fix: only enable ast reuse for vue 3.4.3+

packages/plugin-vue/src/template.ts

@@ -186,7 +186,9 @@ export function resolveTemplateCompilerOptions(
   return {
     ...options.template,
     id,
-    ast: descriptor.template?.ast,
+    ast: canReuseAST(options.compiler.version)
+      ? descriptor.template?.ast
+      : undefined,
     filename,
     scoped: hasScoped,
     slotted: descriptor.slotted,
@@ -206,3 +208,17 @@ export function resolveTemplateCompilerOptions(
     },
   }
 }
+
+/**
+ * Versions before 3.4.3 have issues when the user has passed additional
+ * tempalte parse options e.g. `isCustomElement`.
+ */
+function canReuseAST(version: string | undefined) {
+  if (version) {
+    const [_, minor, patch] = version.split('.').map(Number)
+    if (minor >= 4 && patch >= 3) {
+      return true
+    }
+  }
+  return false
+}