I know this feature has already been requested. However it's sufficiently critical, and apparently sufficiently low priority to Joplin developers, that I feel it's worth bumping again.
I checked Joplin every year or so for the last 4 years, hoping to switch. I can't because of this feature.
It appears that the Joplin team may consider syncing to be a solved problem. But for me, and presumably millions of other potential users who are used to the functionality of competing apps, it's not.
Neither of the two sync systems currently provided by Joplin seem to sync as often and transparently (invisibly) as leading alternative apps in the field: e.g. Simplenote, Apple notes, Evernote, etc.
Those apps allow users to forget about syncing altogether, and in my experience with Simplenote at least, make worrying about data loss a thing of the past.
My primary reason for using Simplenote is to prevent wasted work time by ensuring that written work is virtually guaranteed to be stored reliably. It does that job. For me this is a table stakes feature - "permission to play" - a minimum for any notetaker app in this category.
I have 4,025 notes currently created and saved in Simplenote. I can count the times I've lost data on one hand. That, despite my laptop hard freezing twice daily for the last two years during the work day.
Either Joplin doesn't have this functionality, or communication about it within the website and client applications communicates how it works very poorly.
In my own brief testing of Joplin notes do not get synced quickly or reliably. And hence I cannot adopt Joplin for myself or my company.
And so I raise this feature request again, as others have before me, and ask the product / development team to consider carefully the presumably large part of the market which they're leaving behind by not investing more resources in the implementation and / or communication of more competitive note syncing frequency. Thanks.