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distribute conhost fixes with Windows 10 #21878

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opened 2026-01-31 07:57:14 +00:00 by claunia · 0 comments
claunia commented 2026-01-31 07:57:14 +00:00
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Originally created by @mintty on GitHub (Jun 20, 2024).

Originally assigned to: @DHowett on GitHub.

Windows Terminal version

conhost of Windows 10

Windows build number

Windows 10

Other Software

No response

Steps to reproduce

Run a terminal application (not Windows Terminal), let's say Git bash from Git-for-Windows.
Run a Windows shell (like wsl.exe, cmd or powershell).
Output (cat or type) a text file with ANSI escape sequences for bold, reverse, and both.

Expected Behavior

Proper rendering of character attributes, also in combination with colour attributes, true colour etc.

Actual Behavior

Attribute rendering is broken because escape sequences are mangled.
Bold is forced to render white.

Related issues

https://github.com/microsoft/terminal/issues/12806
https://github.com/microsoft/terminal/issues/2837
https://github.com/microsoft/terminal/issues/1817

Note

This bug was fixed in conhost for Windows 11. A fixed conhost.exe should also be updated for Windows 10.

Originally created by @mintty on GitHub (Jun 20, 2024). Originally assigned to: @DHowett on GitHub. ### Windows Terminal version conhost of Windows 10 ### Windows build number Windows 10 ### Other Software _No response_ ### Steps to reproduce Run a terminal application (not Windows Terminal), let's say Git bash from Git-for-Windows. Run a Windows shell (like wsl.exe, cmd or powershell). Output (cat or type) a text file with ANSI escape sequences for bold, reverse, and both. ### Expected Behavior Proper rendering of character attributes, also in combination with colour attributes, true colour etc. ### Actual Behavior Attribute rendering is broken because escape sequences are mangled. Bold is forced to render white. ### Related issues https://github.com/microsoft/terminal/issues/12806 https://github.com/microsoft/terminal/issues/2837 https://github.com/microsoft/terminal/issues/1817 ### Note This bug was fixed in conhost for Windows 11. A fixed conhost.exe should also be updated for Windows 10.
claunia added the Needs-TriageIssue-Bug labels 2026-01-31 07:57:14 +00:00
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Reference: starred/terminal#21878
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