Coinbiz analysis is spot on. Why would waves team indicate a major (v3 to v4) upgrade on a minor/non-breaking change.
Twiggy - these types of questions are not FUD and it would help if they were addressed.
I agree. If this has been adressed somewhere else, I`d like to see a link please.
I would like to see this cleared also and I'm just going to speculate a bit now

These small changes to the lite wallet were probably caused by some important changes in the full node code regarding fees and client identification.
But of course I don't have access to the code soo .... there's that