Insanely Laggy Scroll on long term usage (Not Recycling Current Buffer Text efficiently) #14479

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1. CypherpunkSamurai

   added

   bugSomething isn't workingSomething isn't working

   on Feb 20, 2026
2. github-actions commented on Feb 20, 2026

   

   github-actionsBot

   on Feb 20, 2026 – with GitHub Actions

   Contributor

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

   • Severe scroll lag in VSCode/Cursor integrated terminal on WSL2 after large output (unusable for minutes) #7893: Severe scroll lag in VSCode/Cursor integrated terminal after large output
   • OpenCode VS Code Extension: Great UI but severe lag on scroll translation + no pagination scrollbar #11115: Severe lag on scroll in long sessions
   • High CPU usage (100%+) during LLM streaming in long sessions due to O(n) text buffer rendering #6172: High CPU usage during LLM streaming in long sessions due to O(n) text buffer rendering
   • Add configurable scrollback/message limit to reduce TUI lag #9930: Add configurable scrollback/message limit to reduce TUI lag
   • Long prompt history stalls the app, long load time #3746: Long prompt history stalls the app / long load time
   • Scroll and outputs visibility problems, video #14213: Scroll and outputs visibility problems

   If your issue is different from the above, please add details explaining how it differs.
3. github-actions

   assigned

   kommander

   on Feb 20, 2026
4. github-actions

   added

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

   perfIndicates a performance issue or need for optimizationIndicates a performance issue or need for optimization

   windows

   on Feb 20, 2026
5. CypherpunkSamurai commented on Feb 20, 2026

   

   CypherpunkSamurai

   on Feb 20, 2026

   Author

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   closing. duplicate.
6. CypherpunkSamurai

   closed this as completedon Feb 20, 2026