Via [url=https://store.steampowered.com/news/76303/]the Steam store[/url]:

[quote=Valve]* Fixed players not being able to rocket jump or stickybomb jump during a truce
* Fixed missing War Paint icons in the Steam Community Market
* Updated the Impish Ears to add a missing style
* Updated the equip_region for the Gourd Grin
* Updated The Ghoul Box to fix an issue with the materials
* Updated pl_hasslecastle
* Added occluders to improve optimization
* Added a spell book near the first RED spawn and the first BLU spawn
* Brightened up some areas
* Fixed some texture misalignments
* Reduced the saturation of purple spell book patches
* Changed the ending when BLU wins
* Fixed the arrow signs not changing near the first RED spawn
* Fixed an out-of-bounds exploit near the first point
* Fixed an out-of-bounds exploit in the second BLU spawn
* Fixed an out-of-bounds exploit near the cliff at the second-to-last point
* Changed the doors in the second BLU and the first RED spawn rooms to standard ones
* Fixed a displacement error near the entrance to the last point
* Moved the resupply cabinet from the second BLU spawn out of the wall
* Updated the "Kill with a pumpkin bomb" bonus objective to be "Win a round"
* Fixed some texture errors
* Brightened up the map
* General improvements
* Updated pl_precipice_event_final
* Lowered amount of entities on the map to prevent crashing
* Adjusted some misaligned textures around the map
* Simplified some detail for better performance
* Combined some models for better performance
* Removed some clutter to improve readability and fluid movement
* Fixed some lighting bugs around the map
* Added a one way door to left flank on last CP for Blu
* Removed build limitations on both Shack (CP1) and the isolated balcony (final CP)
* Adjusted health kits in last to be less favorable to defense
* Updated koth_megalo
* Fixed players building teleporters in RED spawn
* Updated pl_bloodwater
* Fixed exploit using the Minify spell at point A
* Fixed being able to build as an Engineer in lava pits
* Bosses no longer get stuck in lava pits
* Reduced the chance of the Horseless Headless Horsemann and Monoculus spawning
* Updated all railings to not collide with projectiles and bullets
* Removed normal-sized skeleton spawn locations[/quote]