HDCP 2.2 blackscreens when TV is power off/on or HDMI port is switched if box still ON FW v2.1.6/v2.1.7
Doesn't it help if one turns off the CEC, HDMI auto adaptation and HDCP option in the Settings menu?
Or a CEC-less HDMI adapter maybe?
One user has also reported:
He upgraded from 2.1.4 to 2.1.7 
and than back to 2.1.4, but this blackscreen issue (when switching HDMI outputs on the AVR) still exist for him. Could it be that some part of the 2.1.7 FW has "stuck" somehow between? And if yes, what could be here the solution? Ha has done all the updates with the "toothpick" method.
- All HiMediaVideoPlayer settings mess with save option per file and not global FW v2.1.4 2019-09-->v2.1.7
Does this issue also apply to the subtitle position settings?
- WiFi always ON when open new settings (OvSettingsUI) FW v2.1.4-->v2.1.7
The Wi-Fi is also always ON after every fresh bootup in 2.1.1, even if turned OFF in the Settings before.
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And to add to the list:
SD 4:3 aspect ratio videos displayed incorrectly a bit "squeezed" horizontally. (There was a Thread dedicated for this issue, with pictures demonstrating the effect, but I just can't seem to find it now). From 2.1.1 FW and up for sure.