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

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

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

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