From the 1.07 changelog:
FOR MODDERS:
- IMPORTANT: Added 'inherit_chance' to traits, replacing 'congenital'
- The 'replace_path' bug is now fixed for real
- Added 'effect' character history command. It's like an event option that's run for the character at game start.
- Fixed a bug with 'immortal' traits and sex appeal
- Added trigger 'leads_faction'
- Added trigger 'faction_power'
- Added trigger and effect 'any_faction_backer'
- Added trigger 'completely_controls = [title]' (I or my vassals hold everything in it)
- Added trigger 'revolt_distance'
- The 'ai_will_do' clause in Decisions is no longer binary (the value determines the MTTH)
- Fixed an issue with law triggers in the 'ai_will_do' field of decisions
- Added trigger 'in_faction'
- Added trigger 'war_title'
- Added trigger 'defending_against_claimant'
- Added event targets 'supported_claimant' and 'supported_claimant_title'
- Added 'set_parent_religion' effect
- Can now create Lowborn characters with the 'create_character' effect
- Fixed a bug with scripted attributes in the 'create_character' effect
- Fixed a bug in the 'conquest_culture' trigger
- Added 'is_conquered' trigger
- Added event targets 'heir_under_seniority_law' and 'heir_under_primogeniture_law'
- Added trigger 'any_claimant'
- Added 'from_potential' trigger to decisions (vassal and dynasty decisions only)
- Added event effect 'add_spouse_matrilineal'
- Added 'opinion_diff' trigger
- The event targets 'owner' and 'holder_scope' are now the same and work on both titles and provinces
- Added event effect 'copy_title_history'
- Added event effect 'copy_title_laws'
- Fixed a bug with trigger 'is_landed = no'
- Fixed a bug in the effect 'spawn_unit' with the 'match' argument
- Can now set a specific leader in the effect 'spawn_unit'
- Fixed a bug in trigger 'de_jure_liege_or_above'
- Fixed a bug in trigger 'de_jure_vassal_or_below'
- Fixed some bugs with the 'set_name' effect
- The 'set_name' effect can now change the name of titles
- Added 'capital' effect
- Added 'province_capital' effect
- Added effect 'participation_scaled_decadence'
- Added trigger 'num_of_faction_backers'
- Added trigger 'race'
- Added trigger 'graphical_culture'
- Fixed a bug with event name spaces not working in 'events' fields in On Actions
- Fixed a bug with event name spaces not working in 'events' fields in Job Actions
- Added 'divine_blood' marriage opinion modifiers
- Added more gradual Attrition Defines
- Added 'secondary_graphical_culture' to cultures and culture groups (a fallback option, when not having certain DLCs)
- Added trigger 'has_earmarked_regiments'
- Added 'earmark' argument to the 'spawn_unit' event effect
- The 'disband_event_forces' effect now takes an earmark argument
- Added trigger 'diplomatic_immunity'
- Added effect 'diplomatic_immunity'
- Exported PORTRAIT_MID_AGE_THRESHOLD, PORTRAIT_OLD_AGE_THRESHOLD, PORTRAIT_ADULT_MALE_AGE_THRESHOLD and PORTRAIT_ADULT_FEMALE_AGE_THRESHOLD to defines
- Exported AGE_OF_MARRIAGE to defines
- Ported the last old defines to lua
- Added SeaZone province text promotion
- Added PrevPrev text promotion
- Added trigger 'is_tribal_type_title'
- Added trigger 'has_horde_culture'