As a workaround please enter this code into your advancedsettings.xml file, stored in your userdata folder. For help finding/using that file on your system please see here and here.
To download a basic advancedsettings.xml correcting this please click here and install per the Wiki links above.
For assistance with using this sync feature please see here.
<!-- Compensate display latency (video lag). Latency is given in msecs. -->
<!-- Global default display latency -->
Thanks to those users who found the issue and the quick response and fix by bobo1on1.
UPDATE: RC2 is now available for all platforms except Ubuntu, which is expected shortly. The issue above has been corrected in RC2.