This greatly speeds up downloading speed for me, and closes most (if not all?) of the remaining gap with mach wpt-fetch-logs in mozilla-central when used to download WPT reports.
I sorta consider this both a bug and an enhancement; it "only" improves the experience, but brings things to parity with tooling that competes with it (which is an explicit goal here).
This greatly speeds up downloading speed for me, and closes most (if not all?) of the remaining gap with
mach wpt-fetch-logs
inmozilla-central
when used to download WPT reports.