hello - are pre-release images of flytekit available to pull? there is some code in

master

that i'd like to test locally. if not, is building via

Dockerfile

the recommended local path?

you can try latest image. https://github.com/flyteorg/flytekit/pkgs/container/flytekit/134316111?tag=py3.9-836b314e25ebc3ccd30fbcff79705b8d91e1fbaf

perfect, thanks!