Version 0.22.0

Major Features and Improvements

• Upgrades MLMD schema version to 5.
  • Added state columns to persistent Artifact.state,
    Execution.last_known_state
  • Added user-given unique name per type column to Artifact and Execution.
  • Added create_time_since_epoch, last_update_time_since_epoch to all
    Nodes.
• Provides GetArtifactByTypeAndName and GetExecutionByTypeAndName API to get
  artifact/execution by type and name.
• Refactors transaction executions using TransactionExecutor class.
• Supports storing/retrieving Artifact.state and Execution.last_known_state.

Bug Fixes and Other Changes

• Returns explicit InvalidArgument for get_artifacts_by_uri from 0.15.x
  clients when using 0.21.0+ server.

Breaking changes

Deprecations