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bokelley merged 3 commits into from
Aug 18, 2026
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chore(main): release 8.0.0-beta.3 #1039

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76456ee
chore(main): release 8.0.0-beta.3
aao-ipr-bot[bot] Aug 18, 2026
f9d3ecb
chore: normalize prerelease version to PEP 440
aao-ipr-bot[bot] Aug 18, 2026
4ec9371
docs(release): make beta notes cumulative
bokelley Aug 18, 2026
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2 changes: 1 addition & 1 deletion .release-please-manifest.json
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{
".": "8.0.0-beta.2"
".": "8.0.0-beta.3"
}
23 changes: 23 additions & 0 deletions CHANGELOG.md
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# Changelog

## [8.0.0-beta.3](https://github.com/adcontextprotocol/adcp-client-python/compare/v8.0.0-beta.2...v8.0.0-beta.3) (2026-08-18)

SDK 8 beta release notes are cumulative. Adopters upgrading from SDK 7 should
read both `MIGRATION_v7_to_v8.md` and `MIGRATION_ADCP_3.1_TO_3.2.md`.

### ⚠ BREAKING CHANGES

* **webhooks (beta.1):** `ADCPClient.handle_webhook()` no longer accepts unsigned MCP callbacks by default. Configure `webhook_secret` for the legacy HMAC path or use `WebhookReceiver` for RFC 9421 verification and delivery deduplication.
* **protocol (beta.3):** Low-level `sign_request()` and `async_sign_request()` calls now require an explicit `signing_profile_version`. `ADCPClient` derives the profile from its trusted AdCP version pin.

### Added across beta.1–beta.3

* **beta.1:** Align safety and asset APIs with JavaScript SDK v13, including the public `AssetInstance` discriminated union and stable Python `*Content` variant names. ([#1032](https://github.com/adcontextprotocol/adcp-client-python/pull/1032))
* **beta.2:** Bundle AdCP `3.2.0-beta.0` and add the complete compact/proposal lifecycle: `list_products`, `request_proposals`, `refine_proposals`, `decline_proposals`, `buy_products`, `accept_proposal`, and `control_media_buy`. ([#1034](https://github.com/adcontextprotocol/adcp-client-python/pull/1034))
* **beta.3:** Add public `adcp.types.v30`, `v31`, and `v32` model namespaces plus version-pinned portable MCP schemas, so 3.0/3.1 integrations do not inherit 3.2 wire semantics. ([#1038](https://github.com/adcontextprotocol/adcp-client-python/pull/1038))
* **beta.3:** Add the semantic `BrandIdentity` export, align signing with negotiated versions, and ensure MCP advertisement and omitted-envelope dispatch use the same configured protocol pin.

### Proposal support boundary

The beta exposes lifecycle primitives and transport/server dispatch. Higher-level
proposal lineage, digest, constraint, rollback, and orchestration helpers remain
tracked in [#1023](https://github.com/adcontextprotocol/adcp-client-python/issues/1023).

## [8.0.0-beta.2](https://github.com/adcontextprotocol/adcp-client-python/compare/v8.0.0-beta.1...v8.0.0-beta.2) (2026-08-17)


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2 changes: 1 addition & 1 deletion pyproject.toml
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Expand Up @@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"

[project]
name = "adcp"
version = "8.0.0b2"
version = "8.0.0b3"
description = "Official Python client for the Ad Context Protocol (AdCP)"
authors = [
{name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}
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