Not really a party, but more just to spread awareness.
If you're someone who likes data hoarding, or have lots of bandwidth to spare, or just want a museum's full copy worth of ISOs, the releases.ubuntu-mate.org server is now decentralised, relying on BitTorrent to spread the files around the world. The total archive is 289.74 GiB.
To join the swarm party, the torrents are linked on this page: 
BitTorrent is good at integrity, but if you need them, here's a full copy of the checksums.
