Canvas content disappears on mobile and cannot be restored from version history

[jonpwarner]

I opened a Canvas on the mobile app only for the contents to be immediately wiped (first unexpected behaviour)

Going to version history on mobile and/or laptop shows the previous Canvas versions with content, but restore is not an option (second unexpected behaviour)

I managed to get the file back by going to logs, getting the deleted JSON, pasting it into a txt file and renaming that with .canvas.
Not an ideal solution though.

Notes:

• I use obsidian on Mac and iPhone
• I use Obsidian sync service
• I do not have my files sync’d by any other means
• My vaults sit under my Mac user folder ~Jonathan/vaults/…

I hope these screen shots clarify things a bit:

First shows the correct content, but no restore option

The second shows the blank Canvas after opening it on the iPhone:

The only version I can restore is the blank version

Here is the older revision from 15:35 on the phone, it shows the canvas content prior to it being wiped, but there’s no restore either:

Thanks for considering how this could be improved/fixed

[WhiteNoise]

that’s pretty weird.

Is this still happening??

What is your mobile version number? you did not include the show debug info.

[cheezopath]

I’m getting this on desktop as well. Clearly the historical data is safe somewhere, but I see no interface to actually trigger the restore 1.8.9 windows. I was lucky enough to have a git backup on top of sync so I got my file back already.

[WhiteNoise]

@cheezopath

but I see no interface to actually trigger the restore 1.8.9 windows.

what does this mean?

[cheezopath]

here’s history of a file that somehow got emptied

Note the option to restore at the top

here’s an old state with the content I wanted to restore, but the restore button is gone, so I can’t restore it

[WhiteNoise]

Ok, I’ll double check this. Which obsidian version are you running?

[cheezopath]

1.8.9 thanks!

[WhiteNoise]

Ok, we are at 1.8.10.

Does downloading and reinstall obsidian help with this?

[cheezopath]

OK I worked out what it was! (I also upgraded to 1.8.10, though it didn’t change the behaviour)

seems to be an issue of the canvas aspect ratio. when I made it landscape, the controls reappeared. It’s also quite a large canvas, so that may have an impact.