Datasette 1.0a33 Adds JSON API Extras for Queries and Rows
Original: datasette 1.0a33
Datasette 1.0a33 expands its JSON API extras system to queries and rows, moving the project closer to a stable 1.0 release.
Simon Willison announced Datasette 1.0a33, an alpha release that extends the existing ?_extra= JSON API pattern beyond tables to cover queries and rows. The feature is now documented and presented as a significant step toward Datasette 1.0. Willison also used Claude Fable 5 in Claude Code and GPT-5.5 xhigh in Codex Desktop to build a custom extras API explorer demonstrating the new capability.
Simon Willison announced Datasette 1.0a33, an alpha release that he describes as a significant step toward a stable Datasette 1.0. The main change highlighted in the post is the expansion of Datasette's ?_extra= pattern in its JSON API. That pattern was originally introduced in Datasette 1.0a3 and allowed API callers to request additional pieces of metadata or related information in JSON responses. In 1.0a33, the same idea now applies not only to tables but also to queries and rows, broadening the API's flexibility for developers building tools, integrations, or interfaces on top of Datasette.
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