From 23361e24937b636a91ad6913e076d337f9ae9740 Mon Sep 17 00:00:00 2001
From: ChisakaKanako <chisakakanako@gmail.com>
Date: Tue, 22 Sep 2026 12:49:46 +0800
Subject: [PATCH] fix(theme): render focus blur correctly on WebKit 27 (#5462)
 (closes #5459)

---
 src/client/theme-default/styles/components/vp-doc.css | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/client/theme-default/styles/components/vp-doc.css b/src/client/theme-default/styles/components/vp-doc.css
index ec6a34692..a5ba52f7c 100644
--- a/src/client/theme-default/styles/components/vp-doc.css
+++ b/src/client/theme-default/styles/components/vp-doc.css
@@ -439,6 +439,7 @@
 }
 
 .vp-doc [class*='language-'] .has-focused-lines .line:not(.has-focus) {
+  will-change: filter;
   filter: blur(0.095rem);
   opacity: 0.4;
   transition: