I'll nudge them about the reversed mouse scrolling and dig through the other threads to look at the other issues - there was also some problems regarding compatibility when adding villa and modular intercom doorbells.
For pre/post playback, it looks like these settings are now in Storage Management > Storage Schedule > Video Recording > Advanced Configuration (for each channel):
View attachment 10988
I haven't tested whether these work as they should yet, but there is a 5 second option for both...