We have provided a registry protected fix, some users confirmed that this worked for them.
Could you please try this at your end as well and let us know your feedback?
Kindly make sure you are on the latest DC build(20.012.20043) and then follow the steps from the attached word file: “Steps.docx”.
An error occurred while saving the commentSteve Matthews commented
Clicking on the comments list (only 4 in this document) is a 10-15 second delay, plus 5 seconds of beach ball and then I see the comments. This is such a slow down in production and very annoying.
Acrobat Pro DC, 2015 iMac, 10.11