As a mainly MacOS user I have ran into the issue of Teamviewer hanging due to two of my MacOS machines trying copying the contents of the clipboard between the two machines continually. Luckily the workaround for this, until Teamviewer release a fix, is quite simple.
- Open Teamviewer on MacOS and head to the settings.
- Click on Advanced.
- Scroll down and untick Clipboard synchronization
- Click Apply
Doing this workaround will mean that your clipboards won’t sync when using Teamviewer, but until an official fix is released this should help resolve the issue.
Sam's Blog 