DeepOnion yearly PoW block reward halving just happened.

Mineable Pow rewards dropped from 1.0 ONION to 0.50 ONION

Next year these days we'll see another halve. from 0.5 to 0.25 ONION reward per block.

You can see sample 0.5 ONION block here

https://chainz.cryptoid.info/onion/block.dws?2968493.htm