diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 3138462c4b7673..88f4b72b3d5eeb 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,5 +1,68 @@
 # @mdn/browser-compat-data release notes
 
+## [v5.6.26](https://github.com/mdn/browser-compat-data/releases/tag/v5.6.26)
+
+December 20, 2024
+
+### Removals
+
+- `api.MLContext.compute` ([#25449](https://github.com/mdn/browser-compat-data/pull/25449))
+- `api.SharedStorageOperation` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.SharedStorageRunOperation` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.SharedStorageRunOperation.run` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.SharedStorageSelectURLOperation` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.SharedStorageSelectURLOperation.run` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WindowSharedStorage` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WindowSharedStorage.run` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WindowSharedStorage.selectURL` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WindowSharedStorage.worklet` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.@@asyncIterator` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.context` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.entries` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.get` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.keys` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.length` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `api.WorkletSharedStorage.remainingBudget` ([#25450](https://github.com/mdn/browser-compat-data/pull/25450))
+- `html.global_attributes.hidden.until-found_value` ([#25471](https://github.com/mdn/browser-compat-data/pull/25471))
+
+### Additions
+
+- `browsers.safari_ios.releases.18.3` ([#25452](https://github.com/mdn/browser-compat-data/pull/25452))
+- `browsers.safari.releases.18.3` ([#25452](https://github.com/mdn/browser-compat-data/pull/25452))
+- `browsers.webview_ios.releases.18.3` ([#25452](https://github.com/mdn/browser-compat-data/pull/25452))
+- `css.properties.bottom.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset-block-end.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset-block-start.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset-block.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset-inline-end.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset-inline-start.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset-inline.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.inset.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.left.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-block-end.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-block-start.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-block.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-bottom.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-inline-end.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-inline-start.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-inline.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-left.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-right.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin-top.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.margin.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.right.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.properties.top.anchor-size` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `css.types.anchor-size.inset_margin` ([#25443](https://github.com/mdn/browser-compat-data/pull/25443))
+- `html.global_attributes.hidden.until-found` ([#25471](https://github.com/mdn/browser-compat-data/pull/25471))
+
+### Statistics
+
+- 10 contributors have changed 64 files with 996 additions and 790 deletions in 36 commits ([`v5.6.25...v5.6.26`](https://github.com/mdn/browser-compat-data/compare/v5.6.25...v5.6.26))
+- 16,749 total features
+- 1,120 total contributors
+- 5,035 total stargazers
+
 ## [v5.6.25](https://github.com/mdn/browser-compat-data/releases/tag/v5.6.25)
 
 December 17, 2024
diff --git a/package-lock.json b/package-lock.json
index 5b739fdc38ff45..1f5db0739500d3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@mdn/browser-compat-data",
-  "version": "5.6.25",
+  "version": "5.6.26",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@mdn/browser-compat-data",
-      "version": "5.6.25",
+      "version": "5.6.26",
       "hasInstallScript": true,
       "license": "CC0-1.0",
       "devDependencies": {
diff --git a/package.json b/package.json
index bfa17d94ed37d3..8660f0398b038e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdn/browser-compat-data",
-  "version": "5.6.25",
+  "version": "5.6.26",
   "description": "Browser compatibility data provided by MDN Web Docs",
   "main": "index.ts",
   "type": "module",