From the Official Page:

Together with host Geoff Keighley, the global gaming community will have all eyes on Cologne on August 25. gamescom Opening Night Live (gamescom ONL) will kick off gamescom 2026 with a spectacular show packed with world premieres, exclusive announcements and surprises. 

Get ready for epic trailer and gameplay reveals, new games, chats with celebrity guests, emotional goosebump moments – plus a first look at the highlights of gamescom 2026. 

Not sure what to expect from this, but... World Premieres, after all.

Let's see if something interesting will show up.

It's in an unfortunate spot this year since just two days later GTA 6 is gonna completely steal all attention away from announcements during it. It'll be a really big three days of gaming news though.