Deprecating all magic numbers for supported features
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.
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2023
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Deprecated constants create a log entry
In recent years many constants have been replaced by Enums or other values by adding a code comment pointing to the successor.
1 min readConfig entry now supports minor versions
Config entry now supports minor versions.
1 min readChanges to EntityDescription data classes
The EntityDescription classes have changed; derived dataclasses should now set frozen=True and kw_only=True.
1 min readNew scaling utils and import changes
Multiple integrations have implemented there own scaling algorithm to scale brightness.
2 min readException handling during service calls and translation support
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.
1 min readConfig processing and error handling
The way component YAML configuration is processed has been changed. Now, it is possible to raise if an error occurs.
1 min readPublic 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.
2 min readCountry selector
Selectors has been expanded and now also includes a CountrySelector.
1 min readRemoval of deprecated unit conversion utilities
The following utilities were deprecated in Home Assistant 2022.10) and have now been removed as of 2023.11:
1 min readHome Assistant is participating in Hacktoberfest 2023!
📢 Exciting news for Hacktoberfest 2023 participants! We are participating! 🎉
2 min readNew way of excluding state attributes from recording
The way in which state attributes are excluded from recording has changed
1 min readThe websocket command entity/source has been modified
The websocket command entity/source has been greatly simplified:
1 min readEntity state formatting
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:
1 min readHomeAssistant.__init__ requires passing a string to it
The signature of HomeAssistant.init has been changed from no arguments to require the configuration directory as a string to be passed to it.
1 min readNumerical sensors are no longer allowed to set their state to NaN or inf
Numerical sensors are no longer allowed to set their state to Not a Number or to positive or negative infinity.
1 min readWeather 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.
1 min readAvoid unnecessary callbacks with DataUpdateCoordinator
The DataUpdateCoordinator can now reduce unnecessary updates when API data can be compared.
1 min readThe naming of MQTT entities changes to correspond with HA guidelines
The way MQTT entities are named and how device configuration can be shared between discovered entities has changed
1 min readTranslating 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.
1 min readUpdated to the Vacuum entity integration
The Vacuum entity has seen some recent changes:
1 min readAction event for custom cards
In the Home Assistant Core 2023.7 release, we introduced hass-action for custom cards.
1 min readChanges to entity naming
There have been a couple of changes to entity naming:
1 min readService call 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.
1 min readService Call API changes
This change affects Service Call APIs: hass.services.async_call and hass.services.call.
1 min readRecent MQTT changes to improve overall performance
The way Home Assistant's MQTT integration processes MQTT messages and how subscribes and unsubscribes are performed has changed.
1 min readJob: Home Assistant Core Developer
Nabu Casa is seeking a passionate and experienced Python developer to join the Home Assistant core team as a full-time Software Engineer.
1 min readStatistics WebSocket API changes
This change affects WebSocket APIs: recorder/statistic_during_period and recorder/statistics_during_period.
1 min readNew limits for Supervisor 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).
1 min readDeprecating Polymer
The Home Assistant frontend used to use the Polymer Library for her web components.
1 min readCalendar 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.
1 min readTranslating the name and attributes of entities
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.
1 min readCustom tile features
In the Home Assistant Core 2022.3 release, we add custom features for the tile card.
1 min readDeprecated callback signatures for MQTT subscribe removed
Home Assistant's MQTT integration no longer supports deprecated callback signatures for MQTT subscribe.
1 min readAdded support for snapshot testing
Home Assistant now supports snapshot testing for our Python codebase.
1 min readRefactor json helper and utility
As of Home Assistant Core 2023.3, some constants and functions have been moved between homeassistant.helpers.json and homeassistant.util.json :
1 min readThe HassGetState intent
We've added a new built-in intent: HassGetState
1 min readThe number of decimals used when displaying a sensor state is now configurable
The number of decimal digits shown when displaying a sensor state is now configurable by the user.
1 min readIntroducing drafting of PRs in our review process
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.
2 min readTranslation files removed from Core repository
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.
1 min readIntent Responses and Whitespace
The intents repository which powers Assist, has had two important changes.
1 min readSensor entity can now do rounding of numerical values
Note: The changes described here have been reverted and replaced with rounding for presentation, more details can be found in this blog post.
1 min readFuture proofing the Conversation integration
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.
1 min readCover intents deprecated
The intents HassCoverOpen and HassCoverClose have been deprecated as of Home Assistant 2023.02.
1 min readBluetooth updates for 2023.2 and later
Integrations that need to use a Bluetooth adapter should add bluetooth_adapters in dependencies in their manifest.json.
1 min readDatabase schema v32 updates
For Home Assistant Core 2023.2 the database schema has changed.
1 min read