a new way to provide icons for integrations:Fri, 19 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/17/deprecate-invalid-sensor-uom-state-class-use/https://contributors.home-assistant.io/blog/2024/01/17/deprecate-invalid-sensor-uom-state-class-use/Since Home Assistant Core 2022.12, a warning is issued in the logs if a sensor entity that has a device class uses unit of measurement and state class incorrectly, taking their device class into account.Wed, 17 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2024/01/11/async-show-progress-changes/https://contributors.home-assistant.io/blog/2024/01/11/async-show-progress-changes/FlowHandler.async_show_progress has been updated:Thu, 11 Jan 2024 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/12/28/support-feature-magic-numbers-deprecation/https://contributors.home-assistant.io/blog/2023/12/28/support-feature-magic-numbers-deprecation/As of Home Assistant Core 2024.1, all usage of magic numbers for supported features is deprecated, and each entity platform has provided an EntityFeature enum to replace them.Thu, 28 Dec 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/12/19/constant-deprecation/https://contributors.home-assistant.io/blog/2023/12/19/constant-deprecation/In recent years many constants have been replaced by Enums or other values by adding a code comment pointing to the successor.Tue, 19 Dec 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/12/18/config-entry-minor-version/https://contributors.home-assistant.io/blog/2023/12/18/config-entry-minor-version/Config entry now supports minor versions.Mon, 18 Dec 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/12/11/entity-description-changes/https://contributors.home-assistant.io/blog/2023/12/11/entity-description-changes/The EntityDescription classes have changed; derived dataclasses should now set frozen=True and kw_only=True.Mon, 11 Dec 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/12/05/scaling-utils/https://contributors.home-assistant.io/blog/2023/12/05/scaling-utils/Multiple integrations have implemented there own scaling algorithm to scale brightness.Tue, 05 Dec 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/11/30/service-exceptions-and-translations/https://contributors.home-assistant.io/blog/2023/11/30/service-exceptions-and-translations/Service calls which raise exceptions have until now logged stack traces. Service calls that fail due to incorrect usage, for example invalid input, don't need a stack trace and would benefit from a helpful error message in the user's own language.Thu, 30 Nov 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/11/27/config-validation-and-error-handling/https://contributors.home-assistant.io/blog/2023/11/27/config-validation-and-error-handling/The way component YAML configuration is processed has been changed. Now, it is possible to raise if an error occurs.Mon, 27 Nov 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/11/06/public-addon-config/https://contributors.home-assistant.io/blog/2023/11/06/public-addon-config/Add-ons can now have a public folder for config or data files, which users can see and modify, but it is still backed up with the add-on.Mon, 06 Nov 2023 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2023/10/12/country_selector/https://contributors.home-assistant.io/blog/2023/10/12/country_selector/Selectors has been expanded and now also includes a CountrySelector.Thu, 12 Oct 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/10/03/conversion-functions-cleanup/https://contributors.home-assistant.io/blog/2023/10/03/conversion-functions-cleanup/The following utilities were deprecated in Home Assistant 2022.10) and have now been removed as of 2023.11:Tue, 03 Oct 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/10/01/hacktoberfest-2023/https://contributors.home-assistant.io/blog/2023/10/01/hacktoberfest-2023/📢 Exciting news for Hacktoberfest 2023 participants! We are participating! 🎉Sun, 01 Oct 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/09/20/excluding-state-attributes-from-recording/https://contributors.home-assistant.io/blog/2023/09/20/excluding-state-attributes-from-recording/The way in which state attributes are excluded from recording has changedWed, 20 Sep 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/09/12/ws-entity-source-simplified/https://contributors.home-assistant.io/blog/2023/09/12/ws-entity-source-simplified/The websocket command entity/source has been greatly simplified:Tue, 12 Sep 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/08/29/hass-format-state/https://contributors.home-assistant.io/blog/2023/08/29/hass-format-state/In the Home Assistant Core 2023.9 release, we introduced 3 new methods to the hass object to allow entity state formatting with localization support for custom cards:Tue, 29 Aug 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/08/29/homeassistant-changed-signature/https://contributors.home-assistant.io/blog/2023/08/29/homeassistant-changed-signature/The