Pop up window not showing top portion
This happens fairly frequently lately. Didn't recall it happening ever before a few weeks ago. Does not appear to be zoom related. Hitting the button again a time or two will usually show the whole normal window.
Here is the cut off one:
And a normal one:

Here is the cut off one:
And a normal one:

Comments
I pushed a possible patch for this issue in v21.0.10 can you re-install the extension to force that update and let me know.
Chrome Version 64.0.3282.140 (Official Build) (64-bit)
macOS High Sierra 10.13
Noticing this for me, already made a topic before realising this was the same issue as I was seeing it blank instead of it being cut off.
https://jasonsavard.com/forum/discussion/4250/clicking-on-button-cuts-off-window-and-appears-empty-or-blank-some-workarounds#latest
https://i.imgur.com/jBJus6T.jpg