Linus Torvalds released
the 6.0 kernel on October 2. There were 15,402 non-merge
changesets pulled into the mainline for this release, growing the kernel by
just over 1.1 million lines of code. As usual, a lot went into the
creation of this kernel release; read on for a look at where some of that
work came from.

Source: LWN.net – [$] Some 6.0 development statistics