[luatex] What changed in today's pretest update?

[Herbert Schulz]

Howdy,

I using TeX Live 2020 pretest via MacTeX and all updates to date.

I have a test file (that uses an external library) that used to compile fine when either using lualatex (->luahbtex) directly or with the extra layer of using latexmk to run lualatex. With today's update suddenly the direct compile seems to run fine but using latexmk fails. I wonder what changed in the latest update which involved many binaries.

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I enclose the test example I used. It was published a while ago (last year?).
Basically it writes `Hello World' to the Console and log file. I'm sorry but I don't have source for the library; maybe the author is on-line and can supply it if needed.

Good Luck,

Herb Schulz
(herbs at wideopenwest dot com)