Your package audacity failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24769076 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
A build was successfull: audacity-2.1.3-8.fc28 [1]. No update was found in bodhi. Closing the bug nonetheless. [1] https://koji.fedoraproject.org/koji/buildinfo?buildID=1013793