Required updates to TF2/CSS and DODS are up now.  The specific changes include:

Source Engine Changes (CS:S, DoD:S, TF2)
- The mat_hdr_level, r_rootlod, and r_waterforceexpensive settings are now saved in the user's config file.
- Fixed clients being able to connect to servers with spoofed SteamIDs.
- Fixed a bug where some video configurations could get reset by restarting the engine.
- Fixed materials compiled into a map not being loaded correctly if they're in the root materials folder.
- Fixed a case of uneven performance on multicore machines.
- Fixed point contents not respecting detail brushes. This fixes a bullet penetration bug in some community maps.
- Fixed clients being able to spam servers using the ai_set_move_height_epsilon, mission_show, and sv_querycache_stats commands.
- Audio fixes:
  - Reduced overlap in the sound timing code.
  - Fixed a case where audio could skip.
  - Fixed voice communication getting corrupted while playing on a Mac.
- sv_pure 2 now protects the game_sounds files in the scripts directory.

{skipping boring CS:S stuff}

Team Fortress 2
- Added server ConVar "sv_max_usercmd_future_ticks" which prevents clients from running usercmds too far in the future.
- Added missing Mac intro movie for cp_coldfront.
- Fixed "Hit '%disguiseteam%' to Toggle Team" string and code so they're not hard coded to 'e' and '-'.
- Fixed servers trying to validate backpack positions in inventories.
- Fixed clients validating inventories other than their own.
- Fixed item selection HUD elements showing un-acknowledged items, which resulted in items in invalid backpack positions.
- Fixed players not always getting "recent damager" credit for player suicides.
- Fixed the weapon selection menu not displaying properly when using hud_fastswitch and lastinv at the same time.
- Updated Engineer startup music.
- Updated localization files.
- Updated Pl_ThunderMountain
  - Clipped off sticky outcrops for smoother movement
  - Clipped various exploit ledges
  - Increased environment ambient exterior light level
  - Stage 1
     - Fixed hole in respawn room brushes in RED spawn
     - Shifted respawn times to favor BLU by two seconds
  - Stage 3
     - Clipped rocks off by BLU's spawn exit that leads to building B (allowed Snipers to snipe the entire area)
     - Removed embedded displacement (building B interior roof)
     - Removed rogue clip brush from building A balcony
- Updated Plr_Hightower
  - Fixed players building in the RED spawn room.
  - Fixed players building on the back window decks of the barns.
  - Fixed players getting on the satellite dish platform.
  - Fixed players building on the elevators.
  - Reduced the ammo packs in the barns down to small ammo packs.
  - Increased the hill speed modifier to 1.2 (up from .95)
  - Fixed explosion particle effects playing in the skybox.
  - Mine cart "window" collision fixed.
  - Upped Scout-loop health to large.
- Updated Pl_Upward
  - Fixed respawnroom entities not reaching the floor of split-level spawns
  - Fixed griefable fence facing BLU spawn near RED base
  - Added BLU high flanking route at RED base
  - Added health & ammo along BLU flanking route at RED base
  - Sealed BLU base left exit with block bullets brushes
  - Extended clip between C and BLU spawn to prevent sticky jump spawn camping
  - Fixed non-clipped non-solid railing in RED base
  - Fixed kill brush in middle spawn not extending to the ceiling
  - Put a block bullets brush on grate below middle spawn
  - Fixed some high micro-ledges accessible to sticky-jumpers
- Community Request
  - Added "item_pickup" game event for ammo/health packs.

Added the Mann-conomy.
 - Added 65 new items (hats, weapons, tools, minigames, gifts, crates).
 - Added the Mann Co. Store & Catalog.
 - Added Trading.
 - Added Item customization.

Additional TF2 features:
 - Added new auto-team-scramble system:
   Set mp_scrambleteams_auto to 1 (default) to automatically scramble the teams if the criteria is met
   Set mp_scrambleteams_auto_windifference to set the number of round wins a team must lead by in order to trigger an auto scramble (default is 2)
 - Updated how Spy disguise targets are selected to more randomly distribute the selections
 - Fixed the FreezePanel background not using the correct color if you were killed by a player or building on your own team
 - Server browser tweaks:
   It will now encourage you to add servers to Favorites or Blacklists after you have a good/bad experience on them.
   The Server Browser now automatically closes after successfully connecting to a server (opt-out via the Options-Multiplayer->Advanced dialog)

Achievement tuning:
 - Demoman achievement "The Stickening" changed to 3 from 5.
 - Heavy achievement "Krazy Ivan" changed to 50 from 100.
 - Medic achievement "Consultation" changed to 3 from 5.
 - Medic achievement "Peer Review" changed to 10 from 50.
 - Medic achievement "Placebo Effect" changed to 2 from from 5.
 - Medic achievement "FYI I am A Medic" changed to 1 from 5.
 - Medic achievement "Family Practice" changed to 5 from 10.
 - Soldier achievement "Geneva Contravention" changed to 3 from 5.
 - Scout achievement "Strike Zone" now counts assists.
 - Scout achievements "Fall Classic" and "Foul Territory" are fixed.