chore: bump version to 6.6.1

jurajmajerik · claude · jurajmajerik · commit 119655d8dd4b · 2025-08-21T15:48:59.000+02:00
🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 6.6.1 - 2025-08-21
+
+- fix: Prevent `NoneType` error when `group_properties` is `None`
+
 # 6.6.0 - 2025-08-15
 
 - feat: Add `flag_keys_to_evaluate` parameter to optimize feature flag evaluation performance by only evaluating specified flags
diff --git a/posthog/version.py b/posthog/version.py
@@ -1,4 +1,4 @@
-VERSION = "6.6.0"
+VERSION = "6.6.1"
 
 if __name__ == "__main__":
     print(VERSION, end="")  # noqa: T201
