I use Sailfish on my Fxtec. On 2828th of April, I have manually called zypper refresh & update. A bunch of packages got updated, including droid, pulseaudio, and jolla calculator, if I remember correctly. After that, camera is black, photographs are fine, but taking photographs while flying blind is very inconvenient. Reboot did not change anything. When calling camera from command line, I get "signal 'show-frame' is invalid for instance '0xac244200' of type 'GstDroidEglSink'". I hope it is easy enough to resolve because I do not want to have to downgrade - if it is even possible .

Thank you. Best wishes.
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Per aspera ad astra...