This past week per several industry websites), Porter Robinson’s private server was hacked somehow and many tracks were downloaded. The tracks were apparently posted on the Porter Robinson page on Reddit (download links subsequently removed) here. Some tracks apparently were not created by the producer as well.
Statement from Porter’s Management:
Recently, a server was hacked which contained Porter Robinson demos from the years 2011–2014, as well as some more recent live show related music files.
The leak contains nothing that Porter is currently working on, nor anything that was planned for future release. The leaked music represents very old demos / ideas that Porter never intended to release at any time.
(We noted that we have not been able to independently find said management quote direct from Robinson’s management)