Workshop:

• removed ugc/steamid filename restriction on workshop files - models/jon_smith/props/bucket.mdl is now a valid workshop model name
  
• added basic filename conflict resolution on downloading workshop files
  
• fixed unsubscribed from workshop item not removing files if those are the last items
  
• added UI for updating workshop files (updating artwork and videos is done through the community website)
  

Scripting:

• updated python to version 2.7.5
  
• added PySide Qt bindings for Python scripts
  
• improved Script Editor user interface
  
• added global scripts menu
  

Misc:

• added Add/Remove Override Materials menu item to right-click menu on models in the animationset editor
  
• dragging one animationset onto another now locks all controls in one to all (non-hidden) controls in the other of the same name
  
• (belatedly)added example playerclass scripts, to make it easier to change the player models (for recording running around as the robot scout, for example)
  
• fixed bug where UI would appear to let you reorder an animationset between another animationset and its children
  
• (third time's the charm)updated tf_movies scout with bodygroups that are in game, and added pack bodygroup
  
• fixed studiomdl bug when compiling helper bones with or in the vrd
  
• (belatedly)fixed missing texture in ctf_2fort
  
• added latest Team Fortress 2 content