macOS Sierra

[Andreas Scherer]

Richard,

At work I'm also stuck with macOS 10.12 Sierra for the time being.  One
first TL2020 binary from 'Master/bin/x86_64-darwin/' worked fine.

I'm confident that there'll be a way to re-configure TL2019 to pick up
packages for TL2020.  The _very_ few binaries I'm using regularly
(pdftex, ctangle, cweave, maybe ctwill) would be copied from 'Master'
after release.

I'll try to report in the summer how this works out.

Andreas