signature of HomeAssistant.init has been changed from no arguments to require the configuration directory as a string to be passed to it.Tue, 29 Aug 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/08/23/sensor-updates/https://contributors.home-assistant.io/blog/2023/08/23/sensor-updates/Numerical sensors are no longer allowed to set their state to Not a Number or to positive or negative infinity.Wed, 23 Aug 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/08/07/weather_entity_forecast_types/https://contributors.home-assistant.io/blog/2023/08/07/weather_entity_forecast_types/WeatherEntity now allows a single weather entity to support different forecast types meaning it's no longer necessary to create multiple entities for the same location, as an example, an entity providing daily forecast and another entity providing hourly forecast.Mon, 07 Aug 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/07/27/avoiding-unnecessary-callbacks-with-dataupdatecoordinator/https://contributors.home-assistant.io/blog/2023/07/27/avoiding-unnecessary-callbacks-with-dataupdatecoordinator/The DataUpdateCoordinator can now reduce unnecessary updates when API data can be compared.Thu, 27 Jul 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/07/21/change-naming-mqtt-entities/https://contributors.home-assistant.io/blog/2023/07/21/change-naming-mqtt-entities/The way MQTT entities are named and how device configuration can be shared between discovered entities has changedFri, 21 Jul 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/07/11/translating-services/https://contributors.home-assistant.io/blog/2023/07/11/translating-services/We now support translating services in Home Assistant. Previously, the names & descriptions of services and their service fields have been hardcoded into the services.yaml files of each integration.Tue, 11 Jul 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/07/10/vacuum-updates/https://contributors.home-assistant.io/blog/2023/07/10/vacuum-updates/The Vacuum entity has seen some recent changes:Mon, 10 Jul 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/07/07/action-event-custom-cards/https://contributors.home-assistant.io/blog/2023/07/07/action-event-custom-cards/In the Home Assistant Core 2023.7 release, we introduced hass-action for custom cards.Fri, 07 Jul 2023 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2023/06/28/entity-name-changes/https://contributors.home-assistant.io/blog/2023/06/28/entity-name-changes/There have been a couple of changes to entity naming:Wed, 28 Jun 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/06/28/service-description-filters/https://contributors.home-assistant.io/blog/2023/06/28/service-description-filters/Service call descriptions have been changed to support filtering. It's possible to add a filter to a service call to not show entities which do not support the service call, it's also possible to add a filter to a service call field to not show fields which are not supported by a selected entity to the user.Wed, 28 Jun 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/06/14/service-calls/https://contributors.home-assistant.io/blog/2023/06/14/service-calls/This change affects Service Call APIs: hass.services.async_call and hass.services.call.Wed, 14 Jun 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/05/21/retained-mqtt-messages-filtered/https://contributors.home-assistant.io/blog/2023/05/21/retained-mqtt-messages-filtered/The way Home Assistant's MQTT integration processes MQTT messages and how subscribes and unsubscribes are performed has changed.Sun, 21 May 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/05/07/job-home-assistant-core/https://contributors.home-assistant.io/blog/2023/05/07/job-home-assistant-core/Nabu Casa is seeking a passionate and experienced Python developer to join the Home Assistant core team as a full-time Software Engineer.Sun, 07 May 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/04/30/statistics_impossible_values/https://contributors.home-assistant.io/blog/2023/04/30/statistics_impossible_values/This change affects WebSocket APIs: recorder/statistic_during_period and recorder/statistics_during_period.Sun, 30 Apr 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/04/13/new_limits_for_add_ons/https://contributors.home-assistant.io/blog/2023/04/13/new_limits_for_add_ons/With Home Assistant OS 10, we update to the latest Docker release 23.0. With the new Docker version the maximum number of open file descriptors for add-ons changed to infinity (sort of).Thu, 13 Apr 2023 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2023/04/04/deprecating_polymer/https://contributors.home-assistant.io/blog/2023/04/04/deprecating_polymer/The Home Assistant frontend used to use the Polymer Library for her web components.Tue, 04 Apr 2023 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2023/03/28/calendar_best_practices/https://contributors.home-assistant.io/blog/2023/03/28/calendar_best_practices/Home