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Merged
AymenFJA merged 1 commit into from
May 18, 2026
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release 0.4.0 #80

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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).

## [Unreleased]

## [0.4.0] - 2026-05-18

@gemini-code-assist gemini-code-assist Bot May 18, 2026

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high

The release 0.4.0 contains a critical bug in the data dependency resolution logic. In src/radical/asyncflow/workflow_manager.py at line 1140, the code attempts to access item["target"], where item is the result of self.backend.link_explicit_data_deps. However, in src/radical/asyncflow/backends.py, LocalExecutionBackend.link_explicit_data_deps returns None (line 410), which will cause a TypeError whenever explicit data dependencies are used with the local backend. Additionally, LocalExecutionBackend.shutdown (line 404) performs a blocking call to executor.shutdown(wait=True) within an async context, which will block the event loop.

@gemini-code-assist gemini-code-assist Bot May 18, 2026

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medium

Please ensure the package version is updated in the project metadata (e.g., pyproject.toml), as src/radical/asyncflow/__init__.py relies on importlib.metadata to report the version. Also, note that the use of signal.SIGUSR1 in workflow_manager.py (line 1256) will cause a crash on Windows, as that signal is not available on that platform. Consider using a more portable approach for internal shutdown signaling.


### Added

- **`WorkflowEngine.workflow_scope(workflow_id=None)`** — new async context
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