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v6.3.0

Textualize/textualv6.3.0Oct 11, 2025by willmcgugan

AI Summary

Updates Python support and adds a new CSS rule for scrollbar visibility.

Key Highlights

  • Added support for Python 3.14.
  • Added scrollbar-visibility CSS rule.
  • Dropped support for Python 3.8.

Breaking Changes

  • Dropped support for Python 3.8

New Features

  • Scrollbar-visibility CSS rule
  • Python 3.14 support

Full Release Notes

Version 6.3.0 adds support for Python 3.14, but drops support for Python3.8.

If you are updating, you may also want to update `textual-dev`.

There is also a new CSS rule, and a fix for code highlighting.

Enjoy!

## [6.3.0] - 2025-10-11

### Added

- Added scrollbar-visibility rule https://github.com/Textualize/textual/pull/6156

### Fixed

- Fixed highlight not auto-detecting lexer https://github.com/Textualize/textual/pull/6167

### Changed

- Dropped support for Python3.8 https://github.com/Textualize/textual/pull/6121/
- Added support for Python3.14 https://github.com/Textualize/textual/pull/6121/