Now block 5045
Rewards not halving for miners. All 20 coins have miners.
One more troubles for mastermodes?
No - updates are possible since block 5040 but not yet enforced. We are in contact with devs to rollout the enforcement soon.
Masternodes are being picked for payout... but not getting paid.
Jep:
masternode_payments_started": true,
"masternode_payments_enforced": false,
That is totally ok. Everything is working fine. We are updating with dev to enforce payments soon so that all blocks without payments are rejected by network. Currently it is optional for pools to pay - soon it will be enforced.