Assistant has improved best practices for Calendar entities to ensure that calendar triggers/automations and the UI work correctly in all cases.Tue, 28 Mar 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/03/27/entity_name_translations/https://contributors.home-assistant.io/blog/2023/03/27/entity_name_translations/It's now possible to translate the name of entities, and this is preferred over hard coding a name in natural language in the Python implementation.Mon, 27 Mar 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/28/custom-tile-features/https://contributors.home-assistant.io/blog/2023/02/28/custom-tile-features/In the Home Assistant Core 2022.3 release, we add custom features for the tile card.Tue, 28 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/21/deprecated-callback-removed/https://contributors.home-assistant.io/blog/2023/02/21/deprecated-callback-removed/Home Assistant's MQTT integration no longer supports deprecated callback signatures for MQTT subscribe.Tue, 21 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/20/snapshot-testing/https://contributors.home-assistant.io/blog/2023/02/20/snapshot-testing/Home Assistant now supports snapshot testing for our Python codebase.Mon, 20 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/15/json/https://contributors.home-assistant.io/blog/2023/02/15/json/As of Home Assistant Core 2023.3, some constants and functions have been moved between homeassistant.helpers.json and homeassistant.util.json :Wed, 15 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/09/hassgetstate/https://contributors.home-assistant.io/blog/2023/02/09/hassgetstate/We've added a new built-in intent: HassGetStateThu, 09 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/08/sensor_presentation_rounding/https://contributors.home-assistant.io/blog/2023/02/08/sensor_presentation_rounding/The number of decimal digits shown when displaying a sensor state is now configurable by the user.Wed, 08 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/07/introducing-PR-drafting-in-reviews/https://contributors.home-assistant.io/blog/2023/02/07/introducing-PR-drafting-in-reviews/Home Assistant gets lots of contributions, which is absolutely amazing! But when having lots of PRs, it becomes harder to keep track of the state of those.Tue, 07 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/06/translations-files-removed-from-core/https://contributors.home-assistant.io/blog/2023/02/06/translations-files-removed-from-core/We have removed all translation files from the Home Assistant Core repository and put in place a helper script to compile English translations from the translation strings files (strings.json) for development purposes.Mon, 06 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/02/03/responses/https://contributors.home-assistant.io/blog/2023/02/03/responses/The intents repository which powers Assist, has had two important changes.Fri, 03 Feb 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/01/25/sensor_rounding/https://contributors.home-assistant.io/blog/2023/01/25/sensor_rounding/Note: The changes described here have been reverted and replaced with rounding for presentation, more details can be found in this blog post.Wed, 25 Jan 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/01/24/conversation-updates/https://contributors.home-assistant.io/blog/2023/01/24/conversation-updates/The Home Assistant 2023.2 release contains PR 86592 and PR 86484 which include breaking changes to the conversation agent API to future proof it.Tue, 24 Jan 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/01/20/cover-intent-deprecated/https://contributors.home-assistant.io/blog/2023/01/20/cover-intent-deprecated/The intents HassCoverOpen and HassCoverClose have been deprecated as of Home Assistant 2023.02.Fri, 20 Jan 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/01/12/bluetooth-adapters/https://contributors.home-assistant.io/blog/2023/01/12/bluetooth-adapters/Integrations that need to use a Bluetooth adapter should add bluetooth_adapters in dependencies in their manifest.json.Thu, 12 Jan 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2023/01/02/db-schema-v32/https://contributors.home-assistant.io/blog/2023/01/02/db-schema-v32/For Home Assistant Core 2023.2 the database schema has changed.Mon, 02 Jan 2023 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/12/08/multi-pan-rollback/https://contributors.home-assistant.io/blog/2022/12/08/multi-pan-rollback/Update: multi-pan has been fixed and users can once again opt-in to the experimental version starting Home Assistant 2023.2.Thu, 08 Dec 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/12/07/entity-color-changes/https://contributors.home-assistant.io/blog/2022/12/07/entity-color-changes/From the Home Assistant Core 2022.12 release, we are using different colors per domain when an entity is active.Wed, 