May 2025 – Epoch 43

This release note provides information about the May 2025 release (Epoch 43) of OS Open Linked Identifiers.

No issues were identified in this release.

Feature count

The feature count for Epoch 43 is as follows:

Feature	Feature count
BLPU_UPRN_ROADLINK_TOID_9	41 151 115
BLPU_UPRN_STREET_USRN_11	41 881 955
BLPU_UPRN_TOPOGRAPHICAREA_TOID_5	41 166 112
ORROADLINK_GUID_ROADLINK_TOID_12	6 753 624
ORROADNODE_GUID_ROADLINK_TOID_13	40 826
ROAD_TOID_STREET_USRN_10	1 304 310
ROAD_TOID_TOPOGRAPHICAREA_TOID_3	6 233 189
ROADLINK_TOID_ROAD_TOID_7	6 002 806
ROADLINK_TOID_STREET_USRN_8	8 924 506
ROADLINK_TOID_TOPOGRAPHICAREA_TOID_2	14 556 479
STREET_USRN_TOPOGRAPHICAREA_TOID_4	9 462 088
Grand Total	177 477 010

Next release

The next release of OS Open Linked Identifiers, Epoch 44, is scheduled for 13 June 2025.