CHANGELOG.md in govuk_app_config-2.10.0 vs CHANGELOG.md in govuk_app_config-3.0.0

@@ -1,4 +1,8 @@
+# 3.0.0
+
+* BREAKING: Implement RFC 141 - remove unsuitable healthchecks and return a 500 on healthcheck failure ([#193](https://github.com/alphagov/govuk_app_config/pull/193))
+
 # 2.10.0
 * Allow LUX domain on img-src policy ([#191](https://github.com/alphagov/govuk_app_config/pull/191))
 
 # 2.9.1