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Invalid text highlighting #23355

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opened 2026-01-31 08:39:55 +00:00 by claunia · 1 comment
claunia commented 2026-01-31 08:39:55 +00:00
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Originally created by @danylo-volchenko on GitHub (Jun 13, 2025).

Originally assigned to: @lhecker on GitHub.

Windows Terminal version

1.22.11141.0

Windows build number

10.0.26100.0

Other Software

  • WSL version: 2.5.7.0
  • Kernel version: 6.6.87.1-1 WSLg version: 1.0.66 MSRDC version: 1.2.6074
  • Direct3D version: 1.611.1-81528511
  • DXCore version: 10.0.26100.1-240331-1435.ge-release
  • Windows version: 10.0.26100.4349
  • NVIM v0.11.1 Build type: Release LuaJIT 2.1.1741730670

Steps to reproduce

Use JetBrains NerdFont in vim/neovim, observe corruption in text highlighting

Image

My settings.json of windows terminal

settings.json

Expected Behavior

Adequate grey color, not a big deal.
Works on Ubuntu 20.04LTS with Kitty terminal emulator, editor config is the same on both setups (Linux & Windows).

Actual Behavior

Strange white-colored parts of symbols, sometimes it's half-symbol, sometimes full symbol is white for some reason.

Originally created by @danylo-volchenko on GitHub (Jun 13, 2025). Originally assigned to: @lhecker on GitHub. ### Windows Terminal version 1.22.11141.0 ### Windows build number 10.0.26100.0 ### Other Software - WSL version: 2.5.7.0 - Kernel version: 6.6.87.1-1 WSLg version: 1.0.66 MSRDC version: 1.2.6074 - Direct3D version: 1.611.1-81528511 - DXCore version: 10.0.26100.1-240331-1435.ge-release - Windows version: 10.0.26100.4349 - NVIM v0.11.1 Build type: Release LuaJIT 2.1.1741730670 ### Steps to reproduce Use JetBrains NerdFont in vim/neovim, observe corruption in text highlighting ![Image](https://github.com/user-attachments/assets/d986f5c6-1a27-4824-8cc2-98391fb3182e) ### My settings.json of windows terminal [settings.json](https://github.com/user-attachments/files/20731980/settings.json) ### Expected Behavior Adequate grey color, not a big deal. Works on Ubuntu 20.04LTS with Kitty terminal emulator, editor config is the same on both setups (Linux & Windows). ### Actual Behavior Strange white-colored parts of symbols, sometimes it's half-symbol, sometimes full symbol is white for some reason.
claunia added the Area-RenderingIssue-BugPriority-3Impact-VisualProduct-Terminal labels 2026-01-31 08:39:55 +00:00
claunia commented 2026-01-31 08:39:56 +00:00
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@DHowett commented on GitHub (Jun 13, 2025):

@lhecker this is one of those weird overhang cases - the italic glyphs are larger than the non-italic bounding box by just enough to trigger our cellwise painting logic. hmm.

@DHowett commented on GitHub (Jun 13, 2025): @lhecker this is one of those weird overhang cases - the italic glyphs are larger than the non-italic bounding box by just enough to trigger our _cellwise painting_ logic. hmm.
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Reference: starred/terminal#23355
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