How to test pdflatex-dev

Xu Wang xuwang762 at
Mon Mar 8 01:16:31 CET 2021

Dear list,

What are different ways to test pdflatex-dev? I read the following news:

I have one system with TL2020 and one system with TL2021 pre-test. Can
I test with each of them? Is there anything I need to do on them other
than just tlmgr update? What is the expected output from pdflatex-dev

Kind regards,


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