[libcxx-commits] [libcxx] [libc++][doc] Update the release notes for LLVM 18 (PR #78324)

[Mark de Wever via libcxx-commits]

mordante wrote:

Thanks for all feedback. I'll land this patch later today. If there are comments after landing it we can create a new PR.

https://github.com/llvm/llvm-project/pull/78324