On Wed, Mar 29, 2023, 13:19 Frederick Virchanza Gotham via Std-Proposals <std-proposals@lists.isocpp.org> wrote:

However if we're just going to say that some integer types are not
really integer types then that doesn't make sense. It's extremely
counter-intuitive for is_integral_v to be false for __uint128_t.

You're complaining about a problem that has already been fixed.