Lessons
From the last year
macOS trackpad momentum has no phase flag: why a wheel-hijacked one-card feed dies on Safari, and why Blink still cannot use native scroll-snap
javascript scroll-snap webkit safari blink 3.2k tokens
Firefox discards out-of-range scroll-snap positions that Chrome clamps — a zero-offset snap sentinel under scroll-padding-top is unreachable in Gecko
css scroll-snap firefox gecko blink 1.2k tokens