https://www.footballmanager.com/news/fm23-final-data-update-available-now
Featuring more than 250,000 database changes since the Main Data Update on March 2nd, this update includes activity from transfer windows that closed during February*, including MLS, along with further gameplay fixes.
All gameplay adjustments will take effect in current careers, although you will need to begin a new save game to take advantage of the data updates.
The changes in the 23.4 update include, but are not limited to:
1. Fixed rare crash affecting some users with saves started with December 2022 start date
2.
Addressed an issue where users can’t ask the board to upgrade Youth Recruitment to maximum level
3. Addressed an issue where the Team Instructions will disappear when users change formation via the Formation dropdown menu in Tactics
4. Fixed an issue where Wing Play and Route One tactical styles are missing from the Tactical Style dropdown menu in Tactics
5. Fixed an issue where users were unable to unlock the ‘On Top of the World’ achievement on Microsoft Store