Workflow Engine 20.0.4

December 29, 2025

Overview

Workflow Engine 20.0.4 is a maintenance release focused on Web API reliability, serialization consistency, and Form Plugin package quality.

Why update

• Prevent unhandled exceptions in the Web API endpoint rpc.execute-command.
• Improve System.Text.Json serialization compatibility for Workflow Engine entities.
• Fix Form Plugin npm package issues that could break installation or usage.

Key features

• Web API: improved command execution error handling.
• Core and Web API models: improved System.Text.Json compatibility.
• Form Plugin: fixed npm package contents and metadata issues.

Changelog

Update instructions

Update all Workflow Engine packages to version 20.0.4. No additional migration steps are required.

Bug fixes

• Web API: fixed an unhandled exception in rpc.execute-command when a command specified a type for an implicit parameter.
• Core and Web API models: fixed JSON serialization issues and improved support for System.Text.Json.
• Form Plugin: fixed npm package contents and metadata issues.