This seems rather like a bug, than a feature request. There is a race condition mentioned in this thread which indicates Daily Notes are created prior to Sync, which may be the cause of this issue.
I use Obsidian with Sync on multiple devices. I have Settings β Daily notes β Open daily note on startup set to True.
If I have an existing Daily Note created from a Template in my synced vault, and open this vault on a new device with that same template, the template gets reinserted into my Daily Note, in other words, making it appear twice. This duplicated daily note is then synced!
As the Bug thread was closed, I am adding this as a Feature Request.
Proposed solution
Have Obsidian sync prior to creating Daily Note for Open daily note on startup
Current workaround (optional)
The only workaround I know of, is go to Settings-> Daily notes β Open daily note on startup, and turn this off. But I always want to start in Daily, I just donβt want the existing template duplicated!
Had extactly the same problem, with automatic creation of daily notes and two computers i would often get a bad merge on the second computer as it was just creating an empty note, applying itβs template, and receiving the one created on the first computer, merging both into a frankennote. Probably plugins and startup stuff should have the time to all execute their opening lifecycle and return a ready before syncing can begin.