docker pull containers.intersystems.com/intersystemscorp/iris-community:2021.2.0.649.0

is probably

docker pull containers.intersystems.com/intersystems/iris-community:2021.2.0.649.0

Interesting news. Question: as access to containers.intersystems.com requires a WRC account, how do prospects/new users/people without WRC access can get community version of InterSystems IRIS?