After receiving SW 3.90 update 3 days ago some of the data screens I have defined for activities are lost.
For example, I had 3 data screens defined for Cycling prior to 3.90 upgrade (Screen 1 with 4 fields, Screen 2 with 6 fields, Screen 3 with 1 field).
After the upgrade, I have ended up with 2 screens - the first and the last (Screen 1 and Screen 3 were preserved. The Screen 2 is gone)