Warzone 2 Feb 17 update: Throwing knife buff, DMZ self-revive, more
Warzone 2 updates have been arriving at breakneck speeds, and Activision rolled out another patch addressing bug fixes and buffing lethal equipment items.
Infinity Ward and Raven Software have been working around the clock to address issues caused by theSeason 2 update. It all started on February 15, as the developers rushed out ahotfixto address vanishing armor plates on Ashika Island.

On February 16, Infinity Ward released a patch for the rampantgame crashesplaguing MW2 and WZ2. The update also fixed an issue causing players to lose the ability to move after reviving a teammate and an armor plate equipping issue.
For a third consecutive day, the Warzone 2 developers rolled out a fresh update, dealing with Field Upgrade and Killstreak Bugs, as well as a few gameplay adjustments.

Lethal equipment items buffed in Warzone 2
Semtex and Drill Charges will now down a player with maximum armor plates if they hit an enemy’s body directly. Throwing knives also down fully plated players if it hits their head or upper torso. Warzone 1 allowed players to one-shot enemies with throwing knives, and the decision stirred controversy among community members.
As for a few UI changes, players will now be able to see the attachments for their active loadouts with highlighted yellow indicators in the bottom right of the screen, and the Heavy Chopper that extracts the winning Warzone 2 team will now use the cosmetic skin used by the highest scoring team member.

Players who solo queue in DMZ will now be able to self-revive if their assimilated teammates are downed, and AI bomb drone effectiveness was decreased by 85%.
All weapon buffs and nerfs in Warzone & Black Ops 6 Season 5

Warzone Season 5 update patch notes
Warzone Season 3 update patch notes

The update also prevents players from abusing an exploit that allowed them to drive out of bounds without punishment.