All my XSLT (2 and 3) and XPath 3 Pluralsight courses are free this week:
"What's New in XSLT 3.0: Part 1" 5 hrs 28m
"The Evolution of XPath: What’s New in XPath 3.0" 4 hrs 29m
"XSLT 2.0 and 1.0 Foundations" 8 hrs 45m
https://www.pluralsight.com/offer/2022/q4-free-week