MAJOR:
- Muslim Decadence System
- Muslim Polygamy
- Added new provinces, titles and history for Mali, Songhay and Ghana
- Added the province of Aprutium (split off from Spoleto)
- Added the new creatable Empires of Russia, Britannia, Spain, Francia, Scandinavia, Persia and Arabia
- Strong and Weak Claim System
- Overhaul of game text for Muslims
- Added plots to claim titles
- Split up the former Kingdom of Khazaria into many de jure kingdoms
- Split the Kingdom of Rus into the kingdoms of Rus and Ruthenia
- Added the duchies of Susa and Latium
- Revised murder plots completely. No decisions, just events.
- Commander traits added
- Heavily revised combat tactics
- Loads of new events

MINOR:
- AI: Much more eager to join Crusades/Jihads if it has de jure interests in the target kingdom
- AI: Much more eager to join Crusades/Jihads if in the same realm as the religious head
- AI: More stubborn about fighting decadence revolters
- AI: Tweaked Crusade targetting - will no longer target kingdoms with 0 'holiness' value for that religion
- AI: Non-Muslims will not accept marriages for female relatives with Muslims, unless they are vassals
- AI: Now prefers giving baronies/counties to courtiers with static dynasties rather than creating random characters
- AI: Vassals of vassals can now correctly revolt to depose their liege
- AI: DoW now factors in the strength of enemies of enemies
- AI: Willing to join another rebelling vassal's war for the crown only if they'd like them better as _liege_
- AI: Vassals should no longer start wars (except for revolts) if the whole realm is under attack from outside
- AI: Caliphs will now be more aggressive with calling Jihads
- Army AI: Will now assault when appropriate
- Army AI: Fixed a problem where you could trick AI armies into ping-ponging while it was trying to gather its forces
- Army AI: Fixed some issues where it would not count attached units properly
- Army AI: Better at moving across land without marching together with other armies, causing unnecessary attrition
- Army AI: Improved attrition check in targetting calculations
- Army AI: Fixed an issue where it would merge armies to huge sizes by not considering attached forces
- Invasion AI: Fixed an issue where it would choose poor secondary targets if the target province was too heavily defended
- No longer possible to call lieges to war against their own vassals
- Fixed a bug with the succession message not being shown for the ones who inherit titles
- Fixed an issue with the de jure law vote message not going away when trying to approve it
- Slightly increased merc reinforcement rates
- Fixed a memory leak with timed opinion modifiers that time out naturally
- Moved the county of Chalons into Lower Burgundy and Grisons into Upper Burgundy
- Fixed a bug with the depose liege CB sometimes making the new ruler independent (bug in the effect 'abdicate_to_most_liked_by').
- Fixed a bug with the effect 'abdicate_to_most_liked_by' that would invalidate outside wars
- Fixed a bug with the 'grant_title' effect which would assign the liege to the liege of the granter
- Fixed a potential infinite loop in war name generation
- Fixed a bug with the Feudal Elective law being tolerated for Republics
- If the loser in a war is imprisoned, he is now automatically released on peace
- Fixed a bug with created characters sometimes getting duplicate education traits
- People who avoid imprisonment will now always flee to another realm
- Added a whole bunch of cleaned up title coats of arms
- Muslim coats of arms should now use better colors
- No longer allowed to grant titles to prisoners
- You can now correctly press the de jure claims of vassals of vassals
- Fixed a bug with being able to call vassals of vassals of the enemy into wars within the same realm
- When winning (enforce or reverse) a war, all prisoners from your realm held by the enemy are now released
- Added opinion modifiers 'Imprisoned my Child' and 'Executed my Child'
- No longer allowed to ask to join outsider wars against your liege
- Fixed a bug with the depose liege CB in republics and bishoprics
- Rulers deposed with the 'depose' casus belli no longer get any land from their old vassals to remain rulers
- Fixed an issue where a ruler could not offer peace to a rebelling vassal if he had holdings occupied by another (loyal) vassal in a separate war
- Fixed a bug with the hostility icons for loyal vassals in separate wars with rebelling vassals
- If a vassal is at war with another vassal who is rebelling, the war no longer ends if the liege wins and the rebellion is crushed
- Fixed a bug with lieges ending up in two wars if a vassal revolted while a revoke action was pending
- Blocked excomm wars against revolters
- Fixed some issues with succession not being recalculated after certain event effects
- Peace Offers now make it clear whether it's a demand for surrender, white peace or surrender
- Cleaned up all CB tooltips
- The initial Seljuk-Byzantine war is now a full invasion of the de jure kingdom of Armenia
- Added "Scarred" trait
- Fixed a bug allowing rulers of a hostile religion to vote for de jure laws even when not de facto vassals
- Toned down base attribute gain of children from guardians
- Optimized the CPU heaviest events
- Fixed a nasty old crash bug with the defection of the Victual Brothers
- Fixed a hostility bug with allies helping to defend against a revolter
- Fixed an issue with Gavelkind inheritance in baronies, where the youngest child would inherit first
- Fixed an issue with the random seed in delayed events
- Fixed a bug allowing you to usurp titles from your own vassals
- Fixed an issue with vassals of vassals gaining independence when you pressed their claims
