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Terminal UI hangs up in certain scenarios. Inputs accepted, and being interpreted by OS, but UI never updates #23411

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opened 2026-01-31 08:41:25 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 08:41:25 +00:00
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Originally created by @PMPP on GitHub (Jul 2, 2025).

Windows Terminal version

1.22.11141.0

Windows build number

10.0.26100.4484

Other Software

Nvidia Drivers for RTX 4090 version 576.88
A 4K screen
Windows UI scaling to 150%

Steps to reproduce

  • Load a game on steam (in my case Risk of Rain 2, a lot of fun)
  • Alt+tab back to desktop
  • Open Terminal into a Ubuntu distro or windows cmd, doesn't really matter
  • Have the terminal in fullscreen, or not, also doesn't seem to really matter
  • Start typing for a while, for me it seems it takes few seconds ,~10seconds, sometimes it seems its the amount of characters that got output, like 10 lines. I can't really tell which happens first
  • Doing a ctrl+c to cancel and have clean prompt, then type "exit", the terminal shows me the prompt that I can change the default behavior of when a tab process ends, which suggests the inputs are being received by ubuntu/cmd, and the shell is indeed being terminated, despite the lack of updates in the UI (I can still create new tabs
  • Sometimes the entire terminal hangs, showing on the title of the window that is not responding. Trying to close it results in a crash report by windows being processed.

Expected Behavior

The UI should also reflect the state of the shell

Actual Behavior

The ui stops rendering any updates of the state of the shell

https://github.com/user-attachments/assets/28bf50a2-a25f-4995-aeaf-86c02968a015

In some occasions in the past, I faced the same issue when in Teams calls with screensharing (my own screen) active. That is more problematic since it's for work, but not as easy to reproduce. With the game I can consistently reproduce.

Originally created by @PMPP on GitHub (Jul 2, 2025). ### Windows Terminal version 1.22.11141.0 ### Windows build number 10.0.26100.4484 ### Other Software Nvidia Drivers for RTX 4090 version 576.88 A 4K screen Windows UI scaling to 150% ### Steps to reproduce - Load a game on steam (in my case Risk of Rain 2, a lot of fun) - Alt+tab back to desktop - Open Terminal into a Ubuntu distro or windows cmd, doesn't really matter - Have the terminal in fullscreen, or not, also doesn't seem to really matter - Start typing for a while, for me it seems it takes few seconds ,~10seconds, sometimes it seems its the amount of characters that got output, like 10 lines. I can't really tell which happens first - Doing a `ctrl+c` to cancel and have clean prompt, then type "exit", the terminal shows me the prompt that I can change the default behavior of when a tab process ends, which suggests the inputs are being received by ubuntu/cmd, and the shell is indeed being terminated, despite the lack of updates in the UI (I can still create new tabs - Sometimes the entire terminal hangs, showing on the title of the window that is not responding. Trying to close it results in a crash report by windows being processed. ### Expected Behavior The UI should also reflect the state of the shell ### Actual Behavior The ui stops rendering any updates of the state of the shell https://github.com/user-attachments/assets/28bf50a2-a25f-4995-aeaf-86c02968a015 In some occasions in the past, I faced the same issue when in Teams calls with screensharing (my own screen) active. That is more problematic since it's for work, but not as easy to reproduce. With the game I can consistently reproduce.
claunia added the Needs-TriageIssue-Bug labels 2026-01-31 08:41:25 +00:00
claunia commented 2026-01-31 08:41:26 +00:00
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@similar-issues-ai[bot] commented on GitHub (Jul 2, 2025):

We've found some similar issues:

  • #18040 , similarity score: 81%

If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue.

Note: You can give me feedback by 👍 or 👎 this comment.

@similar-issues-ai[bot] commented on GitHub (Jul 2, 2025): We've found some similar issues: - #18040 , similarity score: 81% If any of the above are duplicates, please consider closing this issue out and adding additional context in the original issue. > Note: You can give me feedback by 👍 or 👎 this comment.
claunia commented 2026-01-31 08:41:26 +00:00
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@PMPP commented on GitHub (Jul 2, 2025):

Ok, it is indeed a duplicate of Terminal Unresponsive when Playing Games #18040.

Reading it I applied the fix of having some transparency in the window and that solved it for me:

  • Settings > Pick your profile > [Additional Settings > Appearance] > Scroll to transparency, and have "background opacity" to any value other than 100%
@PMPP commented on GitHub (Jul 2, 2025): Ok, it is indeed a duplicate of [Terminal Unresponsive when Playing Games #18040](https://github.com/microsoft/terminal/issues/18040). Reading it I applied the fix of having some transparency in the window and that solved it for me: - Settings > Pick your profile > [Additional Settings > Appearance] > Scroll to transparency, and have "background opacity" to any value other than 100%
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