https://xenforo.com/community/threads/xf-http-upload-analyzeaudio-function-reads-aac-as-mp3.215665/
Fixed - XF\Http\Upload::analyzeAudio() function reads aac as mp3 | XenForo community
While writing an addon that adds support for additional audio formats, I noticed a strange bug? If you upload an .aac file with the mime type...