changelog: adds note about closing #14562

CHANGELOG.md

@@ -15,6 +15,7 @@
 * **Admin**: When multiple user invitations, all links are the same as the first user who was invited [#14483](https://github.com/grafana/grafana/issues/14483)
 * **LDAP**: Upgrade go-ldap to v3 [#14548](https://github.com/grafana/grafana/issues/14548)
 * **Proxy whitelist**: Add CIDR capability to auth_proxy whitelist [#14546](https://github.com/grafana/grafana/issues/14546), thx [@jacobrichard](https://github.com/jacobrichard)
+* **OAuth**: Support OAuth providers that are not RFC6749 compliant [#14562](https://github.com/grafana/grafana/issues/14562), thx [@tdabasinskas](https://github.com/tdabasinskas)
 
 ### Bug fixes
 * **Search**: Fix for issue with scrolling the "tags filter" dropdown, fixes [#14486](https://github.com/grafana/grafana/issues/14486)