This image is rendered as an inline image and the dialog, at the moment, won't edit it at all. The editing capability for inline images is introduced in the upcoming (big) change for the Image Model.

I've tried to reproduce the bug in both local master and in betalabs and the image doesn't let me open the edit dialog (as expected)

See here: http://en.wikipedia.beta.wmflabs.org/wiki/2014_May_11_TestImageBug?veaction=edit

Am I missing something?

(In reply to Moriel Schottlender from comment #1)

This image is rendered as an inline image and the dialog, at the moment,
won't edit it at all. The editing capability for inline images is introduced
in the upcoming (big) change for the Image Model.

I've tried to reproduce the bug in both local master and in betalabs and the
image doesn't let me open the edit dialog (as expected)

See here:
http://en.wikipedia.beta.wmflabs.org/wiki/
2014_May_11_TestImageBug?veaction=edit

Am I missing something?

Double clicking the image opens the "Media settings" dialog for me.

Okay I just realized a huge bug: The image dialog popup/button doesn't appear (because it shouldn't yet) but double-clicking opens the media edit dialog.

And since the image is inline, the dialog is not ready to handle it, the dialog then crashes.

This seems to be a double-click bug; WhatamIdoing can you approve that this is how you opened the dialog?

Not exactly: I selected it and pressed the Return key. It has the same effect.