# Change Log

This page lists changes made to OS APIs documentation. These changes may reflect alterations to the APIs themselves or improvements to the documentation to aid understanding.

The table below summarises the changes made to OS APIs documentation and the dates on which those changes took effect:

<table data-header-hidden="false" data-header-sticky><thead><tr><th>Date</th><th>Notes</th></tr></thead><tbody><tr><td>08/05/2026</td><td>New tutorial video added to the <a href="/pages/5397e30a9db79d5459e9f6e791021d337b6dab6e#instructions">QGIS Getting Started page for OS NGD API – Features</a>. The video covers how to connect to OS NGD API – Features using QGIS.</td></tr><tr><td>April 2026</td><td>OS NGD API – Features and OS NGD API – Tiles documentation transferred to the OS API Documentation platform and change log created.</td></tr><tr><td>31/03/2026</td><td>Match &#x26; Cleanse API documentation updated to indicate it has reached its end of life date and been withdrawn from use. OS Vector Tile API and OS Features API updated to indicate OS MasterMap Water Network Layer has reached its end of life date and is no longer available for use.</td></tr><tr><td>26/03/2026</td><td>Existing pages amended with information about the March 2026 OS NGD data enhancements release: Updates included changes to OS NGD API – Features – What data is available? and OS NGD API – Features.</td></tr><tr><td>11/02/2026</td><td>End of Life information for OS MasterMap Greenspace layer added to OS Vector Tile API and OS Features API pages.</td></tr><tr><td>12/11/2025</td><td>Accessibility improvements made across the site.</td></tr><tr><td>22/10/2025</td><td>Planned maintenance page added to Service Status section of the site.</td></tr><tr><td>25/09/2025</td><td>Existing pages amended with information about the September 2025 OS NGD data enhancements: Updates made to OS NGD API – Features – What data is available? and OS NGD API – Tiles – What data is available?</td></tr><tr><td>01/09/2025</td><td>End of life notices for OS MasterMap Water Network Layer and OS Detailed Path Network added to OS Vector Tile API and OS Features API pages.</td></tr><tr><td>12/06/2025</td><td>OS Net API documentation added to the site.</td></tr><tr><td>27/03/2025</td><td>Existing pages amended with information about the March 2025 OS NGD data enhancements: Updates made to OS NGD API – Features – What data is available?</td></tr><tr><td>24/02/2025</td><td>End of Life information added for OS Match &#x26; Cleanse API.</td></tr><tr><td>03/01/2025</td><td>Getting Started Guides for multiple APIs updated.</td></tr><tr><td>27/06/2024</td><td>Product Archive documentation added to OS Features API.</td></tr><tr><td>30/04/2024</td><td>OS Downloads API pages updated with OpenAPI documentation.</td></tr><tr><td>26/04/2024</td><td>OS API documentation for multiple products added to the OS APIs Documentation platform.</td></tr><tr><td>29/09/2022</td><td>OS NGD official launch to customers.</td></tr></tbody></table>


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