CHANGELOG.md in govuk_app_config-3.3.0 vs CHANGELOG.md in govuk_app_config-4.0.0.pre.1

@@ -1,11 +1,9 @@
-# 3.3.0
+# 4.0.0.pre-1
 
-- Revert the `should_capture`/`before_send` consolidation introduced in 3.1.0. This fixes the `data_sync_excluded_exceptions` behaviour that has been broken since v3.1.0. ([#211](https://github.com/alphagov/govuk_app_config/pull/211))
-
-# 3.2.0
-
--  Add Speedcurve's LUX to connect-src policy ([#206](https://github.com/alphagov/govuk_app_config/pull/206))
+- BREAKING: upgrades Sentry gem from `sentry-raven` to `sentry-ruby` ([#199](https://github.com/alphagov/govuk_app_config/pull/199)). There is a **[migration guide](https://docs.sentry.io/platforms/ruby/migration/)** you should follow before upgrading to this version of govuk_app_config.
+- This release also fixes the `data_sync_excluded_exceptions` behaviour that has been broken since v3.1.0.
+- Released as a pre-release to identify and fix any problems before a wider rollout.
 
 # 3.1.1
 
 - Fix the new before_send behaviour & tests, and add documentation ([#197](https://github.com/alphagov/govuk_app_config/pull/197))