Last thursday,Steam released its biggest team fortress 2 update.
It included :

Spy Update:
The Ambasator-

-15% damage

-25% firing speed

Citical hit on Head
*Yes that is scouts mom embeded on the barrel*

-The Dead RInger*Great for arena games*

Removes all cloaking abilities*except for what it does*

First non-lethal hit,you look like you die,but you get an 8 second cloak,then after 8 seconds,your seen and your body vanishes

-The Cloak And Dagger

Can No Longer pick up weapons or metal boxes to refil your cloak supply

Can be cloaked forever,only loses power when walking,recharges when not

Makes a very loud and annoying sound when decloaked

Sniper Update:

The Huntsmans Bow-

Pins enemies who will die with your arrow against a wall if their near a wall

usually a 1 hit kill with your 1 second fully charged arrow

Jarate:
''Piss in a bottle'' jar Bassed karate

used to short out spies cloaking watch

extingueshes burning enimes

Mini crits for enemies who have been pissed on

Razorback:

a shield with a car battery tapped onto it

One backstab will shatter it

Causes enemies to not be able to backstab you until their knifes cool down


Then it comes with 3 new maps:

Payload RACE:
Pipeline

Arena:
Nucleas
Sawmill


They also added a weapons drop system.You get new AND old weapons every so many hours,they averege how many hours you play a week.and that hours is how many times you get a weapon.I only got 3 of the new weapons.The ambasator*2 times* Jarate twice and the huntsman.Ive gotten alota double thou.

Also:
Hats:

Fedora for spy

Affro for demoman

Light on engineers helmet

bismark for medic*i think*

and thats all i know with the hats atm.