<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>msgpack — FixDevs</title><description>Latest fixes and solutions for msgpack errors on FixDevs.</description><link>https://fixdevs.com/</link><language>en</language><lastBuildDate>Mon, 11 May 2026 00:00:00 GMT</lastBuildDate><atom:link href="https://fixdevs.com/tags/msgpack/rss.xml" rel="self" type="application/rss+xml"/><item><title>Fix: msgspec Not Working — Struct Definition, Type Validation, and JSON/MessagePack Encoding</title><link>https://fixdevs.com/blog/msgspec-not-working/</link><guid isPermaLink="true">https://fixdevs.com/blog/msgspec-not-working/</guid><description>How to fix msgspec errors — Struct field type not supported, ValidationError on decode, msgspec vs Pydantic differences, custom type hooks, frozen Struct mutation, and JSON Schema generation.</description><pubDate>Mon, 11 May 2026 00:00:00 GMT</pubDate><category>python</category><category>msgspec</category><category>serialization</category><category>json</category><category>msgpack</category><category>fastapi</category><category>debugging</category><author>FixDevs</author></item></channel></rss>