Like many others, I switched away recently after years of Mozilla’s constant suckery. Fed up with dealing with their constant terrible decisions.

Indeed. I have no doubt that BlueSky will eventually enshittify given that they are not truly non-commercial, but this is not an example of such a thing.

Yeah I love LibreOffice’s customisability including sidebar etc, but OnlyOffice just performs a lot better and handles the most common formats better for me