diff --git a/Release notes.md b/Release notes.md
index 4139b30..8e21d6a 100644
--- a/Release notes.md	
+++ b/Release notes.md	
@@ -2,9 +2,16 @@
 ## v.1.2.3
 `to be announced`
 ### Changes
+- Added support for the HTTP_X_HTTP_METHOD_OVERRIDE header in the API.
+- Changed all the frontend calls from `_method` to `X-HTTP-Method-Override`.
 
 ### Fixes
 - Fixed all the CSS errors.
+- When creating an user the `user_pref_language` value is not an enum but any string.
+- API user creation does not set the `user_full_name`.
+- Module enablement toggle feedback is fixed. 
+- Make the user creation `user_phone_number` optional.
+- Inserve configuration API call does not longer require the obsolete `source_name` field.
 
 ## v.1.2.2
 `29-05-2026`
@@ -30,6 +37,10 @@
 - Issue with new server licenses having "0" as name.
 ### Known issues
 - Users are not able to change their own name.
+- No check on users being linked to a group before deleting it.
+- There is no validation of the `portal_uuid` when configuring mail settings.
+- A lot of GET API calls missing or not working correctly.
+
 ## v.1.2.1
 `17-05-2026`
 ### Features