This bug sounds like its fixed per last comment, however the inablity of testing on latest Ubuntu/firefox version will hinder us from further diagnose the problem, Please make sure the settings in firefox preferences are set to use correct app to play the files.
This bug sounds like its fixed per last comment, however the inablity of testing on latest Ubuntu/firefox version will hinder us from further diagnose the problem, Please make sure the settings in firefox preferences are set to use correct app to play the files.