fix(creative): address downstream release blockers

Author: bokelley

CHANGELOG.md

@@ -1,11 +1,5 @@
 # Changelog
 
-## 7.0.0rc1 (2026-07-28)
-
-- Make canonical creative declarations the primary Python client/server contract.
-- Add deterministic AdCP 3.0/3.1/3.2 creative-dialect adapters and explicit `Legacy*` escape hatches.
-- Vendor the TypeScript 13.0.0-rc.3 projection goldens and stable migrated option-ID algorithm.
-
 ## [6.6.0](https://github.com/adcontextprotocol/adcp-client-python/compare/v6.5.0...v6.6.0) (2026-07-01)
 
 

MIGRATION_v6_to_v7.md

@@ -1,8 +1,9 @@
 # Migrating from Python SDK 6 to 7
 
 Python SDK 7 makes canonical creatives the default application contract. The
-package release (`7.0.0rc1`) is distinct from the negotiated AdCP protocol
-version (`3.0`, `3.1`, or `3.2`).
+package release (`7.0.0-rc`) is distinct from the negotiated AdCP protocol
+version (`3.0` or `3.1`). AdCP 3.2 is not advertised until the SDK ships its
+validator bundle.
 
 Use `Format`, `Product.format_options`, `format_kind`, and
 `format_option_refs` in normal application code. `Format` now means a
@@ -41,5 +42,5 @@ client = ADCPClient(
 
 AdCP 3.0 is upgraded on reads and downgraded on writes. AdCP 3.1 requires the
 `media_buy.features.canonical_creatives` capability or unambiguous
-request-local evidence. AdCP 3.2 is canonical by contract; advertising
-`canonical_creatives: false` is an error.
+request-local evidence. AdCP 3.2 will be canonical by contract once supported;
+advertising `canonical_creatives: false` there will be an error.

examples/multi_platform_seller/src/app.py

@@ -45,9 +45,6 @@
     MediaBuy,
     SupportedProtocol,
 )
-from adcp.decisioning.capabilities import (
-    Features as MediaBuyFeatures,
-)
 from adcp.server import (
     InMemorySubdomainTenantRouter,
     SubdomainTenantMiddleware,
@@ -88,7 +85,6 @@ def build_router() -> PlatformRouter:
         account=CapabilitiesAccount(supported_billing=["operator"]),
         media_buy=MediaBuy(
             supported_pricing_models=["cpm"],
-            features=MediaBuyFeatures(canonical_creatives=True),
         ),
         supported_protocols=[SupportedProtocol.media_buy],
     )

examples/multi_platform_seller/src/mock_guaranteed.py

@@ -34,9 +34,6 @@
     MediaBuy,
     SupportedProtocol,
 )
-from adcp.decisioning.capabilities import (
-    Features as MediaBuyFeatures,
-)
 
 # ---------------------------------------------------------------------------
 # In-memory inventory + buy state
@@ -144,7 +141,6 @@ class MockGuaranteedPlatform(DecisioningPlatform, SalesPlatform):
         account=CapabilitiesAccount(supported_billing=["operator"]),
         media_buy=MediaBuy(
             supported_pricing_models=["cpm"],
-            features=MediaBuyFeatures(canonical_creatives=True),
         ),
         supported_protocols=[SupportedProtocol.media_buy],
     )

examples/multi_platform_seller/src/mock_non_guaranteed.py

@@ -36,9 +36,6 @@
     MediaBuy,
     SupportedProtocol,
 )
-from adcp.decisioning.capabilities import (
-    Features as MediaBuyFeatures,
-)
 
 # ---------------------------------------------------------------------------
 # In-memory model
@@ -131,7 +128,6 @@ class MockNonGuaranteedPlatform(DecisioningPlatform, SalesPlatform):
         account=CapabilitiesAccount(supported_billing=["operator"]),
         media_buy=MediaBuy(
             supported_pricing_models=["cpm"],
-            features=MediaBuyFeatures(canonical_creatives=True),
         ),
         supported_protocols=[SupportedProtocol.media_buy],
     )

examples/sales_proposal_mode_seller/src/app.py

@@ -38,9 +38,6 @@
     MediaBuy,
     SupportedProtocol,
 )
-from adcp.decisioning.capabilities import (
-    Features as MediaBuyFeatures,
-)
 from adcp.decisioning.context import AuthInfo
 from adcp.decisioning.types import Account
 from examples.sales_proposal_mode_seller.src.platform import (
@@ -132,7 +129,6 @@ def build_router() -> PlatformRouter:
             media_buy=MediaBuy(
                 supported_pricing_models=["cpm"],
                 supports_proposals=True,
-                features=MediaBuyFeatures(canonical_creatives=True),
             ),
             supported_protocols=[SupportedProtocol.media_buy],
         ),

examples/sales_proposal_mode_seller/src/platform.py

@@ -34,9 +34,6 @@
     MediaBuy,
     SupportedProtocol,
 )
-from adcp.decisioning.capabilities import (
-    Features as MediaBuyFeatures,
-)
 from examples.sales_proposal_mode_seller.src.recipe import ProposalModeRecipe
 
 
@@ -74,7 +71,6 @@ class ProposalModeDecisioningPlatform(DecisioningPlatform, SalesPlatform):
         media_buy=MediaBuy(
             supported_pricing_models=["cpm"],
             supports_proposals=True,
-            features=MediaBuyFeatures(canonical_creatives=True),
         ),
         supported_protocols=[SupportedProtocol.media_buy],
     )

examples/seller_agent.py

@@ -767,10 +767,8 @@ async def get_adcp_capabilities(
         response["media_buy"] = {
             "supported_pricing_models": ["cpm"],
             "buying_modes": ["brief", "refine"],
-            # The stable storyboard exercises the legacy 3.1 wire dialect.
-            # Handler internals still use canonical models; the server projects
-            # them only because this capability explicitly selects compatibility
-            # delivery for callers that have not adopted canonical creatives.
+            # This compatibility fixture deliberately serves legacy storyboard
+            # runners; ordinary framework construction defaults this to true.
             "features": {"canonical_creatives": False},
             "creative_sync": True,
             "reporting": True,

examples/v3_reference_seller/src/platform.py

@@ -778,10 +778,7 @@ class V3ReferenceSeller(DecisioningPlatform, SalesPlatform):
         # the reference seller supports CPM only.
         media_buy=CapsMediaBuy(
             supported_pricing_models=["cpm"],
-            # This translator keeps canonical models internally, but its
-            # 3.1 compatibility storyboard deliberately negotiates the
-            # legacy creative wire dialect used by @adcp/sdk 3.1.x. The
-            # server boundary downgrades from the exact captured tuples.
+            # The translator is the explicit legacy interoperability fixture.
             features=MediaBuyFeatures(canonical_creatives=False),
         ),
     )

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "adcp"
-version = "7.0.0rc1"
+version = "6.6.0"
 description = "Official Python client for the Ad Context Protocol (AdCP)"
 authors = [
     {name = "AdCP Community", email = "maintainers@adcontextprotocol.org"}