Prerequisites: Have some websites pinned 1. Open Firefox from your terminal. 2. Unpin one of the websites. 3. Go to the terminal from which you opened Firefox and kill the process by pressing on the Ctrl+C keys 4. Using the terminal - open Firefox again. 5. Check the new tab page. Expected Result: The unpinned web site in step 2 should not be pinned due to forced shutdown.Pref changes should be persisted for unclean shutdown. Actual results: The unpinned web site in step 2 is still pinned due to forced shutdown.