I just checked a PDF I made about ten minutes ago, and got 1.5
$ pdfinfo incremental_SS_Translation.pdf
Creator: LaTeX with hyperref
Producer: xdvipdfmx (20250410)
CreationDate: Thu Jul 3 16:14:26 2025 MDT
Custom Metadata: no
Metadata Stream: no
Tagged: no
UserProperties: no
Suspects: no
Form: none
JavaScript: no
Pages: 423
Encrypted: no
Page size: 612 x 792 pts (letter)
Page rot: 0
File size: 6624510 bytes
Optimized: no
PDF version: 1.5
I added "\special{pdf:minorversion 7}" and indeed got 1.7 for the same file
Best,
Dominik
--
Dominik Wujastyk, Professor Emeritus, Classical Indian History
University of Alberta
"The University of Alberta is committed to the pursuit of truth,
the advancement of learning, and the dissemination of knowledge
through teaching, research and other scholarly and creative activities and
service."
-- Collective Agreement
<https://www.ualberta.ca/human-resources-health-safety-environment/media-library/my-employment/agreements/2020-2024-collective-agreement---working-version.pdf>
3.01
