An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. The major changes include:

Add ConVars to control Mann vs. Machine team limits on community servers
    tf_mvm_defenders_team_size
    tf_mvm_max_connected_players
Fixed the Pastel Trance Unusual taunt effect not drawing two Balloonicorns
Fixed names/descriptions for the most recent HugsTF medals
Updated pl_venice
    Gameplay
        Relocated first Blu spawn (now split into two individual spawns at random)
        Moved 1st Red spawn further away into a new room
        Added new upper entrance into building next to Point A (thanks Delila)
        Added new exit from 2nd Red spawn room
        Moved a building entrance near Point A to a new walkway area above
        Removed upper entrance and Point C routes in building next to Point B
        Added new raised position at the main open inside area between Points C and D
        Added new route near Point D
        Added new cubby spot at Point D
        Removed part of the balcony at the final Point
        Widened door between 2nd Blu spawn and Point B
        Removed a door to upper room near first Blu spawn & connected the balconies
        Opened section of the building next to Point C for faffing and uber charging
        Altered the underneath of the balcony at the building next to Point C
        Tweaked roof area near Point B to make it easier to counter
        Tweaked walkway between Points A and B
        Added some minor cover near Point A
        Lowered railing at above position near Point C for Turrets
        Added cubbies across the map to improve gameplay for Engineer, Spy, etc.
        Removed engineer building & added smoother clipping on the raised bridge
        Added/removed/moved some health & ammo
    Art
        Improved lightmap scale across the map to produce nicer shadows
        Increased saturation and slightly adjusted style of some materials
        Expanded the 3d skybox and made it viewable from more locations across the map
        Fixed flag models
        Made certain areas feel less like empty spaces
    Misc
        Fixed strange missing texture error in middle connector
        Fixed error in soundscapes
        Added more direction signs across the map
        Fixed misaligned payload particles
        Boat near first Blu spawn has drifted off into the distance
        Other minor changes