Based on the manual of PDFLaTeX, it seems pdflatex can support generating pdf up to version 1.7 (ISO 32000-1:2008) using \pdfminorversion=7. To use PDF 2.0 (ISO 32000-2:2017), can I define a major version number =2 alongside with \pdfminorversion=0 or something like that?

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    Painting red a 50 year old Fiat 500 doesn't make it into a Ferrari. :-) Not that pdftex should be compared to a 50 year old Fiat 500, but it doesn't support the new features in PDF 2.0, yet. – egreg Apr 12 '18 at 7:51
  • See my comment at tex.stackexchange.com/a/60186/5763 – Martin Schröder Apr 13 '18 at 9:11
  • Why do you want to do that? Do you have any software that needs PDF 2.0? – Martin Schröder Apr 13 '18 at 9:11
  • @MartinSchröder I actually have to include a PDF 2.0 figure into my tex given by others. But when I compile in a normal way, it always complains the compiler can only support PDF up to v1.7/1.6 or something like that. After searching around, the solution seems to be updating pdf version number to 2.0 for the compiling. – Xiaodong Qi Apr 21 '18 at 6:07
  • @XiaodongQi: You have a PDF 2.0 figure? How did you produce that? – Martin Schröder Apr 21 '18 at 11:15

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