Sourced from github.com/anthropics/anthropic-sdk-go's releases.

v1.13.0

1.13.0 (2025-09-29)

Full Changelog: v1.12.0...v1.13.0

Features

• api: adds support for Claude Sonnet 4.5 and context management features (3d5d51a)

Bug Fixes

• bugfix for setting JSON keys with special characters (c868b92)
• internal: unmarshal correctly when there are multiple discriminators (ecc3ce3)
• use slices.Concat instead of sometimes modifying r.Options (88e7186)

Chores

• bump minimum go version to 1.22 (87af8f3)
• do not install brew dependencies in ./scripts/bootstrap by default (c689348)
• internal: fix tests (bfc6eaf)
• update more docs for 1.22 (d67c50d)

Sourced from github.com/anthropics/anthropic-sdk-go's changelog.

1.13.0 (2025-09-29)

Full Changelog: v1.12.0...v1.13.0

Features

• api: adds support for Claude Sonnet 4.5 and context management features (3d5d51a)

Bug Fixes

• bugfix for setting JSON keys with special characters (c868b92)
• internal: unmarshal correctly when there are multiple discriminators (ecc3ce3)
• use slices.Concat instead of sometimes modifying r.Options (88e7186)

Chores

• bump minimum go version to 1.22 (87af8f3)
• do not install brew dependencies in ./scripts/bootstrap by default (c689348)
• internal: fix tests (bfc6eaf)
• update more docs for 1.22 (d67c50d)

• e8befdc release: 1.13.0
• 1de6d47 feat(api): adds support for Claude Sonnet 4.5 and context management features
• a9aab31 fix: bugfix for setting JSON keys with special characters
• 41a7454 codegen metadata
• 31633bd chore: do not install brew dependencies in ./scripts/bootstrap by default
• 2deaed6 fix: use slices.Concat instead of sometimes modifying r.Options
• 9f35b68 chore: update more docs for 1.22
• 287a399 chore: bump minimum go version to 1.22
• aa4540a chore(internal): fix tests
• 73e5532 codegen metadata
• Additional commits viewable in compare view

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