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UI hangs when moderately-sized files are changed #7242

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opened 2026-02-16 18:06:33 -05:00 by yindo · 1 comment
yindo commented 2026-02-16 18:06:33 -05:00
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Originally created by @TrajansRow on GitHub (Jan 22, 2026).

Originally assigned to: @rekram1-node on GitHub.

Description

When opencode writes a file with a moderate number of number of lines (maybe 100k, or 4MB), the UI becomes unresponsive for an indefinite period of time. The only reliable way I have found to recover is to kill the opencode process and delete the session data.

Plugins

None

OpenCode version

1.1.32

Steps to reproduce

  1. In a Build phase, run the prompt "Curl a copy of the King James Bible into a text file"
  2. When done, select changed element from view, or relaunch opencode.
  3. opencode will no longer respond to any input.

Screenshot and/or share link

No response

Operating System

MacOS 26.2

Terminal

Desktop

Originally created by @TrajansRow on GitHub (Jan 22, 2026). Originally assigned to: @rekram1-node on GitHub. ### Description When opencode writes a file with a moderate number of number of lines (maybe 100k, or 4MB), the UI becomes unresponsive for an indefinite period of time. The only reliable way I have found to recover is to kill the opencode process and delete the session data. ### Plugins None ### OpenCode version 1.1.32 ### Steps to reproduce 1. In a Build phase, run the prompt "Curl a copy of the King James Bible into a text file" 2. When done, select changed element from view, or relaunch opencode. 3. opencode will no longer respond to any input. ### Screenshot and/or share link _No response_ ### Operating System MacOS 26.2 ### Terminal Desktop
yindo added the bugperfweb labels 2026-02-16 18:06:33 -05:00
yindo commented 2026-02-16 18:06:33 -05:00
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@github-actions[bot] commented on GitHub (Jan 22, 2026):

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

  • #4061: Session hangs after file write tool execution with massive latency spike

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

@github-actions[bot] commented on GitHub (Jan 22, 2026): This issue might be a duplicate of existing issues. Please check: - #4061: Session hangs after file write tool execution with massive latency spike Feel free to ignore if none of these address your specific case.
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Reference: anomalyco/opencode#7242
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