# Release Notes

## [OS Open TOID – May 2026 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/may-epoch-52.md)

This release note provides information about the May 2026 (Epoch 52) release of OS Open TOID.

## [OS Open TOID – March 2026 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/march-2026-epoch-51.md)

This release note provides information about the March 2026 (Epoch 51) release of OS Open TOID.

## [OS Open TOID – February 2026 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/february-2026-epoch-50.md)

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

## [OS Open TOID – January 2026 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/january-2026-epoch-49.md)

This release note provides information about the January 2026 (Epoch 49) release of OS Open TOID.

## [OS Open TOID – December 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/december-2025-epoch-48.md)

This release note provides information about the December 2025 (Epoch 48) release of OS Open TOID.

## [OS Open TOID – October 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/october-2025-epoch-47.md)

This release note provides information about the October 2025 (Epoch 47) release of OS Open TOID

## [OS Open TOID – September 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/september-2025-epoch-46.md)

This release note provides information about the September 2025 (Epoch 46) release of OS Open TOID.

## [OS Open TOID – August 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/august-2025-epoch-45.md)

This release note provides information about the August 2025 (Epoch 45) release of OS Open TOID.

## [OS Open TOID – June 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/june-2025-epoch-44.md)

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

## [OS Open TOID – May 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-linked-identifiers/release-notes/may-2025-epoch-43.md)

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

## [OS Open TOID – March 2025 release note](/os-downloads/products/buildings-and-infrastructure-portfolio/os-open-toid/release-notes/march-2025-epoch-42.md)

This release note provides information about the March 2025 (Epoch 42) release of OS Open TOID.


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