Apparently it is not new change [1]. I just happened to notice it now since I rarely used it before. Now the tablet functions as a handy Zoom whiteboard [2] drawing tablet. Good thing I didn't throw it out.

[1] https://www.androidpolice.com/2016/05/10/es-file-explorer-up...

[2] To those who might laugh at my paranoia about ES while I happily use Zoom, I teach classes and it is not an easy choice not to use Zoom.