Official changelog:
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0
Linus’ LKML message:
https://lore.kernel.org/lkml/CAHk-=wjuG6HiGbD7DCGfvDvhr_1WZUR-eYF2qWGbYyn9k6unvg@mail.gmail.com/T/#u