Beginners guide for implementing Eltako FSR14, FSB14, FUD14 via FGW14

Hi all,

Things are progressing steadily, I hope to have the correct Eltako units installed in a couple of weeks.

However, this (openHAB 4 migration FAQ) worries me… Or was everything fixed in 4.0.2, and will I be fine with 4.0.4?