From fd2268a4a94ee5dc810f746a143f1471a4213851 Mon Sep 17 00:00:00 2001
From: "Queen Vinyl Da.i'gyu-Kazotetsu" <vinyldarkscratch@gmail.com>
Date: Fri, 12 Apr 2024 12:20:33 -0700
Subject: [PATCH] Release v5.5.21 (#22822)

This release was generated by the project's release script.
---
 RELEASE_NOTES.md  | 21 +++++++++++++++++++++
 package-lock.json |  4 ++--
 package.json      |  2 +-
 3 files changed, 24 insertions(+), 3 deletions(-)

diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index a6b0898e6a11e3..371d7fc60f4bec 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,5 +1,26 @@
 # @mdn/browser-compat-data release notes
 
+## [v5.5.21](https://github.com/mdn/browser-compat-data/releases/tag/v5.5.21)
+
+April 12, 2024
+
+### Removals
+
+- `api.Headers.lexicographical_sorting` ([#22809](https://github.com/mdn/browser-compat-data/pull/22809))
+
+### Additions
+
+- `api.Headers.iterate_combined_duplicates` ([#22809](https://github.com/mdn/browser-compat-data/pull/22809))
+- `api.Headers.iterate_lexicographically` ([#22809](https://github.com/mdn/browser-compat-data/pull/22809))
+- `webextensions.api.proxy.ProxyInfo.proxyAuthorizationHeader` ([#22668](https://github.com/mdn/browser-compat-data/pull/22668))
+
+### Statistics
+
+- 5 contributors have changed 10 files with 98 additions and 39 deletions in 7 commits ([`v5.5.20...v5.5.21`](https://github.com/mdn/browser-compat-data/compare/v5.5.20...v5.5.21))
+- 16,155 total features
+- 1,079 total contributors
+- 4,769 total stargazers
+
 ## [v5.5.20](https://github.com/mdn/browser-compat-data/releases/tag/v5.5.20)
 
 April 9, 2024
diff --git a/package-lock.json b/package-lock.json
index 75f3c5f5c4392a..46fda539425994 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@mdn/browser-compat-data",
-  "version": "5.5.20",
+  "version": "5.5.21",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@mdn/browser-compat-data",
-      "version": "5.5.20",
+      "version": "5.5.21",
       "hasInstallScript": true,
       "license": "CC0-1.0",
       "devDependencies": {
diff --git a/package.json b/package.json
index c33195f30e396d..02d7eefb530983 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@mdn/browser-compat-data",
-  "version": "5.5.20",
+  "version": "5.5.21",
   "description": "Browser compatibility data provided by MDN Web Docs",
   "main": "index.ts",
   "type": "module",