Clearly people have a problem with the left one. FAB getting in the way, visually distracting etc. But, what happens on the right one when you are on another tab? Currently, the scroll pos is preserved between tab changes. Does it go back to the top? Do you have to tap it twice?

Return of the Obra Dinn. It definitely has its own vibe with an interesting story. If you like good indie detective puzzles. www.playstation.com/fi-fi/games/...

Just upgrading our app to V7 and similar shifts seem to happen when navigating between bottom tabs. Possibly related?