From Jason Ruymen
The required update to Team Fortress 2 is now released. Please run hldsupdatetool to receive it. The specific changes include:

Maps
- Added new map, Pipeline. Pipeline is the first map in a new game mode named payload race, which uses two carts in each map instead of only one like traditional payload maps
- Added new arena map Sawmill
- Added new arena map Nucleus
- Added new community payload map Hoodoo

Sniper Changes
- Added new sniper rifle replacement, The Huntsman. Instead of a sniper rifle, you have a bow that allows you to move around faster while firing, and fire more quickly than the sniper rifle. Works better at medium range than the standard rifle
- Added new SMG replacement, Jarate. If thrown on an enemy they will take more damage for short period of time. Also extinguishes flames on yourself or allies
- Added new SMG replacement, The Razorback. Will protect you against a single spy backstab, and stun the spy for a short period of time. Comes with a 15% move speed penalty for the wearer
- Standard sniper rifle now shoots through friendly players
- Added 54 new Sniper voice lines
- Added 35 new Sniper achievements

Spy
- Added new revolver replacement, The Ambassador. First shot is very accurate and will cause a critical hit if it hits an enemy’s head. Accuracy is poor for a period after that
- Added new watch replacement, the Dead Ringer. When armed, you will appear in all ways to die to the first damage you take from an enemy. You’ll be cloaked for 8 second after taking this damage. Upon de-cloaking you’ll make a loud, distinct sound
- Added new watch replacement, the Cloak and Dagger. Your cloak meter is only depleted when you move, so you can stay invisible indefinitely if you’re standing still
- Spy name tags now show up properly when disguised as their own team
- Fixed a bug that would cause spectators to see disguise weapons incorrectly
- Fixed a bug where enemy spies disguised as friendly spies would have cigarettes that didn’t burn
- Fixed a bug where overhealing disguised spies would show the wrong overhealing amount to the medic
- Made it more obvious on first person view model when your motion cloak is out of juice and you are partially visible
- Also made it more obvious on first person view model when you’re bumped while cloaked
- Improved the way your disguise weapon is determined to make it clearer and fix a couple of rare issues
- Spies disguised as enemy spies now get a random mask to help complete the disguise, and their target id will be set appropriately
- Spies disguised as medics now have an Ubercharge: line in their disguise target info
- Spies outward facing « disguise health » now matches their disguise target when they first apply the disguise
- Spies can now pick up health kits for their « disguise health », even when uninjured
- Disguise UI doesn’t show up in minimum UI mode (hud_minmode)
- Spies that disguise as a player using an unlockable now show that unlockable in hand
- Spies can now use enemy teleporters
- Added 70 new Spy voice lines
- Added 34 new Spy achievements

Scoreboard changes
- Dominations no longer get wiped when teams switch sides
- Dead players draw slightly darker in scoreboard
- Converted class labels to class icons
- All players now display the total number of people they are dominating

General
- Fixed a bug that would cause the scout’s ball to regenerate at inappropriate times
- Demomen can now detonate their stickies while taunting
- Flamethrower’s air burst now extinguishes fire on friendly targets
- Grenades and rockets deflected by a pyro under the effects of Kritzkrieg will now be criticals
- The Heavy and Sniper now have new custom death animations
- Fixed payload HUD not updating properly if you join in the middle of a match and the cart isn’t moving
- Engineer’s dispensers now give 20%, 30%, or 40% of player’s max_ammo (for each ammo type) on each use, based on the level of the dispenser
- Added -sillygibs commandline parameter which will allow the non-violent gibs to be enabled
- Added a new taunt for the Kritzkrieg, which also heals for 10 points
- Improved the deathcam camera handling used when a player plays a custom death animation

Jason