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Fedora 43 GNU & LLVM 21 Toolchain Updates Planned
It shouldn't be particularly surprising as Fedora Linux has always been known for shipping with a leading-edge compiler toolchain, but the formalities have now been submitted for Fedora 43 to ship with the latest GNU and LLVM toolchain components.
In addition, the LLVM package is now built with Profile Guided Optimizations (PGO) for better performance. The change proposal notes that the PGO'ed LLVM/Clang should be noticeably faster compiling C and C++ files. These change proposals still need to be approved by the Fedora Engineering and Steering Committee (FESCo) but with Fedora's long history of always shipping the very latest compiler toolchain components, they'll likely be approved with ease.
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