Treyarch have announced a new event, called Fourth of July, that will come to Black Ops 4 next week:“

Fourth of July” Special Event Starts Tuesday

We’re kicking off our “Fourth of July” limited-time special event in the Contraband stream on Tuesday for all platforms, featuring a new earnable Ultra Weapon Bribe. As a reminder, Ultra Weapon Bribes will reward players with a new ranged Black Market weapon and two Reserve Cases. If you already own a variant of all Black Market weapons, Ultra Weapon Bribes will award an additional weapon variant.

They have also announced the continuation of the Aether story will arrive on July 19th:

“Alpha Omega”: Aether Returns – Official Call of Duty®: Black Ops 4 Zombies Video

Also the PC version was updated to 1.18 and now features quickplay:

PC 1.18 Update Featuring Quickplay

Our 1.18 update went live on PC yesterday, featuring Contracts, Hacienda Twilight, Medals and Humiliations in Blackout, PC-specific weapon tuning, and the new Quickplay playlist option in Multiplayer and Blackout. Get all the details here.

You can read more about the recent update here.