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Workflow Engine 19.0.0

September 18, 2025

Overview​

Workflow Engine 19.0.0 introduces RPC API in Workflow Engine Web API for remote operations on Workflow Engine processes as entities (instances, commands, parameters, states, history, subprocess trees), scheme operations, and runtime control in single-tenant and multi-tenant deployments. The release also updates Web API tenant setup behavior.

Why update​

  • Manage Workflow Engine processes as entities through Workflow Engine Web API RPC: create/delete instances, execute commands, work with parameters, history, states, activities, and subprocess trees.
  • Use RPC operations for scheme lifecycle and runtime control: get schemes, mark schemes obsolete, update obsolete schemes, start/stop runtime, and monitor runtime status.
  • Use the updated Web API multitenancy registration flow.

Key features​

  • Introduced RPC API in Workflow Engine Web API with process-centric and bulk operations (Instance, Commands, State, Scheme, Runtime, Pre-Execution, Bulk, and logging groups) for single-tenant and multi-tenant mode.

Changelog​

Update instructions​

  • Update Workflow Engine packages to 19.0.0.
  • If you use Workflow Engine Web API:
    • Update Web API packages to 19.0.0.
    • In startup, register at least one tenant with AddWorkflowEngineRuntimeTenants, or configure single-tenant mode with AddWorkflowEngineRuntime or AddWorkflowApi.
    • Move data component settings into WorkflowApiDataProviderOptions inside WorkflowEngineTenantCreationOptions.
    • Rename WorkflowApiSetupOptions to WorkflowApiOptionsSetup in custom configuration code.
  • If you do not use Workflow Engine Web API, no additional migration steps are required in this release.

Features​

  • Introduced RPC API in Workflow Engine Web API to remotely manage Workflow Engine processes as entities, schemes, and runtime instances in single-tenant and multi-tenant mode.

Enhancements​

  • Added database-type unique identifiers to IPersistenceProvider.

Resources​

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