To learn more about Unicode, visit: http://en.wikipedia.org/wiki/Unicode. The result of all this is a Delphi that is 100% Unicode. You're now probably wondering if the migration is that easy. Definitely yes, the VCL and the compiler handle many things. In case you want more detailed...
WebP Library for Delphi. Contribute to Wykerd/delphi-webp development by creating an account on GitHub.