API timestamps are not in the proposed ISO 8601 YYYY-MM-DDTHH:MM:SSZ format but also showing microseconds.
Summary
The API returned also microseconds. 2017-09-28T08:50:57.092Z for example. But expected return value is 2017-09-28T08:50:57Z as described in the API docs
Steps to reproduce
Get any project via the API v4 and take a look at created_at or last_activity_at
Example Project
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