v8.2.7

This release adds additional support for the Kitty key protocol. Which enables some additional keys on some terminals. Additionally, Textual will report modifier keys as separate key events. 

Additionally there are a few more shortcuts to the Text Area.

This release sponsored by Mistral AI. See release notes for detail.

## [8.2.7] - 2026-05-19 

### Added

- Added support for Kitty key protocol "Report all keys as escape codes" which enabled alt+backspace on Warp https://github.com/Textualize/textual/pull/6544
- Added support for detecting separate modifier keys for terminals that support the Kitty key protocol https://github.com/Textualize/textual/pull/6544
- Added `TEXTUAL_DISABLE_KITTY_KEY` env var to disable Kitty key protocol support (debug aid). https://github.com/Textualize/textual/pull/6544

### Changed

- Undo/redo/copy/cut/paste in TextArea will now work with cmd+ on supported terminals https://github.com/Textualize/textual/pull/6543
- In TextArea, ctrl+u will now delete a newline if the cursor is at the start https://github.com/Textualize/textual/pull/6543
- in TextArea alt+delete is now bound to delete word right https://github.com/Textualize/textual/pull/6543
- Text opacity applied to an ansi theme will now set the dim attribute if the opacity is < 50% https://github.com/Textualize/textual/pull/6546