### _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)
+- Fixed option usage when using the `--code` flag (#2259)
+- Do not call `uvloop.install()` when _Black_ is used as a library (#2303)
+- Added `--required-version` option to require a specific version to be running (#2300)
+- Fix incorrect custom breakpoint indices when string group contains fake f-strings
+ (#2311)
+- Fix regression where `R` prefixes would be lowercased for docstrings (#2285)
+- Fix handling of named escapes (`\N{...}`) when `--experimental-string-processing` is
+ used (#2319)
+
+## 21.5b2
+
+### _Black_
+
- A space is no longer inserted into empty docstrings (#2249)
- Fix handling of .gitignore files containing non-ASCII characters on Windows (#2229)
- Respect `.gitignore` files in all levels, not only `root/.gitignore` file (apply
`.gitignore` rules like `git` does) (#2225)
- Restored compatibility with Click 8.0 on Python 3.6 when LANG=C used (#2227)
- Add extra uvloop install + import support if in python env (#2258)
+- Fix --experimental-string-processing crash when matching parens are not found (#2283)
+- Make sure to split lines that start with a string operator (#2286)
+- Fix regular expression that black uses to identify f-expressions (#2287)
### _Blackd_
- Add a lower bound for the `aiohttp-cors` dependency. Only 0.4.0 or higher is
supported. (#2231)
-### _Packaging_
+### Integrations
+
+- The official Black action now supports choosing what version to use, and supports the
+ major 3 OSes. (#1940)
+
+### Packaging
-- Release self-contained macOS binaries as part of the GitHub release pipeline (#2198)
+- Release self-contained x86_64 MacOS binaries as part of the GitHub release pipeline
+ (#2198)
- Always build binaries with the latest available Python (#2260)
### Documentation
+- Add discussion of magic comments to FAQ page (#2272)
+- `--experimental-string-processing` will be enabled by default in the future (#2273)
- Fix typos discovered by codespell (#2228)
- Fix Vim plugin installation instructions. (#2235)
- Add new Frequently Asked Questions page (#2247)