JetBrains Mono Medium ligatures do not work #8812

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opened 2026-01-31 01:38:38 +00:00 by claunia · 0 comments
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Originally created by @TymekDev on GitHub (Jun 4, 2020).

Environment

Windows build number: 10.0.18362.836
Windows Terminal version: 1.0.1401.0
Font: JetBrains Mono Medium (v1.0.6)

Steps to reproduce

  1. Install JetBrains Mono font. Version does not seem to matter - I tried v1.0.0, v1.0.3 and v1.0.6 (latest).
  2. Set font face in profiles settings to "fontFace": "JetBrains Mono Medium".

Expected behavior

I expected the ligatures to work. The below image shows an example of "fontFace": "JetBrains Mono" where the ligatures work. I expected the same behavior for "fontFace": "JetBrains Mono Medium".

JetBrains Mono

I checked these fonts in RStudio Desktop's editor and there both, JetBrains Mono Medium and JetBrains Mono, displayed ligatures.

Actual behavior

In the "Medium" version of the font the ligatures do not work as shown below.

JetBrains Mono Medium

Originally created by @TymekDev on GitHub (Jun 4, 2020). # Environment ```none Windows build number: 10.0.18362.836 Windows Terminal version: 1.0.1401.0 Font: JetBrains Mono Medium (v1.0.6) ``` # Steps to reproduce 1. Install [JetBrains Mono font](https://github.com/JetBrains/JetBrainsMono/releases). Version does not seem to matter - I tried v1.0.0, v1.0.3 and v1.0.6 (latest). 2. Set font face in profiles settings to `"fontFace": "JetBrains Mono Medium"`. # Expected behavior I expected the ligatures to work. The below image shows an example of `"fontFace": "JetBrains Mono"` where the ligatures work. I expected the same behavior for `"fontFace": "JetBrains Mono Medium"`. ![JetBrains Mono](https://user-images.githubusercontent.com/38053499/83780829-f937ba80-a68d-11ea-885d-c8d44bc27f7b.png) I checked these fonts in RStudio Desktop's editor and there both, `JetBrains Mono Medium` and `JetBrains Mono`, displayed ligatures. # Actual behavior In the "Medium" version of the font the ligatures do not work as shown below. ![JetBrains Mono Medium](https://user-images.githubusercontent.com/38053499/83780781-e7eeae00-a68d-11ea-9e66-189862df620f.png)
claunia added the Resolution-Duplicate label 2026-01-31 01:38:38 +00:00
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Reference: starred/terminal#8812