They extended it on CJ through end of May.
eBay Partner Network Blog » Migration deadline extended until May 31st
Note that because of our contractual obligations, as of May 31st, you will no longer be able to receive any commissions through Commission Junction.
This will include commissions from clicks in May that convert into purchases or ACRUs in June. So please switch all your links as soon as possible to eBay Partner Network to ensure you receive all your commissions and begin to enjoy all the new benefits of global registration, new creatives, and better reporting on the new eBay Partner Network.