This is the staging area for the 15.1 distribution.

openSUSE Leap borrows packages from SLE for the base system. Please refer to https://osrt.opensuse.org/web/origin-manager/#openSUSE:Leap:15.2 for origin information

product container - openSUSE Leap 15.0

product container - openSUSE Leap 15.0

product container - openSUSE Leap 15.0

Non free or non open source parts of openSUSE Leap 15.2.

This is the staging area for the 15.2 distribution (nonfree).

product container - openSUSE Leap 15.0

Bootstrapping ring0 by bootstrap-copy aggregates, remember to remove it after bootstrapped.

This is the staging area for the 15.2 distribution.

openSUSE Leap borrows packages from SLE. The content of the build media is almost the same as Leap:15.2, but the development is drastic different. It includes the binaries (instead of the sources) directly from SLE.
https://lists.opensuse.org/opensuse-factory/2020-04/msg00165.html