I attempted to attach a screenshot to #3793 today, but was unable to do so. It simply writes <!!image> but no image is attached. It is possible to attach images to comments.
<!!image>
Metadata Update from @ryanlerch: - Issue assigned to ryanlerch
Metadata Update from @pingou: - Issue set to the milestone: 5.1 - Issue tagged with: bug
@ryanlerch I have the fix for this, taking it over (since I know you're asleep right now :))
Metadata Update from @pingou: - Issue assigned to pingou (was: ryanlerch)
Commit 492c748b fixes this issue