Research 11.5 logging APIs

See API changes listed here: https://warcraft.wiki.gg/wiki/Patch_11.1.5/API_changes

Are these just for Blizzard or addons in general? If it's the latter, maybe they're worth adopting. I haven't looked into them yet.
They also have added other debugging functions that could help troubleshoot errors, FWIW. No idea if they're usable or useful.