Bug#949834: (no subject)
Cant' reproduce, I was using 68.4.1esr-1~deb10u1, today I upgraded to 68.5.0esr-1~deb10u1, everything works fine. System is Debian Buster 10 on AMD64.
Bug#814316: Confirming bug
Confirming bug on my system, firefox in complaining about Flash being out of date, result: update-flashplugin-nonfree --status Flash Player version installed on this system : 11.2.202.616 Flash Player version available on upstream site: 11.2.202.621 flash-mozilla.so - auto mode link currently p