docs: release notes for the v21.2.14 release

Author: leonsenft

CHANGELOG.md

@@ -1,3 +1,23 @@
+<a name="21.2.14"></a>
+# 21.2.14 (2026-05-20)
+### compiler
+| Commit | Type | Description |
+| -- | -- | -- |
+| [68282dff9f](https://github.com/angular/angular/commit/68282dff9f9ef46540cca4bd38fc1ab739c8a783) | fix | strip namespaced SVG script elements during template compilation |
+### core
+| Commit | Type | Description |
+| -- | -- | -- |
+| [c0f52272ed](https://github.com/angular/angular/commit/c0f52272ed337d4776bd4178cbbdc7f32037500f) | fix | do not insert todo when migrating void @Output |
+| [938a7f3edd](https://github.com/angular/angular/commit/938a7f3eddda97a39edb9edcc8b4dd970858b3a2) | fix | makes resource URL sanitizer lookup case-insensitive |
+| [0fb2724194](https://github.com/angular/angular/commit/0fb272419407a64a0a47096b03a911f4e7e83d79) | fix | reject script element as a dynamic component host |
+| [49113ac0ef](https://github.com/angular/angular/commit/49113ac0eff852d987b5acb28a9bbda0242842cd) | fix | visit ICU expressions in signal migration schematics |
+### router
+| Commit | Type | Description |
+| -- | -- | -- |
+| [099bf577ee](https://github.com/angular/angular/commit/099bf577ee8f0bab60593a8fd2a1de7d298e3cd6) | fix | skip scroll-to-top on initial navigation when hydrating |
+
+<!-- CHANGELOG SPLIT MARKER -->
+
 <a name="22.0.0-rc.0"></a>
 # 22.0.0-rc.0 (2026-05-13)
 ### compiler