Release sdk-python 0.3.1

Author: durable-workflow-ops

CHANGELOG.md

@@ -6,6 +6,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.1] — 2026-04-21
+
 ### Changed
 - **Breaking (pre-1.0):** `WorkflowCancelled` and `ActivityCancelled` now inherit
   from `BaseException` (not `DurableWorkflowError` / `Exception`), so a generic

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "durable-workflow"
-version = "0.3.0"
+version = "0.3.1"
 description = "Python SDK for the Durable Workflow server (language-neutral HTTP protocol)"
 readme = "README.md"
 requires-python = ">=3.10"