I can only reproduce on my Windows machine, but not on my Linux one. Steps to reproduce: 1) Set Firefox to restore session; 2) Open about:newtab; 3) Close Firefox; 4) Start Firefox. The restored page is completely empty. The tab title is "New tab". If I open a new tab, the tab title of the empty page turns to "undefined".
Seems like the same underlying issue as bug 1382139
Status: NEW → RESOLVED
Last Resolved: 10 months ago
Resolution: --- → DUPLICATE
Duplicate of bug: 1382139
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