- Be able to set a coherent TTL in Cache-Control header to expire all resources belonging to a map simultaneously.
- When `cache buster` in request path is `0` set header `Last-Modified` to now, it avoids stalled content in 3rd party cache providers when they add `If-Modified-Since` header into the request.
- Adding a logger to MapStore (#1134)
- Qualify calls to cartodb extension so having it in the search_path isn't necessary.