Latest info i've read was late march.

Miners don't care about long term if they sell right away. They didn't activate segwit because they could lose short term profits, even though it could take btc to 2k.

http://raiden.network/
https://medium.com/@brainbot/update-from-the-raiden-team-on-development-process-announcement-of-raidex-6c94b4edcf73#.2s8cxvfbe