Also, the ichnaea shapefiles have not been updated since January 2016, since Hanno Schlichting, the primary MLS developer, left in September 2017. They are derived from the [natural earth project](https://github.com/nvkelso/natural-earth-vector), which was last updated in May 2018. I would expect long times between shape updates, and an insignificant impact from using old releases of shapes.
Bug 1627553 Comment 7 Edit History
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Also, the ichnaea shapefiles (version 2.0.0) have not been updated since January 2016, since Hanno Schlichting, the primary MLS developer, left in September 2017. They are derived from the [natural earth project](https://github.com/nvkelso/natural-earth-vector), which was last updated in May 2018 (version 4.0.0, see [release notes](https://github.com/nvkelso/natural-earth-vector/blob/master/CHANGELOG)). I would expect long times between shape updates, and an insignificant impact from using old releases of shapes. *Edit 1: Added version numbers*