v1.2.1

1.2.1 (2026-07-07)

Bug Fixes

• http: make SSE close and response delivery deterministic (#209) (2adee0f)
• Preserve extensible union semantics in TS schemas (#215) (e323221)

v1.2.0

1.2.0 (2026-07-06)

Features

• Update schema to 1.17.0 (#204) (fa8b5bd)
• Update schema to 1.19.0 (#213) (6599433)

Bug Fixes

• make ndJsonStream receive path linear in message size (#210) (2fc41d2)
• unify JSON-RPC message validation policy across transports (#212) (5e01eb2), closes #211

v1.1.0

1.1.0 (2026-06-29)

Features

• Expose request ids in handler contexts (#202) (eda849c)

v1.0.0

1.0.0 (2026-06-24)

Features

• schema: Update to v1.16.0 of the schema (#199) (de58791)

Miscellaneous Chores

• release 1.0.0 (#201) (008fc28)

v0.29.0

0.29.0 (2026-06-22)

Features

• unstable: Add support for request cancellation (#195) (d5197f9)

v0.28.1

0.28.1 (2026-06-19)

Bug Fixes

• Expose peer contexts from app connections (#190) (d657310)

v0.28.0

0.28.0 (2026-06-18)

Features

• schema: Update to schema v1.14.0 (#185) (3c619a7)

v0.27.1

0.27.1 (2026-06-18)

Bug Fixes

• node-adapter: Cap HTTP request body size (#186) (3832d4c)
• node-adapter: harden Node adapter request parsing (220eae6)

v0.27.0

0.27.0 (2026-06-18)

This is a big release! We have rewritten the SDK to have a more ergonomic design for creating new agents and clients. You can read more in the Migration Guide for how to migrate.

For now, you will still have the old interfaces available to ease the migration, but they are deprecated and will be removed in a future release.

Features

• Experimental Streamable HTTP & WebSocket Transport (#155) (d6a3d88)
• New SDK design (see MIGRATION_0.26_0.27.md) (#181) (87e2df3)

v0.26.0

0.26.0 (2026-06-16)

Features

• schema: Update to v1.13.7 of the schema (#179) (34885b6)