It's possible to upgrade to 0.61 only from 0.60.X. If you're on an older version, download and run 0.60.4 first. Only after that upgrade to 0.61.
Since last beta:
- sync fixes
- sync problems are the main blocker for the stable release, hopefully it's sorted out now.
- Fix right click bookmark bug by @SiriusXT
- provide note dates in the frontend API, fixes #4232
- fix clipperInbox handling for new note creation, closes #4219
- fix orderby with multiple labels, closes #4220
- add imageStyle alignBlockLeft, alignBlockRight, fixes #4215
- fix FNote.getContent() #4210
- fix displaying 1 / 0 in find widget
- add "api.runOnFrontend()" to the backend script API
- Fix bug: Calendar display incorrect tooltips
- allow specifying date created in the ETAPI, #4199
- force migration to 0.60 first before 0.61 #4132