OSC in Quicklisp #24

I have noticed that the core branch of this repository and the osc included in Quicklisp are very different.
It seems that the latest osc package included in Quicklisp (osc-20230618-git) is not from the Core branch, but from the endless branch (https://github.com/zzkt/osc/tree/endless).
I'm wondering if this is intentional on the part of the Author.