07 Dec 2022 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2022/12/07/unit_system_changes/https://contributors.home-assistant.io/blog/2022/12/07/unit_system_changes/The last few months saw many changes to the supported unit systems, and how numerical sensors are influenced by them.Wed, 07 Dec 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/12/05/more-unit-enumerators/https://contributors.home-assistant.io/blog/2022/12/05/more-unit-enumerators/As of Home Assistant Core 2023.1, the following unit constants are deprecated and replaced by a corresponding enum:Mon, 05 Dec 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/12/01/entity_translations/https://contributors.home-assistant.io/blog/2022/12/01/entity_translations/The method for integrations to provide translations for states of its entities under other integrations, for example to translate an integration's sensors has changed.Thu, 01 Dec 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/11/28/more-unit-enumerators/https://contributors.home-assistant.io/blog/2022/11/28/more-unit-enumerators/As of Home Assistant Core 2022.12, the following unit constants are deprecated and replaced by a corresponding enum:Mon, 28 Nov 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/11/16/statistics_refactoring/https://contributors.home-assistant.io/blog/2022/11/16/statistics_refactoring/Some changes have been made to the long-term statistics-related APIs to reduce response size and database load.Wed, 16 Nov 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/10/26/new-unit-enumerators/https://contributors.home-assistant.io/blog/2022/10/26/new-unit-enumerators/As of Home Assistant Core 2022.11, the following unit constants are deprecated and replaced by a corresponding enum:Wed, 26 Oct 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/10/25/new-precipitation-intensity-units/https://contributors.home-assistant.io/blog/2022/10/25/new-precipitation-intensity-units/As of Home Assistant Core 2022.11, the following constants are deprecated for volumetric flux (like precipitation intensity), replaced by UnitOfVolumetricFlux enum:Tue, 25 Oct 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/10/24/hubs-devices-services-virtual-integrations/https://contributors.home-assistant.io/blog/2022/10/24/hubs-devices-services-virtual-integrations/For the 2022.11 release, we have been adjusting our integration manifests to better differentiate between hubs, devices, and services.Mon, 24 Oct 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/10/21/code-owner-commands/https://contributors.home-assistant.io/blog/2022/10/21/code-owner-commands/The Home Assistant service hub has been extended by Ludeeus with a new feature: GitHub commands for code owners.Fri, 21 Oct 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/10/14/deprecate-unit-system/https://contributors.home-assistant.io/blog/2022/10/14/deprecate-unit-system/As of Home Assistant Core 2022.11, the IMPERIAL_SYSTEM is deprecated, replaced by US_CUSTOMARY_SYSTEM.Fri, 14 Oct 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/10/10/add-options-to-SelectEntityDescription/https://contributors.home-assistant.io/blog/2022/10/10/add-options-to-SelectEntityDescription/As of Home Assistant Core 2022.11, options is available as a standard property of SelectEntityDescription.Mon, 10 Oct 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/09/29/statistics_refactoring/https://contributors.home-assistant.io/blog/2022/09/29/statistics_refactoring/Long term statistics now allows showing statistics in a different unit than it's stored in.Thu, 29 Sep 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/09/28/deprecate-conversion-utilities/https://contributors.home-assistant.io/blog/2022/09/28/deprecate-conversion-utilities/As of Home Assistant Core 2022.10, the following utilities are deprecated:Wed, 28 Sep 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/09/28/new_sensor_device_classes/https://contributors.home-assistant.io/blog/2022/09/28/new_sensor_device_classes/Several new sensor device classes have been added:Wed, 28 Sep 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/09/16/bluetooth-unavailable-api-changes/https://contributors.home-assistant.io/blog/2022/09/16/bluetooth-unavailable-api-changes/For Home Assistant Core 2022.10 we have changed the async_track_unavailable bluetooth API to send the last BluetoothServiceInfoBleak to the callback instead of the address.Fri, 16 Sep 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/09/06/media-player-repeat-mode-deprecation/https://contributors.home-assistant.io/blog/2022/09/06/media-player-repeat-mode-deprecation/As of Home Assistant Core 2022.10, the following media player constants are deprecated:Tue, 06 Sep 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/08/25/issue_registry_moved_to_helpers/https://contributors.home-assistant.io/blog/2022/08/25/issue_registry_moved_to_helpers/The issue registry has been moved from