since it’s JIT, it’s actually faster than Python and Java in most cases.

Java is JIT’d too, and Python can be depending on which runtime you deploy.

What has changed about RPN or calculators in the past year?

You can check the release notes to be sure, but generally you can just perform the update and move on with life. Backing up your data is always a smart precaution.

“We” haven’t moved anywhere, I just chimed in for the first time with my interpretation of what the other person was talking about. Jeez.

GitHub is a git hosting provider, but it also has its own service software for all the peripherals - organizations, issues, pull requests, all the user account management stuff, etc. AFAIK those parts are mostly/all proprietary.

Generate the binaries during test execution from known (version controlled) inputs, plaintext files and things. Don’t check binaries into source control, especially not intentionally corrupt ones that other maintainers and observers don’t know what they may contain.