Source Engine Changes (TF2, DoD:S, HL2:DM)
Added mat_viewportupscale and mat_viewportscale to enable rendering the world at a reduced resolution. ("mat_viewportupscale 1" and "mat_viewportscale 0.5" will downscale world rendering by 50%.)
Added a new convar mp_mapcycle_empty_timeout_seconds to trigger a changelevel when the server is empty
Added positional audio support for Mumble clients
Fixed a bug that prevented consecutive clicks on scrollbar buttons
Performance and stability improvements
Team Fortress 2
>Scream Fortress Event 2012
Fixed a bug where buildings would be invisible during their setup time
>Mann vs. Machine
Added the map Mvm_coaltown_event with a special Halloween mission
Fixed a bug where players money would not be set properly when restoring a checkpoint
Fixed server crash on vote to restart mission
Eligible Halloween Maps -
koth_harvest_event
cp_manor_event
koth_viaduct_event
koth_lakeside_event