v6.4.1 3.4.0

Name: streamdown
Author: vercel

vercel/streamdownSep 19, 2026 → Sep 25, 20266 days between releases

Generating AI comparison

Analyzing what changed between v6.4.1 and 3.4.0. This page updates automatically — usually within a minute.

The Two Releases

v6.4.1

Sep 19, 2026· 1 month ago

v6.4.1 introduces the 'diagnosing-superpowers' skill, rebuilds 'executing-plans' as Native execution for better performance, and adds support for three new harnesses: OpenCode 2.0, Muse, and Qwen Code.

Full release notes

3.4.0

Sep 25, 2026· 27 days ago

DSPy 3.4.0 introduces Jev integration via TypeSafe with new decision types (Noul, Choice, Score), native LM engines replacing experimental types, and async ReActV2 support. It marks the LM transition release with deprecation warnings for legacy integrations.

Full release notes