From d9fc4d1d2feb7194deae11ef0dd77d66fc7cd592 Mon Sep 17 00:00:00 2001
From: "aao-ipr-bot[bot]" <279263549+aao-ipr-bot[bot]@users.noreply.github.com>
Date: Tue, 25 Aug 2026 07:17:22 +0000
Subject: [PATCH 1/2] chore(main): release 8.0.0-beta.9

---
 .release-please-manifest.json |  2 +-
 CHANGELOG.md                  | 17 +++++++++++++++++
 pyproject.toml                |  2 +-
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 42eed77da..ff078267a 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.0.0-beta.8"
+  ".": "8.0.0-beta.9"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3e31be43d..07cab2649 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,22 @@
 # Changelog
 
+## [8.0.0-beta.9](https://github.com/adcontextprotocol/adcp-client-python/compare/v8.0.0-beta.8...v8.0.0-beta.9) (2026-08-25)
+
+
+### ⚠ BREAKING CHANGES
+
+* **types:** AccountReference, PostalArea, and SignalRef are now composable union aliases. Use TypeAdapter(Alias).validate_python(...) instead of Alias.model_validate(...).
+
+### Features
+
+* **webhooks:** support tenant-scoped signing senders ([#1085](https://github.com/adcontextprotocol/adcp-client-python/issues/1085)) ([04c99e2](https://github.com/adcontextprotocol/adcp-client-python/commit/04c99e2c2a3ee9129e03a3b1ccfffc082e73ae82))
+
+
+### Bug Fixes
+
+* **types:** export structured error details ([#1082](https://github.com/adcontextprotocol/adcp-client-python/issues/1082)) ([6174159](https://github.com/adcontextprotocol/adcp-client-python/commit/617415935501d5da8a80528d1a7a7080d15ba632))
+* **types:** expose object unions without RootModel ([#1084](https://github.com/adcontextprotocol/adcp-client-python/issues/1084)) ([4175ed7](https://github.com/adcontextprotocol/adcp-client-python/commit/4175ed7006ec05b9e6d18e7e687ed023986220c6))
+
 ## [8.0.0-beta.8](https://github.com/adcontextprotocol/adcp-client-python/compare/v8.0.0-beta.7...v8.0.0-beta.8) (2026-08-25)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 33b6a6da8..ed249a6b8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "8.0.0b8"
+version = "8.0.0-beta.9"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}

From b4b76381fdacbbda4db61c4ac74edd4f4e05b2e0 Mon Sep 17 00:00:00 2001
From: "aao-ipr-bot[bot]" <aao-ipr-bot[bot]@users.noreply.github.com>
Date: Tue, 25 Aug 2026 07:17:38 +0000
Subject: [PATCH 2/2] chore: normalize prerelease version to PEP 440

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index ed249a6b8..595c206a4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "8.0.0-beta.9"
+version = "8.0.0b9"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}