Changelog

Released on March 24, 2021.

Features

• Add new improved prefect register CLI command. This command supports registering multiple flows at once (through multiple file paths or directories), and also includes a new --watch flag for watching files and automatically re-registering upon changes. - #4256
• New prefect build CLI command for building flows. Artifacts produced by this command can then be used by prefect register to register flows without requiring the source. - #4282

Enhancements

• Use explicit exception chaining #3306
• Add as_bytes option to S3Download task - #4238
• Improve error message when a loaded flow doesn't match the version stored in Prefect Cloud/Server - #4259
• Support setting flow run labels from cli - #4266
• Support setting default image in --job-template/--task-definition in Kubernetes/ECS agents - #4270

Task Library

• Adds logging of cell outputs to Jupyter task - [#4265] (#4265)
• Add user and password as runtime parameters to Exasol tasks - #4268

Fixes

• Fix bug where sometimes the global prefect.context wouldn't be respected during a flow run - #4287

Deprecations

• Deprecate the old prefect register flow CLI command in favor of prefect register - #4256
• Deprecate user and password arguments to Exasol task constructors in favor of runtime parameters - #4268

Contributors

• Abid Ahmad
• Alexandr N. Zamaraev
• Jacob Hayes
• Timo S.