Via [url=https://steamcommunity.com/games/TF2/announcements/detail/3298348314761904689]the Steam Community[/url]:

[quote=Valve]- Fixed missing model for the More Gun Marshal
- Fixed broken material for the Dustbowl Devil
- Fixed missing style strings for Halloween cosmetic items
- Fixed style for Beaten and Bruised cosmetic not hiding the hat/headphones
- Fixed missing image for the Strange Filter: Bonesaw (Community)
- Fixed Alcoholic Automaton equip_region conflicting with the Pocket Yeti
- Fixed rigging issue with the Horror Shawl
- Fixed scaling issues with the Malevolent Monoculi and Haunted Forever particle effects
- Fixed material transparency issue with the Pungent Poison particle effect
- Fixed missing Halloween 2022 Case image on the Soul Gargoyle's collections
- Fixed incorrect descriptions for new community map stamps
- Fixed equip_regions for The Turncoat and Safety Stripes
- Added missing No Headphones style for The Masked Fiend
- Updated Taunt: Drunk Mann's Cannon
- Fixed taunt sounds not always playing
- Fixed incorrect delays between flair opportunities
- Updated koth_sawmill_event
- Fixed players sometimes spawning inside each other
- Updated plr_hacksaw_event
- Fixed not being able to push the Red cart
- Fixed missing materials in resupply closets
- Fixed Horseless Headless Horsemann not being visible[/quote]

Rumor has it:

- Size is close to 40 MB