I went to Devoxx last Wednesday, and there was a great announcement in the opening keynotes: the Devoxx presentations will no longer be hosted on Parleys, but instead on YouTube and Vimeo. Not only that, but they've changed the way they record the presentations. As a result, the videos have been available since yesterday evening. So I present to you:
https://www.youtube.com/channel/UCCBVCTuk6uJrN3iFV_3vurg/videos
Enjoy