Firefox extension not retaining items

[SpaceMan21]

I have the Firefox version of the extension, and when ever my cat gets a new item it doesn't save and will disappear after I close my browser. I have also used the Chrome version and that works fine. I love this extension and hope that there is a solution :)

[Kerfuffle969]

Can someone PLEASE answer this question? I have the same problem, but think it is linked to my history. it was saving my items until I told Firefox to 'never remember' my history today.

Is this correct? do I have to 'save' history to have this extension remember my items?

[Happy-Ferret]

I ran into some similar issues today while developing my own add-on.
Coincidentally, I kept opening a few new tabs while developing Cookies and noticed localStorage being cleared whenever I intended clearing all cookies.

Until I saw this issue here, I assumed this was in relation to something in the browsingData API the next version of my own extension is using. Now I wonder if this isn't an issue with the way Firefox manages history/browsing data, in general.

Related: https://bugzilla.mozilla.org/show_bug.cgi?id=1506570

@Kerfuffle969

In your case it appears to be indeed an issue with Never Remember History. See: https://bugzilla.mozilla.org/show_bug.cgi?id=659588#c1

If you have it set to "Never remember history" then we do not store DOM storage (localStorage) data to disk.

[rjmagley]

For anyone having a similar issue, who is very sad that their cats only have soccer balls and athletic headbands to accessorize with, I got Tabby Cat's inventory to start collecting items again in Firefox by changing the cookies option to just block cross-site tracking cookies. Previously on my machine it was set to "Cross-site tracking cookies, and isolate other cross-site cookies". Presumably it's because the URL generated by the extension for each unique cat is "cross-site", but I'm not sure - I don't really do a lot of work with browser extensions.