Update changelog

fisker · fisker · commit ab077793c20d · 2026-04-10T09:58:00.000+08:00
diff --git a/changelog_unreleased/angular/18722.md b/changelog_unreleased/angular/18722.md
@@ -1,4 +1,26 @@
-#### Support Angular v21.2 (#18722 by @fisker)
+#### Support Angular v21.2 (#18722, #19034 by @fisker)
+
+Exhaustive typechecking with `@default never;`
+
+<!-- prettier-ignore -->
+```html
+<!-- Input -->
+@switch (foo) {
+  @case (1) {}
+  @default never;
+}
+
+<!-- Prettier stable -->
+SyntaxError: Incomplete block "default never". If you meant to write the @ character, you should use the "&#64;" HTML entity instead. (3:3)
+
+<!-- Prettier main -->
+@switch (foo) {
+  @case (1) {}
+  @default never;
+}
+```
+
+`arrow function` and `instanceof` expressions.
 
 <!-- prettier-ignore -->
 ```html
