February 2026 – Epoch 50

This release note provides information about the February 2026 release of OS Open TOID (Epoch 50).

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	20 905 933	20 905 933	20 905 933
OS MasterMap Topography Layer	490 572 255	490 572 255	490 572 255
Total	511 527 385	511 527 385	511 527 385

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 51), is scheduled for 30 March 2026.