Hello, i tried reproducing this issue on the latest versions of Firefox Nightly , beta 78.0 and release 77.0.1 but unfortunately I couldn't. I used Facebook for the embeded video and after sharing it I played it and it worked. Can you test the issue while in Safe Mode. You can find helpful info here : https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode . Also a fresh new profile could help. You can find more about creating a new profile here : https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems#w_6-create-a-new-firefox-profile . If possible, you can test this issue on the nightly build as well. Download the build from : https://www.mozilla.org/en-US/firefox/nightly/all/ .
Bug 1647183 Comment 1 Edit History
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Hello, i tried reproducing this issue on the latest versions of Firefox Nightly 79.0a1 (2020-06-26) , beta 78.0 and release 77.0.1 but unfortunately I couldn't. I used Facebook for the embeded video and after sharing it I played it and it worked. Can you test the issue while in Safe Mode. You can find helpful info here : https://support.mozilla.org/en-US/kb/troubleshoot-firefox-issues-using-safe-mode . Also a fresh new profile could help. You can find more about creating a new profile here : https://support.mozilla.org/en-US/kb/troubleshoot-and-diagnose-firefox-problems#w_6-create-a-new-firefox-profile . If possible, you can test this issue on the nightly build as well. Download the build from : https://www.mozilla.org/en-US/firefox/nightly/all/ .