December 18, 2009, 5:08 pm - Valve - Product Update
Updates to Team Fortress 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Team Fortress 2

• Fixed a client crash related to arrows
• Fixed a server crash related to items
• Fixed a server crash caused by the Demo taunt kill
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December 18, 2009, 5:07 pm - Valve - Product Update

Updates to Left 4 Dead 2 have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include:

Left 4 Dead 2

• Reduced Dedicated Server max search ping to 150 ms
• Teams that prefer listen servers will no longer be matched with teams that prefer dedicated servers
• Official dedicated servers are now preferred when searching for team matches
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