My first encounter with ED25519 was via Gitlab. Didn't have a clue there was something 'else' to do and it's good to be able to read the discussion here. Can I

My first encounter with ED25519 was via Gitlab. Didn't have a clue there was something 'else' to do and it's good to be able to read the discussion here. Can I assume RSA is still 'good enough' though and something to just 'phase out' as my servers come and go?