anthropics / anthropics/claude-code

[Bug] Line duplication and content loss on scroll up

Open
#92,919 0 comments 0 reactions 0 assignees View on GitHub
area:tui bug platform:macos
Dominant language
Python
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Forks
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PR merge metrics
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Description

**Bug Description**
just above the top of the screen, if I scroll up a few lines, it duplicates a line and loses some lines

Image

**Environment Info**
- Platform: darwin
- Terminal: ghostty
- Version: 2.1.263
- Feedback ID: e4297a16-d2a6-492a-b9af-b895400461fa

**Errors**
```json
[]
```

Contributor guide

No contributing guide indexed for this repository

Research direction

No source file or test is identified in the issue. First reproduce the problem on darwin using Ghostty and Claude Code 2.1.263 while scrolling upward near the top of the screen, then trace the terminal rendering path. Done means upward scrolling no longer duplicates a line or loses content.

Written by the indexing model from the issue text.

Assessment

Domain
cli
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Active
Clarity
Needs clarification
Newbie friendliness
35/100

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