Daniel

A similar issue exists for `rrule` #605. If we decide that we want to preserve microseconds here, it might make sense to implement the same behavior for `rrule` as well....

There is also an issue for supporting second offsets in the `isoparser` #572 , so I think it is definitely something that should be supported by the normal parser.

You are actually using the class `isoparser` instead of the documented method [`isoparse`](https://dateutil.readthedocs.io/en/stable/parser.html#dateutil.parser.isoparse). After fixing the typo it should work: ```pycon >>> from dateutil.parser import isoparse >>> isoparse("2020-08-20T03:33:46.000Z") datetime.datetime(2020, 8,...

> Some users don't trust binary downloads and rather want to build themselves from the source (still possible, users can choose). Note that this also applies to the pre-built docker...