Local 1699

Nov 5, 2020

1.9.7:
*Added support for new backend.

1.9.6:
*Fixed memory leak issue in PDF renderer.

1.9.5:
*Now targeting Android 10.
*Dropped support for Android OS prior to Marshmallow (6.0).
*Fixed a bug where the connection would be closed after downloading each file. This significantly increases the download speed for content.
*Updated pdfium version to 1.9.
*Added size warning before initiating protocol downloads.