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Release Notes

Release notes for the OS MasterMap Water Network Layer product over the last year.

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OS MasterMap Water Network Layer – January 2026 release note

This release note provides information about the January 2026 release of OS MasterMap Water Network Layer.

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OS MasterMap Water Network Layer – October 2025 release note

This release note provides information about the October 2025 release of OS MasterMap Water Network Layer.

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OS MasterMap Water Network Layer – July 2025 release note

This release note provides information about the July 2025 release of OS MasterMap Water Network Layer.

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OS MasterMap Water Network Layer – April 2025 release note

This release note provides information about the April 2025 release of OS MasterMap Water Network Layer.

PreviousOS MasterMap Water Network LayerNextJanuary 2026

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