Engine
-Fixed client crash related flashlight usage.
-Fixed several issues related to alt-tabbing (invisible players, etc).
Team Fortress 2
-Added The Frontier Justice.
-Added The Wrangler.
-Added The Gunslinger.
-Added The Southern Hospitality.
-Added 35 Engineer achievements.
-Engineers can now pickup & move their buildings.
-Added Engineer main menu music.
Added 4 new maps:
-Thunder Mountain, a 3 stage Payload map.
-Hightower, a Payload Race map.
-Upward, a Payload map.
-ColdFront, a community built Capture Point map.
Item tuning:
-The Sandvich now uses a cooldown timer, instead of the health pack recharge mechanic.
-The Gunboats now reduce self-damage by 60% (was 75%)
-The Tribalman's Shiv bleed duration reduced to 6 second (was , and its damage penalty increased to 50% (was 35%).
-Added better feedback sound for Pyros on when their flamethrower is doing damage.
-Fixed blood effect on bleeding player.
-Added a glow effect to Payload carts.
-Added Romanian language support.