Workflow Engine 16.0.0

OptimaJet Team Updated 2026-10-05 2 min read 372 words

release-notes

Release date: October 24, 2024

Overview

Workflow Engine 16.0.0 introduces BPMN plugin support, adds parameter mapping in Inline Activity settings for Scheme inlining, and removes the legacy BPMN import/export path.

Why update

• If your workflows depend on BPMN, this release enables the supported BPMN plugin path for import and Designer BPMN elements.
• Use Inline Activity input/output parameter mapping to pass values between the parent scheme and the inlined scheme.
• Get security fixes included in updated Designer and sample dependencies.
• Get better Designer stability and package compatibility.

Key features

• Added BPMN plugin support for importing BPMN diagrams and using BPMN elements in Designer.
• Added parameter mapping in Inline Activity with UI support for selecting mapped parameters.
• Removed legacy BPMN import/export functionality.
• Improved Designer and sample stability.

Changelog

Update instructions

• Update all Workflow Engine packages to 16.0.0.
• Legacy BPMN import/export is removed in this release. Migrate BPMN integrations to OptimaJet.Workflow.BpmnPlugin.

Features

• Added BPMN plugin integration path (OptimaJet.Workflow.BpmnPlugin) for Runtime.
• Added BPMN elements and Upload BPMN import flow in Designer when the plugin is connected.
• Added import diagnostics (import log and element comments) for unsupported and partially supported BPMN elements.
• Added Inline Activity parameter mapping for bulk setup before and after inlined scheme execution.

Enhancements

• Removed the erroneous ability to create a transition to a comment.
• Updated Designer dependencies: rollup to 1.15.4, cookie to 0.7.1, socket.io to 4.8.0, express to 4.21.1.

Bug fixes

• Fixed sample startup issue caused by missing Microsoft.Data.SqlClient.SNI.x64.dll.
• Fixed regex substitution hang during inlined parameter processing.
• Fixed error when double-clicking inlined activity in Process View mode.

Resources

• BPMN documentation: Bpmn.
• BPMN plugin setup and usage: Using BPMN plugin.
• BPMN elements support matrix: BPMN elements support.
• Inline Activity parameter mapping: Scheme inlining - Parameters mapping.

Security

• In Designer and Designer-NPM samples, cookie was updated from 0.6.0 to 0.7.1, addressing CVE-2024-47764 (GHSA-pxg6-pf52-xh8x); affected range includes versions <0.7.0, fixed in 0.7.0.
• In Designer and Designer-NPM samples, express was updated from 4.19.2 to 4.21.1 (and from 4.21.0 to 4.21.1 in Angular sample), including the fix for CVE-2024-43796 (GHSA-qw6h-vgh9-j6wx); affected range includes versions <4.20.0, fixed in 4.20.0.