Changelog

0.10.0

Released on Mar 29, 2020.

Features

• Open source database backend, GraphQL API and UI - #2218
• Add prefect server start CLI command for spinning up database and UI - #2214

Enhancements

• Add ValidationFailed state and signal in anticipation of validating task outputs - #2143
• Add max polling option to all agents - #2037
• Add GCSResult type #2141
• Add Result.validate method that runs validator functions initialized on Result #2144
• Convert all GraphQL calls to have consistent casing - #2185 #2198
• Add prefect backend CLI command for switching between Prefect Core server and Prefect Cloud - #2203
• Add prefect run server CLI command for starting flow runs without use of project name - #2203
• Make project_name optional during flow registration to support Prefect Core's server - #2203
• Send flow run and task run heartbeat at beginning of run time - #2203

Task Library

• None

Fixes

• Fix issue with heartbeat failing if any Cloud config var is not present - #2190
• Fix issue where run cloud CLI command would pull final state before last batch of logs - #2192
• Fix issue where the S3ResultHandler would attempt to access uninitialized attribute - #2204

Deprecations

• None

Breaking Changes

• Drop support for Python 3.5 - #2191
• Remove Client.write_run_log - #2184
• Remove Client.deploy and flow.deploy - #2183

Contributors

• None