ConTeXt in TeX Live

[Karl Berry]

    A binary needs to get through these three layers before it can be
    distributed via a .pkg install package, as MacTeX is. For binaries
    installed afterwards via tlmgr, there is no such restriction.

Thanks. That was my understanding from Dick, too. That's why the
luametatex binary in Max's context repackaging does not have to be
notarized.

    allow-dyld-environment-variables means luatex is affected by environment
    variables, disable-library-validation that it's able to link to
    libraries signed by another developer, and so forth.

I don't know what it means, but I believe luametatex does read
environment variables. At least it apparently provides a getenv
function, so far as I can see from a cursory grep of the sources. I also see:
source/utilities/auxfile.c:188:            char *searchpath = lmt_memory_strdup(getenv("PATH"));

Seems plausible that it can read dynamic libraries, too. --thanks, karl.