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google calendar sometimes does not render in firefox

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I have Firefox 72.0.1 (64-bit) as default browser. I use Google calendar, and Firefox sometimes gives me a mostly empty page, and sometimes works as expected. Chrome always renders the calendar correctly.

I have Firefox 72.0.1 (64-bit) as default browser. I use Google calendar, and Firefox sometimes gives me a mostly empty page, and sometimes works as expected. Chrome always renders the calendar correctly.
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Obviously, since it sounds like it's not a consistent issue, it might be hard to troubleshoot it. However, my first guess would be that it's something to do with a content blocking add-on that you have installed on Firefox, like uBlock. It's possible that one of them is blocking content that prevents the rest of the page from loading properly.

I use Google Calendar nearly daily and I've never had the issue you've described.

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Yes, it's not reproducible. I think it started a few months ago. I'll try safe mode the next time it shows up.

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Good catch! The problem was uBlockOrigin extension. I reported it to their Reddit. Thanks!

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I am glad to hear that your problem has been resolved. If you haven't already, please select the answer that solves the problem. This will help other users with similar problems find the solution.

Thank you for contacting Mozilla Support.