Unlike many surface-level guides, Bah dives into the underlying SVG (Scalable Vector Graphics) standard, helping users understand the software behaves the way it does.
This is the million-dollar question. Inkscape 1.0 (released in 2020) introduced a massive shift to GTK3, HiDPI displays, and a revamped preferences menu. The 5th Edition was written for version 0.92 (released in 2016). inkscape guide to a vector drawing program 5th edition pdf