Continuation of this thread https://support.mozilla.org/en-US/questions/1310388?page=2#answer-1386708 which I didn't reply to for a while and got archived Ever since the issue I had with tabs not being restored I've taken to simply bookmarking everything I might need later which has resulted in a large number of Bookmarks Soon after this I noticed my History wasn't being saved beyond 7 days and thought this might be due to the bookmarks competing for resources with the history I checked places.history.expiration.transient_current_max_pages and it's value is 98675 My disk space fluctuates but it never usually dips below 10GB