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Windows terminal hangs under stress after resizing vertical pane to the minimum width #10311

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opened 2026-01-31 02:18:02 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 02:18:02 +00:00
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Originally created by @Treit on GitHub (Aug 26, 2020).

Environment

Windows build number: 10.0.20197.0
Windows Terminal version: 1.2.2381.0

Steps to reproduce

  1. Open Windows Terminal
  2. Press alt+shift+= to open a second vertical pane
  3. Build and run this TerminalStress application in the left-hand pane.
  4. While the stress test is running, press alt+shift+left arrow key to reduce the size of the pane. Repeat until the pane is reduced to the smallest possible width.

Expected behavior

The terminal does not hang.

Actual behavior

The terminal becomes unresponsive and hangs.

Originally created by @Treit on GitHub (Aug 26, 2020). # Environment ```none Windows build number: 10.0.20197.0 Windows Terminal version: 1.2.2381.0 ``` # Steps to reproduce 1. Open Windows Terminal 2. Press alt+shift+= to open a second vertical pane 3. Build and run this [TerminalStress](https://github.com/Treit/TerminalStress) application in the left-hand pane. 4. While the stress test is running, press `alt+shift+left arrow key` to reduce the size of the pane. Repeat until the pane is reduced to the smallest possible width. # Expected behavior The terminal does not hang. # Actual behavior The terminal becomes unresponsive and hangs.
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Reference: starred/terminal#10311
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