We are happy to announce that LLVM 21.1.0-rc1 is now released!
This includes the main LLVM project, and its subprojects including clang, lld, libc++, and MLIR.
Download
Find sources on GitHub.
A note on binaries
Official binaries will not be available right away. They will be provided later.
Third-party binaries will be posted to the following forum thread. Note that these binaries are not created or checked by the release managers, they should be used with care.
Next Release
This is the first RC in the 21.x series. The next release will be RC2 and released Tuesday the 29th of July. File bugs and backports to the LLVM 21.x Release Milestone.