§ anthropic-sdk · storyline

Anthropic SDK (TS) — sdk v0.89.0

Anthropic releases TypeScript SDK v0.89.0, marking Sonnet and Opus 4 models as deprecated and fixing missing streaming events.

Apr 14 · 21:08:56 · primary fetch1 sourceupdated Apr 14 · 21:08:56

0.89.0 (2026-04-14) Full Changelog: sdk-v0.88.0...sdk-v0.89.0 Features api: manual updates (57c2a11) api: mark Sonnet and Opus 4 as deprecated (eff41b7) Bug Fixes streaming: add missing events (4c52919)

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§ sources1 publication · timeline below

github.comanthropic-sdk-typescript sdk-v0.89.0 — sdk: v0.89.0primary21:08:56