I have assigned this issue to a member of our support staff, who will post here if they have any questions for you. In meantime, please get system information for your Mac. You can find this in Apple menu under About This Mac… copy information there, minus Serial Number, and paste it here for us. Thank you!
I’ve used information that you’ve provided to enter following bug report: JIRA [UE-22984]. Should this issue be resolved in a future version of Engine, we will notify you with an update to this post.
A bug report has been filed but this issue has not been corrected. When it is we will add an update to answer below telling what version of Engine contains correction.
I have similar problem on Win 10-64 and in addition in some other places of interface.
Blink dropdown menu “Material” in Set Material node and in dropdown menu “Variable Type”.
I’m having this issue: UE4 Mac Bug - Album on Imgur on UE4 4.23 on a MacBook Pro 15" MacOS 10.14.6 (18G95) (Mojave) and that happens on every dropdown menu in editor.
It only happens on Mac monitor (unplugged from an external monitor).