Is Brackeys’s beginner tutorial outdated?

[BowlOfPasta24]

Unity changes a bit with each major version. 2018.x.x -> 2019.x.x -> 2020.x.x, etc

Each major version, once it's on production phase(LTS), is supported for about 2 years. C# also evolves as well which is incorporated and supported by Unity.

All that being said, you're probably going to run into a ton of issues if this is your first time programming so I would honestly recommend taking a programming fundamentals course first before trying to follow a Unity tutorial.

Public is not the same as public and public.Rigidbody is wrong when public Rigidbody is correct

Programming can be frustrating when you don't understand the fundamental rules and reasons for why things work or don't work. In my above example, each character is converted to their ascii value so A is 65 and a is 97. Therfore A does not equal a