Seems to break something related to Devanagari and anchors that worked with the previous stable version. I don’t know the details, but a report is on its way if you didn’t get it yet. So that’s the reason why we’ve to stick in the stable.
When working in a team with complex stuff we have to find a way of working together as smoothly as we can, and we’ve realized different people working with different versions of the app in the same project is not a good idea. I don’t know other teams experience but that’s ours.