Hi David,

Here is an updated build which seems to be working without any issue on our 
end.
​
*Expected behavior:*
​User can view documents without any problems in both continuous and 
non-continuous mode (in any zoom level)

Please let me know how they work for you.
If no issue is found, we will include it in our next release.

Best regards,
Justin Jung
Software Developer
PDFTron Systems Inc.