January 2026 – Epoch 49

This release note provides information about the January release (Epoch 49) of OS Open Linked Identifiers.

No issues were identified in this release.

Feature count

The feature count for Epoch 49 is as follows:

Feature	Feature count
BLPU_UPRN_ROADLINK_TOID_9	41 409 493
BLPU_UPRN_STREET_USRN_11	42 139 249
BLPU_UPRN_TOPOGRAPHICAREA_TOID_5	41 401 445
ORROADLINK_GUID_ROADLINK_TOID_12	6 763 284
ORROADNODE_GUID_ROADLINK_TOID_13	40 812
ROAD_TOID_STREET_USRN_10	1 308 432
ROAD_TOID_TOPOGRAPHICAREA_TOID_3	6 255 018
ROADLINK_TOID_ROAD_TOID_7	6 018 620
ROADLINK_TOID_STREET_USRN_8	8 956 123
ROADLINK_TOID_TOPOGRAPHICAREA_TOID_2	14 608 608
STREET_USRN_TOPOGRAPHICAREA_TOID_4	9 497 925
Grand Total	178 399 009

Next release

The next release of OS Open Linked Identifiers, Epoch 50, is scheduled for 19 February 2026.