I posted this comment elsewhere:

In case anyone is curious as to why, here’s a direct quote from them (Tavi) in Fairphone forum:

As mentioned, it is the 10 year anniversary. That is a long time and I need to move onto other projects in life.

They also have this for those looking to replace Mull: https://divestos.org/pages/browsers

Better be real soon. You’ll need a Visa to travel to the EU starting in 2025 - just passport won’t work anymore. EU was preparing for this scenario for years, expecting a huge wave of American immigration after a Trump win.