homeassistant.components.repairs to homeassistant.helpers and is now loaded together with the other registries very early during bootstrapping, before setup of any integrations.Thu, 25 Aug 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/08/24/globally_accessible_hass/https://contributors.home-assistant.io/blog/2022/08/24/globally_accessible_hass/It's now possible to get a reference to the HomeAssistant instance by calling core.async_get_hass().Wed, 24 Aug 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/08/18/light_white_value_removed/https://contributors.home-assistant.io/blog/2022/08/18/light_white_value_removed/LightEntity no longer supports white_value, it's replaced by color mode white.Thu, 18 Aug 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/08/15/automation-action-type-deprecation/https://contributors.home-assistant.io/blog/2022/08/15/automation-action-type-deprecation/For Home Assistant Core 2022.9, we have deprecated AutomationActionType, AutomationTriggerInfo, and AutomationTriggerData from homeassistant/components/automation/init.py.Mon, 15 Aug 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/08/08/bluetooth-api-changes/https://contributors.home-assistant.io/blog/2022/08/08/bluetooth-api-changes/For Home Assistant Core 2022.9 we have changed the PassiveBluetoothProcessorCoordinator and PassiveBluetoothDataProcessor bluetooth API's to make PassiveBluetoothProcessorCoordinator responsible for parsing.Mon, 08 Aug 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/07/29/device-tracker_source-type-deprecation/https://contributors.home-assistant.io/blog/2022/07/29/device-tracker_source-type-deprecation/For Home Assistant Core 2022.9, we have deprecated the device_tracker SOURCE_TYPE_* constants.Fri, 29 Jul 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/07/10/entity_naming/https://contributors.home-assistant.io/blog/2022/07/10/entity_naming/We are working on improving and standardizing our entity naming. This will allow us to show, in the UI, entities in the right context in the future while removing some error-prone magic mangling of entity names from the code base.Sun, 10 Jul 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/07/08/config_entry_forwards/https://contributors.home-assistant.io/blog/2022/07/08/config_entry_forwards/Before 2022.8, it was impossible to await config entry platforms forwards without a deadlock if one of the platforms loaded by the config entry was not already loaded.Fri, 08 Jul 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/07/08/generic-store/https://contributors.home-assistant.io/blog/2022/07/08/generic-store/As of Home Assistant Core 2022.8, a Store (from homeassistant/helpers/storage.py) is defined as a Generic Store(Generic[_T]).Fri, 08 Jul 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/06/27/weather_entity_refactoring/https://contributors.home-assistant.io/blog/2022/06/27/weather_entity_refactoring/WeatherEntity now supports temperature unit conversion following a similar pattern as the unit conversion supported by NumberEntity and SensorEntity.Mon, 27 Jun 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/06/14/number_entity_refactoring/https://contributors.home-assistant.io/blog/2022/06/14/number_entity_refactoring/NumberEntity now supports temperature unit conversion following a similar pattern as the unit conversion supported by SensorEntity.Tue, 14 Jun 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/06/13/unsafe_reloads_during_entry_setup/https://contributors.home-assistant.io/blog/2022/06/13/unsafe_reloads_during_entry_setup/Before 2022.7, it was possible to trigger a reload of a config entry while it was still setting up.Mon, 13 Jun 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/06/07/dataflow-constants-deprecation/https://contributors.home-assistant.io/blog/2022/06/07/dataflow-constants-deprecation/As of Home Assistant Core 2022.7, all RESULT_TYPE_* constants for data entry flow result types are deprecated:Tue, 07 Jun 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/06/02/update_coordinator-context/https://contributors.home-assistant.io/blog/2022/06/02/update_coordinator-context/Starting with Home Assistant 2022.7, the update coordinator supports keeping track of context for each listening entity.Thu, 02 Jun 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/05/31/media-player-updates/https://contributors.home-assistant.io/blog/2022/05/31/media-player-updates/Starting with Home Assistant 2022.6, the media player integration has received two updates to the media_player.play_media service.Tue, 31 May 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/05/24/entity_matches_only_removed_logbook_card/https://contributors.home-assistant.io/blog/2022/05/24/entity_matches_only_removed_logbook_card/Before 2022.6, the entity_matches_only flag prevented the logbook from providing context data in exchange for performance improvement when querying specific entities.Tue, 24 May 