v0.5.13

anomalyco/opentuiv0.5.13Sep 30, 2026by github-actions[bot]

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AI Summary

This release prioritizes performance optimization, bug fixes, and build improvements, including better Windows support, SSH latency reduction, and memory management enhancements.

Key Highlights

  • Fixed Zig dependency extraction on Windows
  • SSH performance improvement by disabling Nagle's algorithm
  • Enhanced tmux integration
  • Multiple performance optimizations and memory leak fixes
  • New contributor @clang-engineer

New Features

  • Fixed Zig dependency extraction on Windows
  • Improved SSH latency
  • Fixed tmux capability replies
  • Fixed portal teardown leak
  • Optimized text buffer management

Full Release Notes

## What's Changed
* native: fix Zig dependency extraction on Windows by @simonklee in https://github.com/anomalyco/opentui/pull/1527
* ci: cache native cross-compile bottles by @simonklee in https://github.com/anomalyco/opentui/pull/1528
* Fix/kitty z above cell background by @simonklee in https://github.com/anomalyco/opentui/pull/1525
* ssh: disable Nagle's algorithm on accepted connections by @simonklee in https://github.com/anomalyco/opentui/pull/1531
* fix portal teardown leak by @viralcodex in https://github.com/anomalyco/opentui/pull/1522
* terminal: keep tmux capability replies in the pane that asked by @clang-engineer in https://github.com/anomalyco/opentui/pull/1460
* core: skip native resets of a text view with no selection by @simonklee in https://github.com/anomalyco/opentui/pull/1539
* native: resize buffers in place while the cells fit by @simonklee in https://github.com/anomalyco/opentui/pull/1537
* native: round color bytes without a libm call by @simonklee in https://github.com/anomalyco/opentui/pull/1536
* core: encode draw text into reused storage by @simonklee in https://github.com/anomalyco/opentui/pull/1538
* native: release replaced text buffer ropes by @simonklee in https://github.com/anomalyco/opentui/pull/1544
* renderable: defer layout for late children by @simonklee in https://github.com/anomalyco/opentui/pull/1545

## New Contributors
* @clang-engineer made their first contribution in https://github.com/anomalyco/opentui/pull/1460

**Full Changelog**: https://github.com/anomalyco/opentui/compare/v0.5.12...v0.5.13

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