Simon Willison’s Weblog

13th November 2025

Datasette 1.0a22. New Datasette 1.0 alpha, adding some small features we needed to properly integrate the new permissions system with Datasette Cloud:

• datasette serve --default-deny option for running Datasette configured to deny all permissions by default. (#2592)
• datasette.is_client() method for detecting if code is executing inside a datasette.client request. (#2594)

Plus a developer experience improvement for plugin authors:

• datasette.pm property can now be used to register and unregister plugins in tests. (#2595)