# May 2025 – Epoch 43

## Feature counts

Feature counts for this release are provided in the following table:

| Product                       | Source Product | CSV         | GeoPackage  |
| ----------------------------- | -------------- | ----------- | ----------- |
| OS MasterMap Sites Layer      | 49 076         | 49 076      | 49 076      |
| OS MasterMap Highways Network | 20 778 677     | 20 778 677  | 20 778 677  |
| OS MasterMap Topography Layer | 486 726 333    | 486 726 333 | 486 726 333 |
| **Total**                     | 507 554 086    | 507 554 086 | 507 554 086 |

There are no missing features and no duplicated TOIDs in this release. No significant errors have been identified.

## Next release

The next release of OS Open TOID (Epoch 44), is scheduled for **23 June 2025**.