OpenEmbedded-Core is a layer containing the core metadata for current versions of OpenEmbedded. It is distro-less (can build a functional image with DISTRO = "nodistro") and contains only emulated machine support.
For information about OpenEmbedded, see the OpenEmbedded website: https://www.openembedded.org/
The Yocto Project has extensive documentation about OE including a reference manual which can be found at: https://docs.yoctoproject.org/
Please refer to our contributor guide here: https://docs.yoctoproject.org/dev/contributor-guide/ for full details on how to submit changes.
As a quick guide, patches should be sent to openembedded-core@lists.openembedded.org The git command to do that would be:
git send-email -M -1 --to openembedded-core@lists.openembedded.org
Mailing list:
https://lists.openembedded.org/g/openembedded-core
Source code:
https://git.openembedded.org/openembedded-core/