Mass Effect 5
No real details apart from them saying that they are working on a new game https://blog.bioware.com/2020/11/07/happy-n7-day-4/
Meanwhile here at BioWare, a veteran team has been hard at work envisioning the next chapter of the Mass Effect universe. We are in early stages on the project and can’t say any more just yet, but we’re looking forward to sharing our vision for where we’ll be going next.
Euro Gamer has posted some concept art https://www.eurogamer.net/articles/2020-11-17-next-mass-effect-teased-further-in-new-artwork although looking at the three new images they could have come from any of the games.