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Terminal gets messed up when there is grapheme #22425

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opened 2026-01-31 08:12:52 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 08:12:52 +00:00
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Originally created by @cyruspyre on GitHub (Oct 19, 2024).

Windows Terminal version

1.20.11781.0

Windows build number

10.0.22621.0

Other Software

No response

Steps to reproduce

Type any grapheme cluster

https://github.com/user-attachments/assets/ef21bd1a-870a-44e9-a03c-ebcf9c832ce9

Expected Behavior

It should look like this without all the invalid spaces and cursor movement
Image

Actual Behavior

https://github.com/user-attachments/assets/ef21bd1a-870a-44e9-a03c-ebcf9c832ce9

Originally created by @cyruspyre on GitHub (Oct 19, 2024). ### Windows Terminal version 1.20.11781.0 ### Windows build number 10.0.22621.0 ### Other Software _No response_ ### Steps to reproduce Type any grapheme cluster https://github.com/user-attachments/assets/ef21bd1a-870a-44e9-a03c-ebcf9c832ce9 ### Expected Behavior It should look like this without all the invalid spaces and cursor movement ![Image](https://github.com/user-attachments/assets/57144868-45b8-4d22-aad1-bbb9a98b2a82) ### Actual Behavior https://github.com/user-attachments/assets/ef21bd1a-870a-44e9-a03c-ebcf9c832ce9
claunia added the Needs-TriageIssue-Bug labels 2026-01-31 08:12:52 +00:00
claunia commented 2026-01-31 08:12:53 +00:00
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@DHowett commented on GitHub (Oct 19, 2024):

Grapheme cluster support is not present in 1.20! It is available in a newer version of Terminal. You can check the Releases page on this repository to find out more!

@DHowett commented on GitHub (Oct 19, 2024): Grapheme cluster support is not present in 1.20! It is available in a newer version of Terminal. You can check the Releases page on this repository to find out more!
claunia commented 2026-01-31 08:12:53 +00:00
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@lhecker commented on GitHub (Oct 21, 2024):

It may also be worth mentioning that PowerShell itself has no support for complex graphemes yet. You can test it in other shells that do, including cmd.exe

@lhecker commented on GitHub (Oct 21, 2024): It may also be worth mentioning that PowerShell itself has no support for complex graphemes yet. You can test it in other shells that do, including cmd.exe
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Reference: starred/terminal#22425
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