I haven't tried, but according to the PR, it looks like it is supported.

  Alex Villa With macOS, you can install XCode and with that comes the Simulator app which allows you to emulate various iOS devices.

  Eric Chua It's a simple template. I try to keep things as untouched as possible when creating an episode. The main differences between a stock Rails app and the templated one that I use is just some styling differences. However, I do provide the source of the application templating that I use at https://github.com/driftingruby/template

I have seen them be extremely useful where sometimes a race condition would occur but the data integrity was saved because of the Db constraints 

Yes it does (in my experience with a caveat). A couple of my services deploy via github actions and I changed the registry over to the localhost:5555 one and it does seem to work. One thing to note about my environment is that I use a remote runner for the Github actions. I am not sure about using one of their hosted runners if that would work or no.

Regarding the different ports, you can do that, but it should only be necessary if you're concurrently doing deployments using the local registry. I haven't tried different ports since my deployments are inline.