Dependencies
* Python 3.7+ is now needed, Python 3.6 is not supported anymore
New features
* d0be36b: Allow to set PDF version
* 879261c: Allow to set PDF identifier
Contributors
* Guillaume Ayoub
Backers and sponsors
* Grip Angebotssoftware
* Manuel Barkhau
* Crisp BV
* SimonSoft
* Menutech
* Spacinov
* KontextWork
* René Fritz
* Kobalt
* NCC Group
* Des images et des mots
* Nathalie Gutton
* Andreas Zettl
* Tom Pohl
* Moritz Mahringer
* Florian Demmer
* Yanal-Yvez Fargialla
* Gábor
* Piotr Horzycki