From b8db96254347bef318b62dca54996a4f9a76ee08 Mon Sep 17 00:00:00 2001
From: "Brittany L. Houtz" <55068883+llastflowers@users.noreply.github.com>
Date: Thu, 21 May 2026 16:19:13 -0700
Subject: [PATCH] Set `text-rendering: optimizeSpeed` globally to fix font
 fallback bug (#3063)

* set text-rendering: optimizeSpeed globally to fix font fallback bug

* Create healthy-nails-repair.md

* tweak implementation per copilot suggestion

* revert previous change that scoped this rule to webkit; no longer appears necessary
---
 .changeset/healthy-nails-repair.md | 5 +++++
 src/base/base.scss                 | 1 +
 2 files changed, 6 insertions(+)
 create mode 100644 .changeset/healthy-nails-repair.md

diff --git a/.changeset/healthy-nails-repair.md b/.changeset/healthy-nails-repair.md
new file mode 100644
index 0000000000..6921e6bc07
--- /dev/null
+++ b/.changeset/healthy-nails-repair.md
@@ -0,0 +1,5 @@
+---
+"@primer/css": patch
+---
+
+Set `text-rendering: optimizeSpeed` globally to fix font fallback bug
diff --git a/src/base/base.scss b/src/base/base.scss
index 39b6e6b8f8..9df0ac97ee 100644
--- a/src/base/base.scss
+++ b/src/base/base.scss
@@ -19,6 +19,7 @@ body {
   line-height: $body-line-height;
   color: var(--fgColor-default, var(--color-fg-default));
   background-color: var(--bgColor-default, var(--color-canvas-default));
+  text-rendering: optimizeSpeed;
 }
 
 a {