3.5.4

Fixed a few kingdoms incorrectly remaining parts of dejure empires when No Ahistorical Empires is enabled
[PB+SWMH] Fixed bookmarks after 1215 crashing the game
Tweaks to strengthen event chain leading to / incl. Formation of Rum
Major bugfix: Crusades now transfer titles appropriately after success. Some reported holy war issues may also have been caused by the same bug and may be resolved now
Random-courtier-killing maintenance event is now a little less overzealous
Some minor performance tweaks
AI requirements for creating retinues slightly hightened: their realm_sizes must now be just a bit bigger (18 if independent, 24 if a vassal-- +3 holdings to each)
Disabled vanilla RoI's somewhat excessive conversion of rulers to local province culture by AI decision [issue only affected those with RoI enabled]
New crusader states now properly refill de jure holding levies upon success; only part of the job was getting done
Fixed bug where a Catholic Byzantine/Roman Emperor that has vassalized the Pope would occasionally lose the Pope as a vassal as a result of Imperial Reconquest
Fixed bug wherein Immortal trait would be lost upon reloading a save or converting to a different religion (at the least)
Loosened the restrictions upon vassalizing the Knights Templar or Knights Hospitaler as a holder of the Kingdom of Jerusalem; made decision immune to temporary revolt titles