docker pull ghcr.io/epicgames/unreal-engine:dev-5.6 : Error response from daemon: manifest unknown

Hi, I started building a new project for 5.6 and started to setup my cicd pipeline but just noticed there is no container image available for 5.6.
When I try to pull I get :

Error response from daemon: manifest unknown

When will it be available?

I did not got an answer to the post but the image got pushed!
Thanks!