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Mac unresponsive, significant lag #3342

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opened 2026-02-16 17:39:42 -05:00 by yindo · 3 comments
yindo commented 2026-02-16 17:39:42 -05:00
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Originally created by @bedwards on GitHub (Dec 5, 2025).

Originally assigned to: @kommander on GitHub.

Description

I would say for about the past five daily version upgrades, opencode has become so laggy both with my input typing, pressing enter and seeing the prompt queued or sent, the LLM updates, the Knight Rider style progress bar, all freeze. This is on a Mac Studio, Tahoe, Apple chips, iterm2, both with and without tmux.

OpenCode version

latest daily

Steps to reproduce

No response

Screenshot and/or share link

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Operating System

macOS Tahoe

Terminal

iTerm2

Originally created by @bedwards on GitHub (Dec 5, 2025). Originally assigned to: @kommander on GitHub. ### Description I would say for about the past five daily version upgrades, opencode has become so laggy both with my input typing, pressing enter and seeing the prompt queued or sent, the LLM updates, the Knight Rider style progress bar, all freeze. This is on a Mac Studio, Tahoe, Apple chips, iterm2, both with and without tmux. ### OpenCode version latest daily ### Steps to reproduce _No response_ ### Screenshot and/or share link _No response_ ### Operating System macOS Tahoe ### Terminal iTerm2
yindo added the opentuibug labels 2026-02-16 17:39:42 -05:00
yindo commented 2026-02-16 17:39:43 -05:00
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@github-actions[bot] commented on GitHub (Dec 5, 2025):

This issue might be a duplicate of existing issues. Please check:

  • #4818: Heavy CPU Usage and making my M1 mac laggy after updating
  • #4804: High CPU usage
  • #5094: OpenCode TUI loses connection with server
  • #4587: opencode hangs until it eventually times out
  • #4586: $EDITOR keystrokes/redraw lag

Feel free to ignore if none of these address your specific case.

@github-actions[bot] commented on GitHub (Dec 5, 2025): This issue might be a duplicate of existing issues. Please check: - #4818: Heavy CPU Usage and making my M1 mac laggy after updating - #4804: High CPU usage - #5094: OpenCode TUI loses connection with server - #4587: opencode hangs until it eventually times out - #4586: $EDITOR keystrokes/redraw lag Feel free to ignore if none of these address your specific case.
yindo commented 2026-02-16 17:39:43 -05:00
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@klaudworks commented on GitHub (Dec 12, 2025):

same issue here

@klaudworks commented on GitHub (Dec 12, 2025): same issue here
yindo commented 2026-02-16 17:39:43 -05:00
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@juanavilactn commented on GitHub (Jan 9, 2026):

same here, M1 seems to be the problem, not reproduced in M4

@juanavilactn commented on GitHub (Jan 9, 2026): same here, M1 seems to be the problem, not reproduced in M4
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Reference: anomalyco/opencode#3342
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