Code highlight problem in tmux #12266

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1. alexey-yanchenko

   added

   bugSomething isn't workingSomething isn't working

   on Feb 5, 2026
2. github-actions

   assigned

   kommander

   on Feb 5, 2026
3. github-actions

   added

   nix

   opentuiThis relates to changes in v1.0, now that opencode uses opentuiThis relates to changes in v1.0, now that opencode uses opentui

   on Feb 5, 2026
4. github-actions commented on Feb 5, 2026

   

   github-actionsBot

   on Feb 5, 2026 – with GitHub Actions

   Contributor

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   This issue might be a duplicate of or related to existing tmux/terminal rendering issues. Please check:

   • Clipboard copy fails in Zellij and other multiplexers (OSC52 written to stdout instead of /dev/tty) #12082: Clipboard copy fails in Zellij and other multiplexers (OSC52 rendering issues)
   • Copy-on-Select fails when running opencode via Tmux in Kitty terminal (Linux) #9942: Copy-on-Select fails when running opencode via Tmux in Kitty terminal
   • [Windows Git Bash][tmux] opencode cannot run in Git Bash tmux #10129: opencode cannot run in Git Bash tmux
   • Screen lag/freezing when typing text (WSL2, TMUX, Alacritty) #8484: Screen lag/freezing when typing text (WSL2, TMUX, Alacritty)

   These issues suggest there may be broader terminal multiplexer rendering/escape sequence handling problems that could be related to your diff highlighting issue.

   Feel free to ignore if your specific case differs from these.
5. github-actions commented on Apr 7, 2026

   

   github-actionsBot

   on Apr 7, 2026 – with GitHub Actions

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   To stay organized issues are automatically closed after 90 days of no activity. If the issue is still relevant please open a new one.
6. github-actions

   closed this as completedon Apr 7, 2026