The continual code clean-ups are very nice to read about.
With the added interoperability improvements LibreOffice will surely increase its market share.
It's already claiming download numbers equal or better to Apache OpenOffice, at last. And when the full Android version (not just a viewer) is finally released, it should be enormously popular.
Yes. Unpredictable bugs have been my major concern with it forever. I'm never confident that it hasn't silently deleted some pictures from my documents or break the pagination. So I use all sorts of dirty hacks to try to detect corruption. It used to do that quite often. So it's great to see they're finally taking bugs seriously.