June 2025 – Epoch 44

This release note provides information about the June 2025 release (Epoch 44) of OS Open Linked Identifiers.

No issues were identified in this release.

Feature count

The feature count for Epoch 44 is as follows:

Feature	Feature count
BLPU_UPRN_ROADLINK_TOID_9	41 208 598
BLPU_UPRN_STREET_USRN_11	41 919 107
BLPU_UPRN_TOPOGRAPHICAREA_TOID_5	41 197 222
ORROADLINK_GUID_ROADLINK_TOID_12	6 751 353
ORROADNODE_GUID_ROADLINK_TOID_13	40 821
ROAD_TOID_STREET_USRN_10	1 304 906
ROAD_TOID_TOPOGRAPHICAREA_TOID_3	6 234 906
ROADLINK_TOID_ROAD_TOID_7	6 005 010
ROADLINK_TOID_STREET_USRN_8	8 933 469
ROADLINK_TOID_TOPOGRAPHICAREA_TOID_2	14 560 902
STREET_USRN_TOPOGRAPHICAREA_TOID_4	9 467 302
Grand Total	177 623 596

Next release

The next release of OS Open Linked Identifiers, Epoch 45, is scheduled for 31 July 2025.