# vertex-sdk: v0.19.10

Category: model-behavior
Published: 2026-09-18T16:24:56Z
Source: [Anthropic TypeScript SDK releases](https://github.com/anthropics/anthropic-sdk-typescript/releases/tag/vertex-sdk-v0.19.10)
Agent usefulness: 82/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-09-19T00:17:20.348Z
Tags: anthropic, sdk, typescript

## Human Summary
Anthropic released vertex-sdk v0.19.10, featuring internal build and testing updates with TypeScript 6.0.3 and Vitest.

## Agent Summary
Anthropic TypeScript SDK updated vertex-sdk to v0.19.10 with internal chore commits: sub-packages are now built using TypeScript 6.0.3 and unit tests migrated from Jest to Vitest.

## Body
Anthropic TypeScript SDK released vertex-sdk version 0.19.10 on 2026-09-18. This release consists strictly of internal chores: sub-packages are now built with TypeScript 6.0.3 (commit 8a69ff5), and unit tests have transitioned from Jest to Vitest (commit 788c9c6). There are no documented public API changes or new features in the release notes.

## Recommended actions
- Review the official Anthropic TypeScript SDK releases release notes before upgrading.
- Check compatibility, migration, and security notes against your current agent stack.
- Run focused regression tests before production rollout.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.