@@ -4,12 +4,12 @@ This package contains the PostHog Python SDK compliance adapter used with the Po
 
 ## Running tests
 
-Tests run automatically in CI via GitHub Actions against harness **1.1.1**, for both capture protocols. Both jobs opt into the local-evaluation suite and fail on compliance regressions.
+Tests run automatically in CI via GitHub Actions against harness **1.13.1**. The compliance job runs once for each capture compression (gzip, deflate and zstd). Each run opts into the local-evaluation suite and fails on compliance regressions.
 
 Run adapter protocol tests from the repository root in an activated virtual environment:
 
 ```bash
-python -m pip install -e . -r sdk_compliance_adapter/requirements.txt pytest pytest-timeout pytest-asyncio
+python -m pip install -e ".[zstd]" -r sdk_compliance_adapter/requirements.txt pytest pytest-timeout pytest-asyncio
 python -m pytest sdk_compliance_adapter/test_adapter.py --timeout=30
 ```
 
@@ -44,7 +44,7 @@ docker run -d --name sdk-adapter --network test-network -p 8080:8080 posthog-pyt
 docker run --rm \
   --name test-harness \
   --network test-network \
-  ghcr.io/posthog/sdk-test-harness:1.1.1 \
+  ghcr.io/posthog/sdk-test-harness:1.13.1 \
   run --adapter-url http://sdk-adapter:8080 --mock-url http://test-harness:8081
 
 # Cleanup
 
@@ -38,8 +38,8 @@ The adapter implements the standard SDK adapter interface defined in the [test h
 
 ### Local feature flag evaluation
 
-Both capture adapters advertise `feature_flags_local_evaluation_v1` for harness
-**1.1.1**. The capability versions the adapter protocol and tests both legacy and
+The adapter advertises `feature_flags_local_evaluation_v1` for harness
+**1.13.1**. The capability versions the adapter protocol and tests both legacy and
 explicit property matching; it does not change the SDK's default matching mode.
 
 - `/init` maps optional `personal_api_key` to the SDK's `secret_key`. Ordinary