Yesterday, the developers over at Teamfortress.com released a new blog stating that they have reached the 119th (or so) update to Team Fortress 2. This calls for a celebration. From September 20th, 2007 till now April 29th, 2010 Team Fortress 2 has have about 119 updates, if not more. Many of the updates range from class updates to miscellaneous fixes within the engine itself.
On September 20th, 2007 Teamfortress 2 cache size was 2.45 GB and Today’s cache size is 4.83 GB.
Well it started by us first whetting your appetite with a few Meet the Team trailers.
On April 28th, 2010 Teamfortress 2 developers released a blog announced some major updates:
Added new community map cp_freight
Added missing physics models for several items
Added jiggle bones to the Sam & Max items, and The Buff Banner
Added Crit-a-Cola
Gameplay Changes
Pyro changes
Flamethrower direct damage reduced 20%.
Burn duration reduced (10 -> 6 seconds).
Airblast re-fire delay reduced by 25%.
Airblast ammo usage reduced by 20%.
All reflected rockets/grenades/arrows now mini-crit.
Airblasting enemies into environmental deaths now awards the death credit to the Pyro.
Heavy changes
Minigun spin-up/down time reduced by 25%
Minigun firing movement speed increased to just under half-normal (from 80 to 110).
Throwing a sandvich to a teammate now earns a full bonus point (was half a point).
Bonk! changes
Post-use movement penalty removed.
Now has a re-use cooldown time, like The Sandman.
The Chargin’ Target changes
Direct charge hit now does 50 damage + 10 per head (up to 5 heads).
Capped the turn rate from +left and +right while charging.
The Huntsman changes
Removed restriction that arrows need to be aimed before they can be lit by a Pyro.
Bow can now be lowered without losing the lit arrow.
Changed bow so you can start charging it while you’re jumping, but you can’t fire until you’re on the ground.
Fixed bug where flame effect would get stuck on if you change weapons with a lit arrow.
Backpack changes
Moved Crafting button out to the root class/backpack selection panel.
Dragging and dropping items in your backpack now makes appropriate sounds.
The Sandman change Added a slight speed reduction to stunned players.
Added new items to commemorate our 119th (or so) update.
Fixed several issues with the Source SDK
Scout’s “Retire the Runner” achievement updated to be
“Kill a Scout while they are under the effect of Crit-a-Cola.”
Added a 20% damage bonus to The Backburner
Fixed the Flare Gun’s afterburn duration being lowered by the Flamethrower’s duration reduction
Fixed the teleporter exit using the wrong particle effect
Fixed HUD damage indicators not appearing
Fixed Teleporters not reverting to level 1 when their other side is destroyed
Fixed receiving damage not causing view-kicks on players
Fixed Engineers & Spies being able to circumvent build restrictions
Fixed Server Browser not saving filter settings properly
Fixed a client crash in the targetID on clients running custom HUDs
Source: Teamfortress 2 Blog