Windows Terminal (Preview) crashes with wrapped text #11998

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opened 2026-01-31 03:03:28 +00:00 by claunia · 0 comments
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Originally created by @myabc on GitHub (Jan 10, 2021).

Originally assigned to: @carlos-zamora on GitHub.

N.B. This issue has also been reported via Feedback Hub link https://aka.ms/AAa8g4n (video/screenshots have been uploaded; posted 2 months ago, but still no resolution)

Environment

Windows build number: 10.0.19042.0
Windows Terminal version: 1.5.3242.0

Any other software?
Windows Terminal version: 1.4.3243.0

Steps to reproduce

  1. Open new Windows Terminal tab or window (using Windows Powershell in this case)

  2. Paste a long text string WITHOUT pressing ENTER.

    For example, this string (H/T http://powershell-guru.com/): Get-ChildItem -Path C:\Demo -Filter *.cs | Rename-Item -NewName {[System.IO.Path]::ChangeExtension($_.Name, ".kt")}

    Any long string of ASCII characters should also reproduce issue: XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX-

    The text will soft wrap in a standard Windows Terminal configuration (12pt text)

  3. Press backspace and begin deleting the text.

Expected behavior

The cursor should move up a line. Windows Terminal should not crash.

Actual behavior

Windows Terminal crashes just before the cursor moves up a line, or in other words, just before the character where the text is wrapped.

NOTE: This only appears to happen when there is one tab open.

Originally created by @myabc on GitHub (Jan 10, 2021). Originally assigned to: @carlos-zamora on GitHub. <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. If this is an application crash, please also provide a Feedback Hub submission link so we can find your diagnostic data on the backend. Use the category "Apps > Windows Terminal (Preview)" and choose "Share My Feedback" after submission to get the link. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> ❗ N.B. This issue has also been reported via **Feedback Hub link** https://aka.ms/AAa8g4n (video/screenshots have been uploaded; posted 2 months ago, but still no resolution) # Environment ```none Windows build number: 10.0.19042.0 Windows Terminal version: 1.5.3242.0 Any other software? Windows Terminal version: 1.4.3243.0 ``` # Steps to reproduce 1. Open new Windows Terminal tab or window (using Windows Powershell in this case) 2. Paste a long text string WITHOUT pressing ENTER. For example, this string (H/T http://powershell-guru.com/): `Get-ChildItem -Path C:\Demo -Filter *.cs | Rename-Item -NewName {[System.IO.Path]::ChangeExtension($_.Name, ".kt")}` Any long string of ASCII characters should also reproduce issue: `XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX- ` The text will soft wrap in a standard Windows Terminal configuration (12pt text) 3. Press backspace and begin deleting the text. # Expected behavior The cursor should move up a line. Windows Terminal should not crash. # Actual behavior Windows Terminal crashes just before the cursor moves up a line, or in other words, just before the character where the text is wrapped. _NOTE: This only appears to happen when there is one tab open._
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Reference: starred/terminal#11998