v6.4.2 3.4.0

Name: streamdown
Author: vercel

vercel/streamdownSep 25, 2026 → Sep 25, 20260 days between releases

Generating AI comparison

Analyzing what changed between v6.4.2 and 3.4.0. This page updates automatically — usually within a minute.

The Two Releases

v6.4.2

Sep 25, 2026· 26 days ago

v6.4.2 improves the writing-plans skill by making plans leaner and faster. Plans now record decisions (signatures, assertions) rather than code transcripts, preventing models from over-implementing.

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