Larian will not be working on Baldur's Gate 4, or any expansions for Baldur's Gate 3, it has just been revealed.
This information comes from the CEO of Larian himself - Swen Vincke. Hosting a talk at GDC 2024 titled "The secrets of Baldur's Gate 3", he closed with this bombshell after roughly an hour of development discussion, funny storys, and revelations about work left on the cutting room floor.
"I told you at the beginning that we were a company of big ideas" Vincke said. "We are not a company that is made to create DLCS [or] expansions. We tried that actually a few times, it failed every time. It's not worth it. Life is too short, and our ambitions are very large, but like Gustaf (the dog whose name was attributed to Baldur's Gate 3 during development) it was always have a warm place in our hearts."