Latest update
OpenRules Release 12.2.1 updates third-party libraries.
Release 12.2.1 updates Release 12.2.0 with more recent versions of third-party libraries to mitigate recently reported vulnerabilities.
OpenRules news
Progress in executable decision intelligence.
Follow product releases, practical advances, presentations, partnerships, and milestones from the OpenRules team.
View release history2026
Current releases and capabilities.
01
Release 12.2.0 brings optimization into decision tables
A new Rule Solver and Rule Scheduler implementation extends the OpenRules expression language with constrained variables, constraints, and objectives while keeping it business-friendly.
Read more 02Release 12.1.0 introduces OpenRules AI Assistant
The model-aware assistant analyzes, tests, and refines OpenRules decision models through natural-language interaction without deployment or additional integration code.
Read more 03Release 12.0.0 makes decision services AI-ready
Decision services automatically expose descriptions of their inputs and outputs so an LLM can select and invoke the appropriate service in plain English.
Read more 04Release 11.2.1 updates security and compatibility dependencies
The release adds support for Spring Boot 4 and AWS SDK for Java v2, and requires Apache Maven 3.9.12 or higher.
Read more 05Release 11.2.0 introduces Decision Playground
Business users can visually experiment with decision scenarios, compare alternatives, and find optimal solutions without changing the underlying decision model.
Read moreArchive
Earlier OpenRules news.
2025
Decision Playground enters final beta testing
A preview shows how subject matter experts can generate, explore, and compare multiple decisions to identify the optimal choice.
Holiday licensing offer announced
OpenRules marked the holidays with a limited-time discount for new software licenses.
Rule Learner presented at DecisionCAMP 2025
OpenRules presented “Rule Learner: Building Decision Models from Examples” alongside the DecisionCAMP program and recordings.
Release 11.1.0 enhances Rule Learner
Rule Learner can generate working decision models from business-problem examples for users to test and refine.
OpenRules shortlisted as a Top Decision Intelligence Platform
CIO Applications recognized OpenRules among its Top Decision Intelligence Platform selections for 2025.
Release 11.0.1 simplifies installation
The standard installation adds samples and documentation, with advanced features for Rule Learner, Rule Solver, and Rule DB.
Business Decision Modeling with OpenRules published
The book presents a step-by-step approach to building decision models and deploying them as operational decision services.
Release 10.5.0 adds SharePoint and Amazon S3 repositories
Teams can organize and maintain OpenRules rule repositories in two widely used enterprise storage systems.
2024
Release 10.4.1 improves JSON interfaces
The LTS update adds features for building more flexible JSON interfaces for decision services.
Production prototypes delivered through training and consulting
OpenRules worked with business analysts and developers at a major US insurer to build decision-service prototypes.
Rule Scheduler introduced at DecisionCAMP 2024
The new Rule Solver component represents and solves scheduling and resource-allocation problems with decision tables.
Release 10.4.0 becomes the Long-Term-Support release
The LTS release builds on versions proven through real-world use in production environments.
Release 10.3.0 expands collection expressions
The release adds English-like collection functions and the ability to use external JSON files in model tests.
Machine learning inside decision-making applications
Four practical applications combine Rule Learner, Rule Solver, and the OpenRules rule engine.
Release 10.1.1 updates third-party software
A maintenance release delivers dependency upgrades and product improvements.
Release 10.1.0 enhances Rule Solver and Rule DB
The release advances the optimization and database products alongside core platform improvements.
2023
Declarative Decision Modeling with Rule Solver
OpenRules presented its approach to declarative optimization at DecisionCAMP 2023.
Free POC development announced
Organizations can bring a rules-based decision challenge and receive a working model they can analyze, test, and expand.
OpenRules Decision Manager 10.0 released
The major release adds dynamic decision variables, advanced for-each loops, Spring Boot 3, and modern JDK support.
Release 9.1.1 improves security and iteration support
Third-party packages were upgraded and nested loops were added.
Spark POC demonstrates high-volume decision performance
An OpenRules and Apache Spark proof of concept processed one billion records in under seven minutes.
Release 9.1 simplifies friendly iterations
A single intuitive table can represent iterations that previously required multiple tables.
2022
OpenRules 9.0 introduces graphical exploration and debugging
The release establishes the OpenRules Interactive Decision Modeling Environment.
Decision Modeling: Good, Bad, Ugly
OpenRules presented practical decision-modeling lessons at DecisionCAMP 2022.
Release 8.5.3 expands table and iteration features
The release simplifies iterations and adds new operators, CSV table capabilities, and dependency updates.
Business-friendly modeling and debugging at BBC 2022
OpenRules presented how business analysts can represent and debug complex decisioning logic.
Release 8.5.2 improves large-table handling
The release adds advanced CSV handling, memory controls, quoted text values, and fixes.
Release 8.5.1 adds decision-project reports
A maintenance release improves visibility into complex decision projects and updates dependencies.
Release 8.5.0 advances usability and performance
New features make Decision Manager friendlier to subject matter experts and faster on large datasets.
2021
Log4j security updates published
OpenRules updated its dependencies to Log4j 2.17.1 and advised customers to update their projects.
Release 8.4.2 improves repository diagnostics
Validation and consistency checks now report rule-repository errors in clearer business terms.
Continuous Digital Decisioning at DecisionCAMP 2021
OpenRules presented operational decision microservices in the CI/CD world.
Release 8.4.1 secures decision services
The release adds JWT and SSL guidance plus more control over validated inputs and response content.
Release 8.4.0 expands deployment options
OpenRules adds Azure Functions, REST services, AWS Lambda CI/CD support, and generated JSON test cases.
Release 8.3.2 demonstrates a performance breakthrough
The MedicalServiceCoverage benchmark executes one million requests in twelve seconds.
Release 8.3.1 introduces a graphical Rule Debugger
The business-oriented debugger lets users step through decision logic visually.
Release 8.3.0 introduces Decision Model Explorer
The integrated environment diagrams models and connects users to their Excel rules for modification, testing, and deployment.
2020
ProcessMaker and OpenRules announce a partnership
The partnership combines OpenRules decision management with ProcessMaker workflow automation.
Rule DB announced
The new product lets business decision models access relational databases through Excel-based DataSQL tables.
Release 8.2.1 adds decision-service orchestration
Users can assemble services, migrate SQL queries to rules, and build reusable domain libraries.
SaaS Rule Learner announced
The cloud tool helps subject matter experts generate rules from historical data without installation or prior ML knowledge.
Rule Learner becomes publicly available
OpenRules released its business-oriented machine-learning product for ever-learning decisioning systems.
Release 8.2.0 simplifies installation
The release adds sample downloads, improves explanations, and streamlines setup across operating systems.
Release 8.1.2 accelerates very large decision tables
A new execution mechanism improves BigTable performance by 10 to 100 times.
OpenRules arrives in AWS Marketplace
Decision Manager became available through a pay-as-you-go SaaS subscription.
Release 8.1.0 broadens cloud deployment
Business decision models can be deployed as AWS Lambda functions, REST services, or Docker containers.
2019
Release 8.0.2 adds one-click AWS Lambda deployment
Business analysts can deploy Excel-based decision models to AWS Lambda without coding.
Release 8.0.1 brings decision models to Amazon cloud
A graphical interface supports no-code deployment with AWS Lambda and API Gateway.
OpenRules Decision Manager becomes generally available
The new digital decisioning platform launches for modern enterprises, cloud environments, and containers.