1.22.1 release notes

Author: VesaJuvonen

docs/spfx/release-1.22.1.md

@@ -0,0 +1,48 @@
+---
+title: SharePoint Framework v1.22.1 release notes
+description: Release notes for the SharePoint Framework v1.22.1 release
+ms.date: 12/15/2025
+ms.localizationpriority: high
+---
+# SharePoint Framework v1.22.1 release notes
+
+This is a _minor bump_ that fixes an issue where the a full screen error overlay was being displayed for runtime errors unrelated to third-party code.
+
+> [!TIP]
+> It's safe to keep on using SharePoint Framework 1.22 version, but we do recommend using always the latest version in the production, which in this case would be the 1.22.1, which has fix on the reported GitHub issues as listed below.
+
+**Released:** December 15, 2025
+
+[!INCLUDE [spfx-release-notes-common](../../includes/snippets/spfx-release-notes-common.md)]
+
+## Install the latest version
+
+Install the latest release of the SharePoint Framework (SPFx) by including the **@latest** tag:
+
+```console
+npm install @microsoft/generator-sharepoint@next --global
+```
+
+## Upgrading projects from v1.22 to v1.22.1
+
+In the project's **package.json** file, identify all SPFx v1.22 packages. For each SPFx package:
+
+1. Uninstall the existing v1.22 package:
+
+    ```console
+    npm uninstall @microsoft/{spfx-package-name}@1.22
+    ```
+
+1. Install the new v1.22.1 package:
+
+    ```console
+    npm install @microsoft/{spfx-package-name}@latest --save --save-exact
+    ```
+
+[!INCLUDE [spfx-release-upgrade-tip](../../includes/snippets/spfx-release-upgrade-tip.md)]
+
+## Fixed Issues
+
+Here's a list of specific issues fixed around SharePoint Framework since the previous public release.
+
+- [#10525](https://github.com/SharePoint/sp-dev-docs/issues/10525) - [SPFx 1.22.0] - Uncaught runtime errors

docs/toc.yml

@@ -496,6 +496,8 @@
     items:
     - name: Overview
       href: spfx/roadmap.md
+    - name: SPFx v1.22.1 - December 15, 2025
+      href: spfx/release-1.22.1.md      
     - name: SPFx v1.22 - December 10, 2025
       href: spfx/release-1.22.md
     - name: SPFx v1.21.1 - May 3, 2025