Not the poster, but I personally know folks who have gone

Assembly (for 6800 series Macs) -> C (PC on windows) -> Java (hosted on prem) -> Cloud hosted Java + JS/React.

Depending on your definition of ‘foundational principles’ either nothing has changed, or everything has. But one thing is clear, the day to day is completely different.

I'm talking about things like 8/16/32/64-bit processors, CISC vs RISC, from mainframes to personal computers, from isolated machines to ubiquity of modern Internet, quantum computing etc. Note that I'm talking about the fundamentals of software engineering, not software science.