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asgi-gzip 0.3 Fixes SSE Compression Bug in ASGI Middleware

Published 2026-04-09Ingested 2026-04-10AI Engineering PracticesLow⭐ Timeline Candidate

Summary

Simon Willison released version 0.3 of asgi-gzip, a gzip middleware library for ASGI applications extracted from Starlette. The update addresses a bug where the middleware was incorrectly compressing Server-Sent Events (SSE) text/event-stream responses, which caused issues when deploying a new SSE feature to a production Datasette instance using the datasette-gzip plugin. While this is a routine open-source library maintenance release, it touches on SSE — a transport mechanism increasingly used

Alignment: Neutral
asgigzipsseserver-sent-eventspythonstarlettedatasettemiddlewareopen-sourcesimon-willison
asgi-gzip 0.3 Fixes SSE Compression Bug in ASGI Middleware — Intelligence — Agentic Developer Tools Radar · Signal