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)