> ## Documentation Index
> Fetch the complete documentation index at: https://docs.prefect.io/llms.txt
> Use this file to discover all available pages before exploring further.

# prefect-slack

## 0.4.0

*Released on August 04, 2026*

**Breaking Changes**

* Remove Python 3.9 support [#19273](https://github.com/PrefectHQ/prefect/pull/19273) by [@desertaxle](https://github.com/desertaxle)

**Features**

* Update classifiers and test matrix for Python 3.13 support [#17791](https://github.com/PrefectHQ/prefect/pull/17791) by [@zzstoatzz](https://github.com/zzstoatzz)

**Bug Fixes**

* Include `subject` in `SlackWebhook` notifications [#22682](https://github.com/PrefectHQ/prefect/pull/22682) by [@devin-ai-integration](https://github.com/apps/devin-ai-integration)

**Documentation**

* Set up automatic `prefect-slack` API reference docs via `mdxify` [#20709](https://github.com/PrefectHQ/prefect/pull/20709) by [@devin-ai-integration](https://github.com/apps/devin-ai-integration)
* Clarify `prefect-slack` description and document `SlackWebhook` differences [#20557](https://github.com/PrefectHQ/prefect/pull/20557) by [@devin-ai-integration](https://github.com/apps/devin-ai-integration)
* Update links in blocks to not point to docs from archived repositories [#16031](https://github.com/PrefectHQ/prefect/pull/16031) by [@discdiver](https://github.com/discdiver)
* Regenerate API refs with `mdxify >=0.2.45` to drop empty stubs [#22344](https://github.com/PrefectHQ/prefect/pull/22344) by [@zzstoatzz](https://github.com/zzstoatzz)

**Maintenance**

* Migrate packaging configuration to `pyproject.toml` [#17116](https://github.com/PrefectHQ/prefect/pull/17116) by [@zzstoatzz](https://github.com/zzstoatzz)
* Fix integration API reference generation [#20789](https://github.com/PrefectHQ/prefect/pull/20789) by [@desertaxle](https://github.com/desertaxle)
* Add `dev` dependency group [#17273](https://github.com/PrefectHQ/prefect/pull/17273) by [@zzstoatzz](https://github.com/zzstoatzz)
* Update `async_dispatch` usage to enable forcing behavior for instance methods [#15996](https://github.com/PrefectHQ/prefect/pull/15996) by [@zzstoatzz](https://github.com/zzstoatzz)