Unity Issue Tracker - The text font falls back on a different font depending on the fallback font used

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Under Consideration for 6000.0.X, 6000.2.X, 6000.3.X, 6000.4.X

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Issue ID

Regression

The text font falls back on a different font depending on the fallback font used

-

Dec 01, 2025

How to reproduce:

Open the “TMPBugReport.zip“ project
Open the “BugRepro“ Scene
Observe the second line of text in the Game view (it is a bolded “Inter” font)
Find “Assets/Fonts/Latin/Inter/Inter400Regular SDF.asset” in the Project tab and select it
In the Inspector, change the fallback Font from “NotoNaskhArabic-Bold SDF“ to “NotoNaskhArabic-Regular SDF“
Observe the second line of text in the Game view

Actual result: it becomes a bolded “NotoNaskhArabic-Regular SDF” font
Expected result: It stays the same, bolded “Inter“ font

Reproducible in: 6000.0.63f1, 6000.1.0a9 (0115cb901a32), 6000.2.15f1, 6000.3.0f1, 6000.4.0a5, 6000.5.0a2
Not reproducible in: 6000.1.0a8

Reproduced on: Windows 11 Pro (25H2)
Not reproduced on: No other environment tested