Jon Burgess has commented on the following diary entries

Post When Comment
Mapnik tiles rendering lag? over 8 years ago

The rendering was paused for most of Thursday and Friday as the Mapnik rendering database was being reloaded from the most recent planet dump. This happens ever month or two to ensure that everything gets refreshed. There are some features like the coastline which do not get updated by the normal minutely diffs.

The server may be busier than normal over the next 24 hours but it should render your changes soon.

disappearing names on polygons with icons in mapnik layer? almost 9 years ago

Should be resolved now. See the comments on

regional borders of Tanzania added... over 9 years ago

The admin_level=4 boundary is starting to show up here: