btw: Dan Vanderkam's book "Effective TypeScript: 83 Specific Ways to Improve Your TypeScript" (which _just_ released) includes TypeScript 5.5. Even after writing TypeScript for many years I found a lot of really practically applicable stuff in it. If you like books, this is a really good one.

[1] https://www.amazon.com/Effective-TypeScript-Specific-Ways-Im...