# January 2026 – Epoch 49

## Feature counts

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

| Product                       | Source Product                     | CSV             | GeoPackage      |
| ----------------------------- | ---------------------------------- | --------------- | --------------- |
| OS MasterMap Sites layer      | 49 197                             | 49 197          | 49 197          |
| OS MasterMap Highways Network | 20 875 535                         | 20 875 535      | 20 875 535      |
| OS MasterMap Topography Layer | <p> </p><p>490 039 395</p><p> </p> | 490 039 395     | 490 039 395     |
| **Total**                     | **510 964 127**                    | **510 964 127** | **510 964 127** |

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 50), is scheduled for **16 February 2026.**