They beat Betterbird to it. Unreal! Probably because it's nighttime in Germany.
Update: Actually, there will be no Betterbird v128.7.1. From their website:
Q: Why is there no Betterbird v128.7.1?
A: We shipped all but one of the fixes contained in Thunderbird 128.7.1 already in Betterbird 128.7.0. If you want to get the "freshest" changes, install our "latest build."