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Escape sequences appearing on new Ubuntu panes #23853

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opened 2026-01-31 08:54:21 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 08:54:21 +00:00
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Originally created by @cinnamon-msft on GitHub (Dec 3, 2025).

Originally assigned to: @lhecker on GitHub.

Windows Terminal version

1.25.3351.0

Windows build number

25H2 26220.7070

Other Software

No response

Steps to reproduce

Use Windows Terminal Canary
Open a new Ubuntu pane
Toggle pane zoom on the Ubuntu pane

Expected Behavior

No weird escape sequences appearing in the prompt :)

Actual Behavior

Upon opening a new pane:
Image

After toggling pane zoom, new characters appear in the prompt:

Image Image
Originally created by @cinnamon-msft on GitHub (Dec 3, 2025). Originally assigned to: @lhecker on GitHub. ### Windows Terminal version 1.25.3351.0 ### Windows build number 25H2 26220.7070 ### Other Software _No response_ ### Steps to reproduce Use Windows Terminal Canary Open a new Ubuntu pane Toggle pane zoom on the Ubuntu pane ### Expected Behavior No weird escape sequences appearing in the prompt :) ### Actual Behavior Upon opening a new pane: <img width="1120" height="658" alt="Image" src="https://github.com/user-attachments/assets/04ef0601-f001-47eb-a592-ea2c9d974f4e" /> After toggling pane zoom, new characters appear in the prompt: <img width="1115" height="654" alt="Image" src="https://github.com/user-attachments/assets/223dd69a-7340-4981-b08b-ed537b3193dd" /> <img width="1115" height="654" alt="Image" src="https://github.com/user-attachments/assets/eeecd656-9be4-41a4-baa9-3a88d9f367f9" />
claunia added the Issue-BugArea-VTProduct-ConptyPriority-0 labels 2026-01-31 08:54:22 +00:00
claunia commented 2026-01-31 08:54:23 +00:00
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@DHowett commented on GitHub (Dec 3, 2025):

@lhecker this is the one I've been hitting as well, and which you looked into

potential regression from #19535

@DHowett commented on GitHub (Dec 3, 2025): @lhecker this is the one I've been hitting as well, and which you looked into potential regression from #19535
claunia commented 2026-01-31 08:54:23 +00:00
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@j4james commented on GitHub (Dec 4, 2025):

Note that #19575 has a similar problem. You can see they're getting a bunch of characters injected into the shell which look like half a CPR report.

@j4james commented on GitHub (Dec 4, 2025): Note that #19575 has a similar problem. You can see they're getting a bunch of characters injected into the shell which look like half a CPR report.
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Reference: starred/terminal#23853
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