As I mentioned on GitHub, I had what OMG4 considered to be a working/clean database. I didn't sync for a couple days, then downloaded and ran OMG5. Database corruption detected after attempting to sync for a minute or two. Since then, I tried opening OMG5 again at a later time and it synced just fine (no corruption detected). Downloading OMG6 now.

P.S.
Is coming from a database deemed clean by an older client (OMG4, 5, etc.) an adequate test or do we need to rebuild/resync from scratch (or the latest torrent copy) with each new version? Thanks.