It's currently in pre-alpha phase and glitches on pretty much every modern website (source: I just compiled and tested), so not very usable right now. Their target is to release in 2028. (See https://x.com/ladybirdbrowser/status/1895767072639951341)

Thanks for the feedback. Hopefully it becomes more usable asap...keen for this to not turn into a chrome(ium) mono-culture