ReleaseAnthropicAnthropicpublished Jul 24, 2026seen 1d

anthropics/anthropic-sdk-java v2.52.0

anthropics/anthropic-sdk-java

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v2.52.0

Repository: anthropics/anthropic-sdk-java

Tag: v2.52.0

Published: 2026-07-24T16:33:14Z

Prerelease: no

Release notes:

2.52.0 (2026-07-24)

Full Changelog: v2.51.0...v2.52.0

Features

  • api: add claude-opus-5 model (fb245bd)
  • api: add tool addition/removal blocks and tool_change events (fb245bd)
  • api: expand client-side fallback credit token types and add server-side fallbacks default option (fb245bd)