[zokier]

And inevitably there is also Leap Unsmear: https://news.ycombinator.com/item?id=22223591

By Google. Who started this whole trend of leap smearing in the first place.

[tinix]

Google didn't start this... It's standard practice to speed up or slow down the clock during transition in ERP systems.

VAX/VMS are way older than Google.

[ahazred8ta]

Actually, before 1972 they would run the radio time signals several parts per million fast or slow to keep in step with the earth's rotation.