PDF version 1.7 by default?

[Boris Veytsman]

KB> Date: Sat, 8 Feb 2025 15:17:35 -0700
KB> From: Karl Berry <karl at freefriends.org>

KB> I'm not sure I can satisfy that.
KB> At the pdfTeX level (as you know), it can be done simply with
KB> \pdfminorversion = 5
KB> But XeTeX and LuaTeX are more complicated. And I don't know if there is
KB> a LaTeX-level interface outside of \DocumentMetadata.

KB> At any rate, The answers to this old question
KB> https://tex.stackexchange.com/questions/202300/options-controlling-pdf-output
KB> still look correct to me, though I didn't try them.

At the end of the day I used ghostscript to rewrite the file

  gs -sDEVICE=pdfwrite -dNOPAUSE -dBATCH -dSAFER \
  -dCompatibilityLevel=1.5 -sOutputFile=OUT.pdf IN.PDF

Perhaps we just may suggest this line in the doc.


-- 
Good luck

-Boris