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Tab characater rendering doesn't align well. #21096

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opened 2026-01-31 07:33:01 +00:00 by claunia · 2 comments
claunia commented 2026-01-31 07:33:01 +00:00
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Originally created by @yslib on GitHub (Jan 13, 2024).

Windows Terminal version

1.18.3181.0

Windows build number

10.0.23612.1000

Other Software

ArchWSL
Oh-My-Zsh Configure
Hack Nerd Font

Steps to reproduce

Rendering some nerd glyphs or tab characters in WT. Both in default text engine and AtlasEngine

Expected Behavior

These Hack Nerd Font glyph should be aligned in any scaling.

Actual Behavior

When using small zooming scale in Windows Terminal, the corner tab character appears in the panel border (ohmyzsh powerline10k prompt, lazygit panel or neovim panel) seems not aligned well compared to the same glyph rendering in Alacritty.

At small scaling
image
image

But at relatively large scaling, it's ok
image

In Alacritty, the same glyph works well for any scaling
image
image
image

The p10k theme prompt rendering in alacritty is better than it in WT, but it still not as perfect as it in real Linux.

Originally created by @yslib on GitHub (Jan 13, 2024). ### Windows Terminal version 1.18.3181.0 ### Windows build number 10.0.23612.1000 ### Other Software ArchWSL Oh-My-Zsh Configure Hack Nerd Font ### Steps to reproduce Rendering some nerd glyphs or tab characters in WT. Both in default text engine and AtlasEngine ### Expected Behavior These Hack Nerd Font glyph should be aligned in any scaling. ### Actual Behavior When using small zooming scale in Windows Terminal, the corner tab character appears in the panel border (ohmyzsh powerline10k prompt, lazygit panel or neovim panel) seems not aligned well compared to the same glyph rendering in Alacritty. At small scaling ![image](https://github.com/microsoft/terminal/assets/9605622/b0e6c9ae-0280-411f-97ad-3123861e2a67) ![image](https://github.com/microsoft/terminal/assets/9605622/21aa4cb9-45d1-47d2-ab5c-30a45359a8bf) But at relatively large scaling, it's ok ![image](https://github.com/microsoft/terminal/assets/9605622/7f834c8a-c4ce-4eea-adc0-580ff1ee8d3d) In Alacritty, the same glyph works well for any scaling ![image](https://github.com/microsoft/terminal/assets/9605622/90268e85-9d6d-4d71-ae94-8e10d78222b0) ![image](https://github.com/microsoft/terminal/assets/9605622/6922d9f9-7334-444c-8fac-1d274dc6f382) ![image](https://github.com/microsoft/terminal/assets/9605622/27f4ab63-04d2-44d0-a270-7bb78bdb8daa) The p10k theme prompt rendering in alacritty is better than it in WT, but it still not as perfect as it in real Linux.
claunia added the Issue-BugResolution-Duplicate labels 2026-01-31 07:33:01 +00:00
claunia commented 2026-01-31 07:33:02 +00:00
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@lhecker commented on GitHub (Jan 15, 2024):

Thanks for the report! We're already aware about this issue and are tracking it here: #5897
We haven't gotten to addressing it yet unfortunately. 😓 The shift at smaller sizes occurs due to hinting (to make the font crispier when it doesn't perfectly align with the pixels). Fixing it requires drawing our own custom box drawing glyphs.

/dup #5897

@lhecker commented on GitHub (Jan 15, 2024): Thanks for the report! We're already aware about this issue and are tracking it here: #5897 We haven't gotten to addressing it yet unfortunately. 😓 The shift at smaller sizes occurs due to hinting (to make the font crispier when it doesn't perfectly align with the pixels). Fixing it requires drawing our own custom box drawing glyphs. /dup #5897
claunia commented 2026-01-31 07:33:02 +00:00
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@microsoft-github-policy-service[bot] commented on GitHub (Jan 15, 2024):

Hi! We've identified this issue as a duplicate of another one that already exists on this Issue Tracker. This specific instance is being closed in favor of tracking the concern over on the referenced thread. Thanks for your report!

@microsoft-github-policy-service[bot] commented on GitHub (Jan 15, 2024): Hi! We've identified this issue as a duplicate of another one that already exists on this Issue Tracker. This specific instance is being closed in favor of tracking the concern over on the referenced thread. Thanks for your report! <!-- Policy app identification https://img.shields.io/static/v1?label=PullRequestIssueManagement. -->
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Reference: starred/terminal#21096
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