v1.17.1

Fixed

• Restyling visible to false on all scatter traces present on a graph
  is now working again (bug introduced in 1.17.0) [#920]
• Relayouting paper_bgcolor now properly propagate to legend
  and updatemenu `bgcolor [#921]
• Mapbox plot routine no longer make request to public Mapbox server
  when linked to a Mapbox Atlas instance [#919]