Thanks for reporting! I tried to reproduce this issue using Firefox 91.5.1esr and Beta 97 on Ubuntu 20.04, but unfortunately I didn’t manage to recreate the situation. Upon changing the setting "browser.display.use_document_fonts" to "0" instead of "1" though, using Firefox 91.5.1esr, I refreshed the web pages and the pages were blank. Could you attach a screenshot of the occurring issue?
Bug 1752414 Comment 3 Edit History
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Thanks for reporting! I tried to reproduce this issue using Firefox 91.5.1esr and Beta 97 on Ubuntu 20.04, but unfortunately I didn’t manage to recreate the situation. Upon changing the setting "browser.display.use_document_fonts" to "0" instead of "1" though, using Firefox 91.5.1esr, I refreshed the web pages and the pages were blank. Can you please mention the Firefox version you're using? And can you also attach a screenshot of the occurring issue?