Team Fortress 2 Update Released

[tf2.com]

An update to Team Fortress 2 has been released. The update will be applied automatically when you restart Team Fortress 2. The major changes include:
Source Engine Changes

• Fixed server CPU spikes caused by compression of string tables and packets.
• Added sv_netspike, sv_netspike_sendtime_ms, and sv_netspike_output convars for investigating server performance
• net_compresspackets_minsize default value increased to 1024. This convar now also determines the threshold to determine when a "fragment" (logical game network message, before being broken up into network packets) is compressed.Added vprof_vtrace and vprof_report_oninterval convars, and tweaked vprof_dump_spikes and vprof_dump_oninterval to reduce output

Team Fortress 2

• Added the Robotic Boogaloo community update: http://www.teamfortress.com/roboticboogaloo/
• Fixed a chat exploit that would cause other clients to timeout from dedicated servers
• Updated the Mann Co. Store
  • Added RoboCrate Keys
  • Added A Random RoboKey Gift
  • Added Pile of RoboKey Gifts
  • Backpack Expanders on sale at 80% off
  Updated the localization files

Source: TF2.com