We have confirmed that the Crawler is again running as normal, and most of the affected sites have been recrawled.
Posted Jan 14, 2020 - 11:45 UTC
The issue has been identified and a fix is being implemented.
Posted Jan 14, 2020 - 08:15 UTC
We have had an issue with our JS-crawler, which means that a subset of our JS-crawled sites have not been crawled successfully since yesterday evening. The issue has been fixed and we're recrawling the affected sites.