Using AI code generators. I have been able to get the code base large enough that it was starting to make nonsense changes.
However, my overall experience I have been thinking about how this is going to be a massive boon to open source. So many patches, so many new tools will be created to streamline getting new packages into repos. Everything can be tested.
Open source is going to be epicly boosted now.
QEMU deciding to sit out from this acceleration is crazy to me, but probably what is going to give Xen/Docker/Podman the lead.