Hello,
Thank you for reporting the issues, we would like to take a further look into the issues you are having after update. So if possible, provide us with a detailed problem description and also please gather logfiles that will show us feedback from the driver. The instructions on how to gather the logfiles can be found here:
How to report macOS issues to DisplayLink
Then please send the files to our support directly:
technical-enquiries@synaptics.com
Or attach them to your response.