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/05/12/s6-overlay-base-images/https://contributors.home-assistant.io/blog/2022/05/12/s6-overlay-base-images/We started to update our base images to use the new s6-Overlay v3. A migration article also explains the new possibilities around this change.Thu, 12 May 2022 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2022/05/03/constants-deprecations/https://contributors.home-assistant.io/blog/2022/05/03/constants-deprecations/For Home Assistant Core 2022.5, we have deprecated many constants and replaced them with enums.Tue, 03 May 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/05/03/serviceinfo-model-improvements/https://contributors.home-assistant.io/blog/2022/05/03/serviceinfo-model-improvements/As of Home Assistant Core 2022.6, access to discovery information via the, previously deprecated, dictionary methods have been removed.Tue, 03 May 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/04/26/tts-say-media-source/https://contributors.home-assistant.io/blog/2022/04/26/tts-say-media-source/Starting with Home Assistant 2022.5, the TTS say service will set the media content ID to be a media source URI.Tue, 26 Apr 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/04/20/saying-goodbye-to-event_time_changed/https://contributors.home-assistant.io/blog/2022/04/20/saying-goodbye-to-event_time_changed/With Home Assistant Core 0.113, we began transiting to using the asyncio event loop for scheduling events.Wed, 20 Apr 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/04/18/calendar-data-model/https://contributors.home-assistant.io/blog/2022/04/18/calendar-data-model/As of Home Assistant Core 2022.5, CalendarDeviceEntity is deprecated and superseded by CalendarEntity.Mon, 18 Apr 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/04/16/local-oauth2/https://contributors.home-assistant.io/blog/2022/04/16/local-oauth2/As of Home Assistant Core 2022.5, integrations that register a config_entry_oauth2_flow.LocalOAuth2Implementation must have a manifest dependency on the auth component.Sat, 16 Apr 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/04/02/support-constants-deprecation/https://contributors.home-assistant.io/blog/2022/04/02/support-constants-deprecation/As of Home Assistant Core 2022.5, all SUPPORT_* constants are deprecated, each entity platform is providing an EntityFeature enum to replace them.Sat, 02 Apr 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/03/30/2022.4-new-dev-features/https://contributors.home-assistant.io/blog/2022/03/30/2022.4-new-dev-features/There are a handful of new features for developers in 2022.4.Wed, 30 Mar 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/03/20/update-entity/https://contributors.home-assistant.io/blog/2022/03/20/update-entity/Home Assistant 2022.4 will provide a brand new entity platform: the update entity.Sun, 20 Mar 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/02/28/opt-in-remove-device/https://contributors.home-assistant.io/blog/2022/02/28/opt-in-remove-device/In the Home Assistant Core 2022.3 release, Erik Montnemery added support for any integration to opt in to show a "delete device" button on the device page in the Home Assistant interface.Mon, 28 Feb 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2022/02/18/paper-elements/https://contributors.home-assistant.io/blog/2022/02/18/paper-elements/In the Home Assistant Core 2022.3 release, we are removing all of the paper-dropdown-menu and paper-input elements in the Frontend Repository.Fri, 18 Feb 2022 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/10/26/config-entity/https://contributors.home-assistant.io/blog/2021/10/26/config-entity/Home Assistant Core 2021.11 introduces two new concepts to make managing devices easier, device configuration URL and entity categories.Tue, 26 Oct 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/09/20/state_class_total/https://contributors.home-assistant.io/blog/2021/09/20/state_class_total/Note: This post was edited 2021-10-21 to remove references to total accumulated increases and decreases which were removed and never included in the Home Assistant 2021.10 release.Mon, 20 Sep 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/08/24/supervisor_update/https://contributors.home-assistant.io/blog/2021/08/24/supervisor_update/It's been a while since we posted about changes to the Supervisor. Here are some highlights from the past year and the future.Tue, 24 Aug 2021 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2021/08/16/state_class_total/https://contributors.home-assistant.io/blog/2021/08/16/state_class_total/A new state class, total_increasing has been added. In addition, the last_reset attribute is removed from SensorEntity.Mon, 16 Aug 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/08/12/sensor_temperature_conversion/https://contributors.home-assistant.io/blog/2021/08/12/sensor_temperature_conversion/Temperature unit conversions are moving