Via [url=https://store.steampowered.com/oldnews/154751]the Steam store[/url]:

[quote=Valve]- Fixed the Grim Tweeter hiding the hat/headphones
- Updated cp_spookeyridge to fix missing tool brushes

- Updated pd_farmageddon
- Lighting changes
- Minor detail changes
- Reworked scarecrow logic to make use of the setmodel and ondeath commands
- Set scarecrow health to 500
- Updated menu text

- Updated ctf_crasher
- Fixed an edge case where a Giant's attributes weren't always granted properly
- Fixed an edge case where if a Giant died before their door opened it would open and not receive the close input
- Fixed an instance where a player could become trapped inside the opposing team's door

- Updated plr_hacksaw_event
- Fixed broken area portals
- Fixed skybox issue
- Fixed HHH not animating[/quote]

Rumor has it:

- Size is ~105 MB