Apple, like everyone else, wants to commoditize their complements.
Woolvalley said “and now recently clangd“, which is a source code completion server which began its life at Google.
Clang did start its life with Apple.
> Apple chose to develop a new compiler front end from scratch, supporting C, Objective-C and C++. This "clang" project was open-sourced in July 2007.
Apple, like everyone else, wants to commoditize their complements.