Release Notes

Maps+ Release Notes Q2 2026

This page provides notes on the latest release and dataset for each Maps+ Service.

Planned Q3 2026 update July 2026

 

GB Premium Basemap

OS MasterMap Topo – 03/2026

OS Vector Map Local – 04/2026

OS Zoomstack – 12/2025

Updated: 20/05/2026

 

GB Premium Basemap Classic

OS MasterMap Topo – 03/2026

OS Vector Map Local – 04/2026

OS Zoomstack – 12/2025

Updated: 20/05/2026

 

OS Premium Rasters Basemap

OS VML Colour Raster – 01/2026

OS 25K Raster – 12/2025

OS 50K Raster – 12/2025

OS Zoomstack – 12/2025

Updated: 03/03/2026

 

OS MasterMap Basemap

OS MasterMap Topo – 03/2026

OS Vector Map Local – 04/2026

OS Zoomstack – 12/2025

Updated: 20/05/2026

 

OS VectorMap Local Basemap

OS Vector Map Local – 03/2026

OS Zoomstack – 12/2025

Updated: 20/05/2026

 

OS 1:25,000 Raster Basemap

OS 25K Raster – 12/2025

OS Zoomstack – 12/2025

Updated: 03/03/2026

 

OS 1:50,000 Raster Basemap

OS 50K Raster – 12/2025

OS Zoomstack – 12/2025

Updated: 03/03/2026

 

OS VML Colour Raster Basemap

OS VML Colour Raster – 01/2026

OS Zoomstack – 12/2025

Updated: 03/03/2026

 

GB Pavement Width Indicator

OS MasterMap Topo – 03/2026

Updated: 20/05/2026

 

 

OS MasterMap Buildings

OS MasterMap Topo – 03/2026

Updated: 10/06/2026

 

OS MasterMap Water Network

OS MasterMap Water Network – 01/2026

Updated: 03/03/2026

 

 

3D Basemap and Data

OS MasterMap Topo – 03/2026

Updated: 20/05/2026

 

TitleInfo

HM Land Registry – 06/2026

Updated: 17/06/2026