from the Entity base class to the SensorEntity base class.Thu, 12 Aug 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/05/25/sensor_attributes/https://contributors.home-assistant.io/blog/2021/05/25/sensor_attributes/The sensor entity model has been updated with two new properties, state_class and last_reset.Tue, 25 May 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/05/19/lit-2.0/https://contributors.home-assistant.io/blog/2021/05/19/lit-2.0/We upgraded our frontend to use Lit 2.0, this is a major bump of both LitElement (3.0) and lit-html (2.0) that will now go further under the name Lit together.Wed, 19 May 2021 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2021/05/07/switch-pytz-to-python-dateutil/https://contributors.home-assistant.io/blog/2021/05/07/switch-pytz-to-python-dateutil/Three years ago Paul Ganssle wrote a comparison about time zone handling between pytz and python-dateutil.Fri, 07 May 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/04/09/astral-2.2/https://contributors.home-assistant.io/blog/2021/04/09/astral-2.2/We recently merged a pull request to upgrade the astral library version used in Home Assistant Core to version 2.2.Fri, 09 Apr 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2021/01/29/custom-integration-changes/https://contributors.home-assistant.io/blog/2021/01/29/custom-integration-changes/Happy New Year everyone! 2021 is finally here 🎉Fri, 29 Jan 2021 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/11/09/system-health-and-templates/https://contributors.home-assistant.io/blog/2020/11/09/system-health-and-templates/In Home Assistant 0.118, there will be two changes that could impact your custom integration.Mon, 09 Nov 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/10/29/supervisor-update/https://contributors.home-assistant.io/blog/2020/10/29/supervisor-update/You can now use our [builder][marketplace] as a [GitHub action][github_action]! :tada:Thu, 29 Oct 2020 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2020/10/02/lazyMoreInfo/https://contributors.home-assistant.io/blog/2020/10/02/lazyMoreInfo/In 0.115 we converted our more info controls to be lazy-loaded. This was done because the more info dialog is always loaded in an early stage of the page load.Fri, 02 Oct 2020 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2020/09/30/customViewChanges/https://contributors.home-assistant.io/blog/2020/09/30/customViewChanges/Custom Element developers can now create Custom View Layouts that users can load and use!Wed, 30 Sep 2020 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2020/07/13/alpine-python/https://contributors.home-assistant.io/blog/2020/07/13/alpine-python/We use Alpine for most of our Containers. It is the perfect distribution for containers because it is small (BusyBox based), available for a lot of CPU architectures, and the package system is slim.Mon, 13 Jul 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/06/01/getCardSize/https://contributors.home-assistant.io/blog/2020/06/01/getCardSize/Ever since we introduced lazy loading cards to Lovelace, getting the card size of a lazy loaded card was hard.Mon, 01 Jun 2020 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2020/05/14/entity-class-names/https://contributors.home-assistant.io/blog/2020/05/14/entity-class-names/Ever wondered when implementing entities for our entity integrations why you had to extend BinarySensorDevice and not BinarySensorEntity?Thu, 14 May 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/05/09/custom-iconsets/https://contributors.home-assistant.io/blog/2020/05/09/custom-iconsets/If you are the maintainer of a custom icon set, you might need to update it.Sat, 09 May 2020 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2020/05/08/instance-url-helper/https://contributors.home-assistant.io/blog/2020/05/08/instance-url-helper/If you are an integration developer and came across the problem of getting the URL of the users' Home Assistant instance, you probably know, this wasn't always easy.Fri, 08 May 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/05/08/logos-custom-integrations/https://contributors.home-assistant.io/blog/2020/05/08/logos-custom-integrations/Recently, Home Assistant started to support images & icons for integrations to show up in the frontend.Fri, 08 May 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/04/23/frontend-translations/https://contributors.home-assistant.io/blog/2020/04/23/frontend-translations/If you are the author of a custom Lovelace card and use translations, please pay attention as the state translation keys have changed.Thu, 23 Apr 2020 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2020/04/16/hassfest/https://contributors.home-assistant.io/blog/2020/04/16/hassfest/Hassfest is an internal tool that we use in Home Assistant to make sure that all integrations have valid data.Thu, 16 Apr 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/04/12/s6-overlay/https://contributors.home-assistant.io/blog/2020/04/12/s6-overlay/Home