PDF resource (start here)
its TeX source
2025-08-27 department colloquium
PDF presentation
its TeX source
included PDFix screenshot
included VeraPDF screenshot
included PAC screenshot
included ltx-footer example
included style file to avoid PAC bug
2025-10-11 MAA presentation
PDF presentation
its TeX source
included ltx-footer example
How to update your LaTeX
The basics
Status of individual packages and classes
Tools:
PDFix
VeraPDF
PAC
A talk from July 2025's TeX conference showing an example