You are right, there are more and more bugs, which are very annoying.
The “funny” thing: Not only the wifi band chooser disappeared, but also the “Keep on wifi during sleep”-chooser: Fairphone 3 loses wifi connection
After few month owning the new FP3+, I really don’t know what to do anymore. Dozens of bugs, no help from the support and not one single update to fix all these bugs. And even the Google security patches seems to be on hold. Latest patch was from October. November patches are missing, now it is already December.