Assistant uses a lot of different Docker containers for all kinds of purposes.Sun, 12 Apr 2020 00:00:00 GMTappshttps://contributors.home-assistant.io/blog/2020/04/10/translation-handling/https://contributors.home-assistant.io/blog/2020/04/10/translation-handling/We've migrated our translation scripts in the Home Assisstant Core repository under a single namespace.Fri, 10 Apr 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2020/02/18/106-custom-card-changes/https://contributors.home-assistant.io/blog/2020/02/18/106-custom-card-changes/We made some changes that can affect custom Lovelace cards in Home Assistant Core 0.106, if you are a custom card developer, please read the following.Tue, 18 Feb 2020 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2020/02/04/new-zwave/https://contributors.home-assistant.io/blog/2020/02/04/new-zwave/At the State of the Union we introduced that we're working on a new Z-Wave integration.Tue, 04 Feb 2020 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/10/05/simple-mode/https://contributors.home-assistant.io/blog/2019/10/05/simple-mode/The Home Assistant UI has two different modes. There is a simple mode and an advanced mode.Sat, 05 Oct 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/09/27/hacktoberfest/https://contributors.home-assistant.io/blog/2019/09/27/hacktoberfest/This year we're again participating in Hacktoberfest. Hacktoberfest is a worldwide event to celebrate open source.Fri, 27 Sep 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/07/31/black/https://contributors.home-assistant.io/blog/2019/07/31/black/Today we have officially adopted the Python code formatting tool Black. All code has been formatted with Black and all future contributions will be checked to make sure that they have been formatted using Black.Wed, 31 Jul 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/07/19/building-all-the-things/https://contributors.home-assistant.io/blog/2019/07/19/building-all-the-things/How Home Assistant is using Azure Pipelines to automate all the things.Fri, 19 Jul 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/07/03/climate-cleanup/https://contributors.home-assistant.io/blog/2019/07/03/climate-cleanup/This post is about the upcoming changes for the Home Assistant climate integration.Wed, 03 Jul 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/05/22/internet-of-things-and-the-modern-web/https://contributors.home-assistant.io/blog/2019/05/22/internet-of-things-and-the-modern-web/Home Assistant is world's biggest open-source home automation platform. It supports over 1000 devices and services, and it is used everywhere: homes, boats and museums.Wed, 22 May 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/04/12/new-integration-structure/https://contributors.home-assistant.io/blog/2019/04/12/new-integration-structure/We have finished the great migration. The result will be released as part of Home Assistant 0.92.Fri, 12 Apr 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/03/11/user-permissions/https://contributors.home-assistant.io/blog/2019/03/11/user-permissions/Home Assistant has had a user permission system since Home Assistant 0.82 (released Nov, 2018).Mon, 11 Mar 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2019/02/19/the-great-migration/https://contributors.home-assistant.io/blog/2019/02/19/the-great-migration/Home Assistant is based around components. One type of components is the one that provide an entity abstraction for a type of device, like lights, switches or media players.Tue, 19 Feb 2019 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2018/08/13/deprecating-remote-package/https://contributors.home-assistant.io/blog/2018/08/13/deprecating-remote-package/With the release of Home Assistant 0.76, the functions in the homeassistant.remote package will be deprecated and will be removed in 0.77.Mon, 13 Aug 2018 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2018/07/02/trying-new-auth/https://contributors.home-assistant.io/blog/2018/07/02/trying-new-auth/In Home Assistant 0.69 we introduced the foundation for a new authentication API.Mon, 02 Jul 2018 00:00:00 GMTcorehttps://contributors.home-assistant.io/blog/2018/06/01/071-custom-panels/https://contributors.home-assistant.io/blog/2018/06/01/071-custom-panels/Efforts to modernize and localize the frontend are moving full speed. This blog post will touch upon the upcoming features for Home Assistant 0.71 which should hit the beta channel today and is planned for a release a week from now.Fri, 01 Jun 2018 00:00:00 GMTfrontendhttps://contributors.home-assistant.io/blog/2018/05/22/custom-ui-panels-api/https://contributors.home-assistant.io/blog/2018/05/22/custom-ui-panels-api/With the release of Home Assistant 0.70, we've migrated the build pipeline for our frontend from being based on HTML imports to ES module imports (more on this later).Tue, 22 May 2018 00:00:00 GMTfrontend