1. This isn't 100% reproducible, so it may be a change that hasn't fully rolled out to all gmail users 2. It does reproduce on 31+ for those users than can reproduce it 3. Clicking on the "attachment icon" in the compose window results in no action at all 4. The workaround is to add mail.google.com to the pop-up exception dialog. 5. We are seeing a significant spike in feedback on our forums and input over the last few hours 6. It is worrisome that Firefox is not prompting the user that there is a pop-up and to allow it.
Per https://productforums.google.com/forum/#!msg/gmail/q0BxcGOa6pk/AdfzrS8Pif8J it's fixed as of yesterday afternoon.
resolving per comment 1.
Status: NEW → RESOLVED
Last Resolved: 4 years ago
Resolution: --- → WORKSFORME
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