Trying test and on ZoiperH5 on Linux fedora25 x86_64 and on xmpp account none of the contacts are fetch from the server. Tested on 3 paid licence and it works fine. in log I see only
APP Started! [ PID: 20826 ]
X error received: type 0, serial 319, error_code 8, request_code 42, minor_code 0[0126/104554:ERROR:browser_gpu_channel_host_factory.cc(113)] Failed to launch GPU process.
cat: standard output: Bad file descriptor