Team Fortress 2 update for March 30, 2018 · Steam Database

Via HLDS:

Added smoke to the Punk's Pomp
Made the Sky High Fly Guy and The Hot Case paintable
Fixed the Short Circuit still performing its old area-of-effect attack when firing
Fixed Scouts taking to the skies
Fixed thumbnail for ctf_foundry

Rumor has it:

Size is ~7.5 MB

The following changelog has been automatically generated from GameTracking data.

Items

Sky High Fly Guy Added new attribute capabilities/paintable with value of 1
Hot Case Added new attribute capabilities/paintable with value of 1
Punk's Pomp Added new attribute attributes/attach particle effect static/attribute_class with value of set_attached_particle_static
Punk's Pomp Added new attribute attributes/attach particle effect static/value with value of 28