fix: don't set el for cached text nodes

edison1105 · edison1105 · commit 91537c8b9a97 · 2025-07-24T15:35:48.000+08:00
diff --git a/packages/runtime-core/src/renderer.ts b/packages/runtime-core/src/renderer.ts
@@ -2496,7 +2496,11 @@ export function traverseStaticChildren(
           traverseStaticChildren(c1, c2)
       }
       // #6852 also inherit for text nodes
-      if (c2.type === Text) {
+      if (
+        c2.type === Text &&
+        // avoid cached text nodes retaining detached dom nodes
+        c2.patchFlag !== PatchFlags.CACHED
+      ) {
         c2.el = c1.el
       }
       // #2324 also inherit for comment nodes, but not placeholders (e.g. v-if which

Original file line number	Diff line number	Diff line change
`@@ -2496,7 +2496,11 @@ export function traverseStaticChildren(`
`2496`	`2496`	`traverseStaticChildren(c1, c2)`
`2497`	`2497`	`}`
`2498`	`2498`	`// #6852 also inherit for text nodes`
`2499`		`- if (c2.type === Text) {`
	`2499`	`+ if (`
	`2500`	`+ c2.type === Text &&`
	`2501`	`+ // avoid cached text nodes retaining detached dom nodes`
	`2502`	`+ c2.patchFlag !== PatchFlags.CACHED`
	`2503`	`+ ) {`
`2500`	`2504`	`c2.el = c1.el`
`2501`	`2505`	`}`
`2502`	`2506`	`// #2324 also inherit for comment nodes, but not placeholders (e.g. v-if which`