For OpenBSD it's significant and somewhat of a milestone because its network stack has been trailing a bit in terms of transfer speeds when compared to e.g. Lin

For OpenBSD it's significant and somewhat of a milestone because its network stack has been trailing a bit in terms of transfer speeds when compared to e.g. Linux. The kernel has had a lot of "big locks" that hamper executional performance in complex ways across many different venues, and the past few years the developers have been busy cutting these into smaller pieces.