Linus Torvalds Announces First Linux Kernel 6.4 Release Candidate by from on 2023-05-09 02:00 (#6BHJH) Two weeks have passed since the release of Linux kernel 6.3 and the opening of the merge window for the next kernel series, Linux 6.4, and now, Linus Torvalds released the first RC (Release Candidate) milestone for public testing.