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Claude Code & Codex rendering problems. #9838
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area:shell-terminalTerminal input/output, shell integration, prompt behavior, and block rendering.Terminal input/output, shell integration, prompt behavior, and block rendering.area:ui-frameworkCore Warp UI framework, rendering, layout, and windowing infrastructure.Core Warp UI framework, rendering, layout, and windowing infrastructure.area:window-tabs-panesWindow, tab, pane, and workspace layout management.Window, tab, pane, and workspace layout management.bugSomething isn't working.Something isn't working.os:macmacOS-specific behavior, regressions, or requests.macOS-specific behavior, regressions, or requests.ready-to-implementThe issue is ready for implementation work.The issue is ready for implementation work.repro:highThe report includes enough evidence that the issue appears highly reproducible.The report includes enough evidence that the issue appears highly reproducible.triagedIssue has received an initial automated triage pass.Issue has received an initial automated triage pass.
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area:shell-terminalTerminal input/output, shell integration, prompt behavior, and block rendering.Terminal input/output, shell integration, prompt behavior, and block rendering.area:ui-frameworkCore Warp UI framework, rendering, layout, and windowing infrastructure.Core Warp UI framework, rendering, layout, and windowing infrastructure.area:window-tabs-panesWindow, tab, pane, and workspace layout management.Window, tab, pane, and workspace layout management.bugSomething isn't working.Something isn't working.os:macmacOS-specific behavior, regressions, or requests.macOS-specific behavior, regressions, or requests.ready-to-implementThe issue is ready for implementation work.The issue is ready for implementation work.repro:highThe report includes enough evidence that the issue appears highly reproducible.The report includes enough evidence that the issue appears highly reproducible.triagedIssue has received an initial automated triage pass.Issue has received an initial automated triage pass.
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Describe the bug
I absolutely love using Warp, but especially when I’m trying to write code in Claude Code or Codex, even the smallest change on the screen breaks the rendering. My whole screen basically fills up with duplicated content — the same text and logos start repeating over and over, and it becomes unusable. As soon as I resize the page in Warp, even just once, I run into this issue. Because of that, I’m not able to use Warp properly.
To reproduce
Open Claude Code in Warp, make it full screen, then resize it back down, or snap it to the left and then maximize it again — the issue happens right away.
Expected behavior
No response
Screenshots, videos, and logs
Operating system (OS)
macOS
Operating system and version
Tahoe
Shell Version
No response
Current Warp version
v0.2026.04.27.15.32.stable_03
Regression
No, this bug or issue has existed throughout my experience using Warp
Recent working Warp date
No response
Additional context
No response
Does this block you from using Warp daily?
Yes, this issue prevents me from using Warp daily.
Is this an issue only in Warp?
Yes, I confirmed that this only happens in Warp, not other terminals.
Warp Internal (ignore): linear-label:b9d78064-c89e-4973-b153-5178a31ee54e
None