chore(release): 0.5.0-rc.0

[github-actions]

The next ghostty-web release candidate. Merging this PR creates a prerelease tag and GitHub Release, then starts the publish pipeline.

0.5.0-rc.0 (2026-06-28)

WASM patpty parrender scMouse tracking improvements user-facissxterthe.minor and patch fixes.

Highlights

• Fixed scrolled rows not being cleared in the WASM grid patpatpatpatch, eliminating stale cell on scroll. (fix: clear scrolled row cells in wasm patch #180)
• Resolved a terminal crash when resizing during high-output programs. (fix: prevent terminal crash on resize during high-output programs #132)
• Block click on OSC 8 hyperlinks with the Cmd/Ctrl modifier. (feat: enable OSC 8 hyperlink clicking with Cmd/Ctrl modifier #117)
• Added mouse tracking support so interactive terminal applications receive mouse events. (feat: add mouse tracking support for terminal applications #106)
• Added triple-click word/line selection and other selection improvements. (feat(selection): Add triple-click and selection improvements #115)

Features

• add mouse tracking support for terminal applications (#106) (03ead6e)
• enable OSC 8 hyperlink clicking with Cmd/Ctrl modifier (#117) (3525675)
• selection: Add triple-click and selection improvements (#115) (6a1a50d)

Bug Fixes

• allow processing multiple terminal responses from WASM (#103) (c7e37fb)
• check for bracketed paste in input handler (#99) (65aeac9)
• clear canvas before filling to support transparent backgrounds (#116) (77e29d9)
• clear scrolled row cells in wasm patch (#180) (bec9e16)
• demo: secure WebSocket PTY access (#173) (0556b95)
• export Key, KeyAction, Mods, DirtyState as runtime values (#130) (65ed96f)
• prevent clipboard overwrite on single click without selection (#124) (fd09412), closes #108
• prevent terminal crash on resize during high-output programs (#132) (fc99955)
• render text under block cursor with cursorAccent color (#131) (174a554)
• Respond to the device attributes sequences (#101) (#102) (2ede417)
• send backtab escape sequence on Shift+Tab (#112) (98753e0)

Documentation

• document ITerminalOptions scrollback default (#178) (b6cf72a)

---

Maintained by the release-please workflow. Manual edits to generated release notes may be overwritten.