- The titular kingdoms of Naples and Trinacria are no longer creatable in-game
- The Ecumenical Patriarch will now refuse to excommunicate a character who has repented, even if the Emperor asks
- Merc navies will now disband when not getting paid
- Fixed an issue with the lower Crown Authority plot when the liege folds to the ultimatum of a vassal king
- No longer possible to grant duchies to barons
- The event effect 'destroy_landed_title' now gives the current holder a strong claim on the title
- The events where the Mongols receive reinforcements no longer trigger if the titles are held by non-Tengri or non-Mongol rulers
- Fixed an issue with attached units and siege outcomes
- Fixed a bug with Revokation plot wars against vassals who lose the title to someone else
- Fixed a bug where a vassal in revolt against his liege would sometimes have the war end inconclusively when the liege got a new liege
- Fixed an issue where children would change guardian if they became landed
- AI spouses of lower rank than you will now always accept education requests- In feudal elective titular realms, _all_ vassals of the appropriate tier are now electors
- The death of a spouse no longer makes characters lose their jobs
- Characters who end up leading the troops of their enemies should now automatically return home
- The opinion penalties for revoking a title are now applied whether or not the target accepts or refuses
- If a vassal refuses a title revokation and wins or achieves a white peace, the 'declared_war' opinion modifier is now cleared (meaning the liege does not get a 'free' title revokation)
- There is no longer a cooldown for calling allies to war who _accepted_ a previous call
- Primogeniture: more heirs should now be listed
- Gavelkind: fixed a glitch with grandchildren
- Removed impassable terrain between Kartli and Albania
- Fixed unit position in the Irish Sea
- Made Sviatopolk Rurikovich (count of Zaozerye in 1066) a legit bastard
- Heretics and infidels are now barred from inheriting anything that the religious head holds
- The portraits for undiscovered murderers should now be hidden in the event window
- Mercs and Holy Order commanders should no longer be shown in the quick marriage window
- Now always allowed to attach your units to your lieges' units
- Added an event where a ruler converts to the native culture
- Adjusted and improved the events where provinces change culture
- Reactivated the lifting FoW for allies in wars
- Doubled regular assassination costs
- The "Arrange Marriage" button now shows random courtiers if there are too few interesting women around
- There is now a slight chance of a random education outcome
- Fixed some issues with war invalidation for banishment of landed characters
- Can no longer banish mercs, holy order heads, or religious heads
- Attached units that are not in the same province as the master unit are no longer hostile to the master unit's enemies
- The spouse will now get a message on divorce
- Fixed some historical issues with Chios and Lesbos
- The liege should now get pressed claims on _all_ titles of characters who declare independence
- If an ally could legally call you into a war, you should always be able to ask to join as well
- Battle Death should now show the unit owner rather than the unit commander
- Vassals of lieges who are fighting their liege will no longer revolt
- Holy War CBs are now valid for Catholic vassals of Orthodox lieges, etc
- Added automatic county conversion events for Muslims (35500 and 35501)
- Pathfinding now prefers friendly territory to enemy territory
- Vassal vs Liege wars should now end with a _mutual_ truce

FOR MODDERS:
- Exported inbreeding trait gain factors to defines
- Exported most relevant files under common to their own folders, so they can be broken up into multiple files
- Added 'immortal' flag to traits; stops aging, character will not die of age or poor health
- Added 'pilgrimage' flag to traits; the character is away and needs a regent, but can still be a guardian, etc
- Added 'name_tier' to landed titles, so that empires can be called kingdoms, etc
- Added 'pass_effect' to decisions and laws, which is not run by automatic functions (useful for setting opinion modifiers when passing laws.)
- Added event target 'fromfrom'
- Added trigger 'in_revolt'
- Added 'divine_blood' flag to dynasties, which allows full consanguine marriages and tells the AI to prefer keepin' it in the family
- Added 'founder_named_dynasties' to cultures
- Can now script marriage consanguinity rules in religions
- Added a 'potential' trigger to Job Actions
- Added 'dismiss_trigger' to job titles
- Added a 'potential' trigger to traits
- Added trigger 'num_of_realm_counties'
- Added effect 'vassalize_or_take_under_title'
- Added trigger 'death_reason'
- Added event target 'killer'
- Added event effect 'objective_succeeds'
- The trigger 'can_be_given_away' is now more restrictive. Checks occupation or sieges of constituent Holdings, contestation in wars, etc.
- Added history command 'conquest_culture'
- Added trigger 'plot_power_contribution'
- Added trigger 'random'
- Added trigger 'any_potential_tribal_county'
- Added effect 'any_potential_tribal_county'
- Added effect 'random_potential_tribal_county'
- Added 'new' target in effects ( character = new ) for newly created characters
- Added death reason 'death_hashshashin'
- Added effect 'make_primary_spouse'
- Added trigger 'has_strong_claim'
- Added trigger 'has_weak_claim'
- Added effect 'add_weak_claim'
- Added effect 'add_weak_pressed_claim'
- Added trigger 'has_regent'
- Added trigger 'is_contested'
- Added event effect 'any_spouse'
- Added event effect 'random_spouse'
- Added trigger 'any_spouse'
- Added trigger 'is_main_spouse'
- Added a 'distance' trigger