Hi Elliot,
In a Gallery field, clicking on an image in the gallery now loads a whole admin page into the side box (see attached).
In the console (on refreshing the page):
[Error] ReferenceError: Can't find variable: acf
Global Code (post.php:2593)
[Error] ReferenceError: Can't find variable: acf
Global Code (post.php:2597)
[Error] TypeError: null is not an object (evaluating 'a[c]')
initializeTinymce (acf-input.min.js:3:29907)
initialize (acf-input.min.js:3:29554)
initializeEditor (acf-input.min.js:3:3407)
initialize (acf-input.min.js:3:3106)
t (acf-input.min.js:1:13134)
d (acf-input.min.js:1:12449)
i (acf-input.min.js:1:11439)
doAction (acf-input.min.js:1:4546)
(anonymous function) (acf-input.min.js:1:10857)
dispatch (load-scripts.php:3:12450)
handle (load-scripts.php:3:9179)