That was indeed it. Disabled the extension, and GSheets works again for me. Thank you very much for sharing your discovery with us here and happy new year to you.
Replying to my own message since I cannot edit it.As suspected, more features have gone missing in Google Sheets with FF : searching with Ctrl+F no longer works, which is crippling to me. Is there a place other than this one where we can escalate bug...
Same issue here.In Google Sheets, I can no longer use the "delete sheet" or "conditional formatting" features, perhaps more. Can't be 100% sure, but it started happening since at least the latest FF update, perhaps 2.I'm currently using FF 132.02 x64...
