Description of problem: Error: Problem: conflicting requests - nothing provides libprotobuf.so.14()(64bit) needed by mumble-1.2.19-4.fc28.x86_64 Also it seems Mumble is missing the required metadata to show up in GNOME Software meaning it is currently only installable on the command line.
Looks like it's currently FTBFS, latest attempt, https://koji.fedoraproject.org/koji/taskinfo?taskID=25858647 AudioOutput.cpp: In member function 'bool AudioOutput::mix(void*, unsigned int)': AudioOutput.cpp:365:37: warning: conversion from '__gnu_cxx::__promote_2<int, float, double, float>::__type' {aka 'double'} to 'float' may change value [-Wfloat-conversion] const float adjustFactor = std::pow(10, -18.f / 20); ~~~~~~~~^~~~~~~~~~~~~~~~ AudioOutput.cpp:434:18: error: expected primary-expression before 'float' if (std::abs<float>(front[0] * top[0] + front[1] * top[1] + front[2] * top[2]) > 0.01f) { ^~~~~ compilation terminated due to -Wfatal-errors. I'll take a closer look.
mumble-1.2.19-8.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-6e5a1a7fc3
mumble-1.2.19-8.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2018-6e5a1a7fc3
mumble-1.2.19-8.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.