The image upload button stopped working for replies, comments, issues, etc.
I believe the culprit is that it is not a button but a label element. Seems like this is a mistake and that a click handler is likely missing/not working because of it.
Here is an image of the button I'm referring to:

And here is an image of the markup I'm seeing when I inspect it:

What a coincidence, I fixed it 4 hours ago, but the PR hasn't been merged yet 馃槅
The <label> was supposed to be linked to the <input type="file"> field but I guess the selector was modified and jQuery swallowed the error.
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What a coincidence, I fixed it 4 hours ago, but the PR hasn't been merged yet 馃槅
The
<label>was supposed to be linked to the<input type="file">field but I guess the selector was modified and jQuery swallowed the error.