Syncing highlights/notes/bookmarks + Epub 3 support is NEEDED! – Marvin Classic - eBook reader for epub Review

It's been over a year I'm waiting for these changes!! Please extend syncing options as it only supports location syncing as well as adding support for epub3. Marvin couldn't open some of the newly published ebooks and sometimes crashes while I'm accessing an epub. Also it would be great if Marvin can support custom user-defined fonts for user's own languages( including unicode ones). Thanks
Review by ArianOnline on Marvin Classic - eBook reader for epub.