v6.3.0-beta.7

6.3.0-beta.7 (2026-05-30)

Bug Fixes

• server: guard stateful MCP sessions (#904) (cb11a95)
• types: update AdCP rc4 schemas (71c45e5)

v6.3.0-beta.6

6.3.0-beta.6 (2026-05-28)

Bug Fixes

• validation: bundle schemas before wheel builds (0cdcf29)

v6.3.0-beta.5

6.3.0-beta.5 (2026-05-28)

Features

• add creative format compatibility helpers (#887) (7f26ad1)
• canonical-formats: add canonical reference resolver (#891) (d5706cd)

Bug Fixes

• ci: block agent PR title prefixes (#893) (79a979d)
• types: support AdCP 3.1 beta 7 (3eee8d5)

v6.3.0-beta.4

6.3.0-beta.4 (2026-05-26)

Features

• allow externally managed webhook signing capabilities (#876) (3c312a0)

v6.2.0-beta.3

6.2.0-beta.3 (2026-05-26)

Features

• adagents: add permissive property resolver (#863) (7f45742)
• decisioning: add full stack registry factory (#862) (28c4f64)
• decisioning: add registry observer removal (#861) (2657a8b)
• handlers: expose sync_catalogs through sales-catalog-driven specialism (#838) (6fdcb77)
• server: add unknown-field policy and hook composition (#860) (7b830c3)

Bug Fixes

• adagents: raise AdagentsAccessBlockedError on 403 + cf-mitigated: challenge (#837) (bc4111f)
• decisioning: project malformed-JSON 2xx responses to AdcpError (#836) (c547dfe), closes #453
• expose requested AdCP version resolver (#855) (f1d88bc)
• types: add update media buy response coercion (#864) (c111ba6)
• webhooks: promote McpWebhookPayload.token from extras shim to typed field (#835) (3832433), closes #638

v6.2.0-beta.4

6.2.0-beta.4 (2026-05-26)

Features

• decisioning: add request-scoped capabilities hook (#869) (23fb317)
• server: negotiate media buy version handling and update actions (#871) (5a89d86)
• support AdCP 3.1 Beta 4 (#872) (1bae6e8)

v6.1.1-beta.2

6.1.1-beta.2 (2026-05-25)

Bug Fixes

• codegen: preserve regenerated response aliases (#854) (56d65fd)
• seller SDK version compatibility (#852) (e4b716d)

v6.1.0-beta.2

6.1.0-beta.2 (2026-05-24)

⚠ BREAKING CHANGES

• read media_buy_status for lifecycle; status is now the task envelope.

Features

• add webhook proof-of-control helper (#843) (232f7ef)
• align media-buy responses with AdCP 3.1 (391dae6)
• canonical-formats: public API + v2→v1 projection (#741, half 1 of 2) (#841) (b455e2a)
• canonical-formats: v1↔v2 reverse + pixel_tracker + narrowing (#741, half 2 of 2) (#845) (37e9225)
• examples: dual-emit v1 format_ids + v2 format_options on reference seller (#847) (7731f53), closes #741

Bug Fixes

• harden media buy response normalization (5defa15)
• harden media buy response normalization (532459a)

v6.1.0-beta.1

6.1.0-beta.1 (2026-05-23)

Features

• add webhook URL policy and wholesale feed sender (65f84d2)

v6.0.0-beta.1

6.0.0-beta.1 (2026-05-23)

Features

• testing: make SellerA2AClient event drain configurable (#829) (62515d8)

Bug Fixes

• send AAO directory pagination cursor as cursor (#811) (da91183)

Documentation

• add MIGRATION_v5_to_v6 stub for the 6.0-beta line (#823) (c3837af), closes #802
• types: refresh import-architecture references (closes #807) (#828) (169bc80)