Bug 1872858 Comment 6 Edit History
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https://share.firefox.dev/3tOZrRs This may be more reproducible if you try to capture a Gecko profile while the demo is opened.. I also get these 2 crashes sometimes : https://crash-stats.mozilla.org/report/index/6605ee32-35bf-4c67-913d-49bb90240103 https://crash-stats.mozilla.org/report/index/541bec33-b4c9-423e-a6f5-aebbd0240103#tab-bugzilla