diff --git a/CHANGELOG.md b/CHANGELOG.md
index 80225c2..42d0f51 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,12 @@
 
 Versions and bullets are arranged chronologically from latest to oldest.
 
-## Unreleased
+## v0.3.0
+
+Breaking changes:
+
+- The default value of `$wgAchievementBadgesReplaceEchoThankYouEdit` is `false` now.
+- The sign-in achievement is now disabled by default. Set `$wgAchievementBadgesReplaceEchoWelcome` to `true` to enable it.
 
 ## Previous Releases
 
diff --git a/extension.json b/extension.json
index 1fb2058..c3538e8 100644
--- a/extension.json
+++ b/extension.json
@@ -1,6 +1,6 @@
 {
   "name": "AchievementBadges",
-  "version": "0.0.2",
+  "version": "0.3.0",
   "author": ["[https://femiwiki.com/ Femiwiki Team]"],
   "url": "https://github.com/femiwiki/AchievementBadges",
   "descriptionmsg": "achievementbadges-desc",