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Copypaste doesn't work properly #36646
Description
Description
Original issue: Copy-on-Select fails when running opencode via Tmux in Kitty terminal (Linux) #9942
this is rather annoying. I understand that fullscreen TUI interface requires to have it's custom copypaste routine, but it would be nice if it would work. Claude code (fullscreen mode) works properly on tmux. it says " copied 784 chars to tmux buffer · paste with prefix + ]" on the interface but it also gets copied to the system clipboard.
Plugins
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OpenCode version
1.17.18
Steps to reproduce
- have opencode open in tmux which is in terminal (ghostty here)
- select area with mouse
- copy, see message "Copied to Clipboard"
- paste via terminal, observe how nothing was copied to clipboard. paste via tmux key shortcut, it also had old contents
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Terminal
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github-actions commentedon Jul 13, 2026
This issue might be a duplicate of existing issues. Please check:
If your issue is already tracked in one of the above, please consider adding a comment there instead so the discussion stays consolidated.
mankeli commentedon Jul 13, 2026
this seems to fix it on tmux though,
set -g allow-passthrough on
I guess it could be a feature request then? Atleast it's not a bug, unless tmux support is intended feature.
mankeli commentedon Jul 13, 2026
Good refs, probably that #19982 atleast
ayubun commentedon Aug 4, 2026
i believe this would also be fixed by #30472