https://postimg.cc/6y3Z9yjYThey had implemented that already a while ago, then reverted the behaviour, and now implemented it once again.
It seems as if it was not "enabled" for everyone yet, however.
They hid the permissions with each version better and better and apparently decided now, users don't need them at all.
In particular because not everything is a runtime permission. E.g. I like to know that [apk X] has no internet or file permissions at all - it rules out nearly all practical ways to leak your information. And google just keeps taking more and more steps to hide that information from me.