### _Black_
+- Add support for formatting Jupyter Notebook files (#2357)
+- Move from `appdirs` dependency to `platformdirs` (#2375)
+
+## 21.7b0
+
+### _Black_
+
+- Configuration files using TOML features higher than spec v0.5.0 are now supported
+ (#2301)
+- Add primer support and test for code piped into black via STDIN (#2315)
+- Fix internal error when `FORCE_OPTIONAL_PARENTHESES` feature is enabled (#2332)
+- Accept empty stdin (#2346)
+- Provide a more useful error when parsing fails during AST safety checks (#2304)
+
+### Docker
+
+- Add new `latest_release` tag automation to follow latest black release on docker
+ images (#2374)
+
+### Integrations
+
+- The vim plugin now searches upwards from the directory containing the current buffer
+ instead of the current working directory for pyproject.toml. (#1871)
+- The vim plugin now reads the correct string normalization option in pyproject.toml
+ (#1869)
+- The vim plugin no longer crashes Black when there's boolean values in pyproject.toml
+ (#1869)
+
+## 21.6b0
+
+### _Black_
+
- Fix failure caused by `fmt: skip` and indentation (#2281)
- Account for += assignment when deciding whether to split string (#2312)
- Correct max string length calculation when there are string operators (#2292)
- Fix handling of named escapes (`\N{...}`) when `--experimental-string-processing` is
used (#2319)
+### Integrations
+
+- The official Black action now supports choosing what version to use, and supports the
+ major 3 OSes. (#1940)
+
## 21.5b2
### _Black_
- Add a lower bound for the `aiohttp-cors` dependency. Only 0.4.0 or higher is
supported. (#2231)
-### Integrations
-
-- The official Black action now supports choosing what version to use, and supports the
- major 3 OSes. (#1940)
-
### Packaging
- Release self-contained x86_64 MacOS binaries as part of the GitHub release pipeline