I'm just waiting for the GO.
http://lists.openwrt.org/pipermail/openwrt-adm/2020-August/001628.html
If the IP of the OpenWrt logo is now clarified (please confirm), we should be able to switch to the new logo + wiki template soon.
BTW: Open issue: Please fix kerning in new logo
I don't have any contact to the designer of the new logo.