• Replaces the three old API generators (generator-interfaces, generator-java and generator-docs) with the api-generator-lib, which the Maven plugin now calls directly
• Removes the api-generator-maven-plugin options packageBindings, generateStructures, generateCOM, extraProperties and xsdRefDirectory
• Consumer stubs throw the errors declared by the operation as their own exception classes, plus MALStandardError and MALException, instead of MALInteractionException with an error code
• Provider handlers throw only the errors declared by the operation, or MALException, instead of MALInteractionException
• Makes MOErrorException abstract, and adds MALStandardError (parent of the MAL standard errors) and UndefinedError (for an error number that no specification defines)
• Removes deprecated methods
• Fixes the Action service sending the SUBMIT acknowledgement twice

• Adds the api-generator-lib, which will replace the three existing generators at v15.0
• Fixes the TCP/IP transport handing back closed sockets from the client pool
• Skips the address lookup for PUBLISH error messages (fixes #9)
• Drops the subscriptions of a consumer as soon as it disconnects
• Extracts the endpoint registry and the URI addressing scheme out of Transport
• Multiple fixes to the HTTP transport and re-enables the MAL testbed over HTTP
• Encodes the Blob length as 64-bit so that Blobs above 2 GB work
• Creates the Elements of an Area on demand instead of holding one of each (Java optimized)
• Adds the JDK 25 build and testbed jobs

• Vendors the W3C XML Schema files instead of downloading them at build time (removes the build's dependency on network access to w3.org)
• Fixes a race condition and silent failures in the LazyMessageBody decoding
• Restores the log-and-continue handling of NotFoundException during decoding
• No longer reports empty message bodies as failed decodes
• Loads the consumer.properties file only once per JVM

• Removes the setters from the auto-generated classes
• Removes deprecated methods
• Adds the partial Monitor & Control service implementations (Action, Alert, and Packet) and respective testbed
• Adds feature to allow Enumeration types to be used as PUB-SUB subscription keys
• Adds typed Subscription Key accessors for PUB-SUB on the consumer side
• Surfaces the MO exceptions directly on the provider Handler interfaces
• Carries the operation and field comments into the runtime metadata (enables MCP servers to be easily plugged in)
• Multiple improvements and cleanup to the api-generator
• Adds a GitHub workflow to generate the .docx files from the XML service specifications
• Fixes the PUB-SUB broker bug that dropped subscriptions on a partial deregister
• Updates the MPS spec with the final version from 26/08/2025

Version 12.3 (27 August 2025)

• Updates the MPS spec with the final version from 26/08/2025

Version 12.2 (07 August 2025)

• Removes the pipeline tests for Java 8
• Adds the new Encoding tests and integrated them with the GitHub pipeline
• Improves the log message of the MO Errors when they are returned by a provider
• Adds the first project skeleton for the M&C v2
• Bug Fix: the INVOKE and PROGRESS interaction patterns were not returning correctly the ACK message on async calls
• Updates the MPS spec with the final version

Version 12.1

• Removes JMS and ActiveMQ transports
• Refactors HelperTime
• Adds the MC Testbed initial code skeleton

Version 12.0

• Fixes the Enumerations: Removal of the "ordinal" number
• Simplifies the api-generator

Version 11.3

• Updates the yml files to use 'temurin' instead of 'adopt'
• Improvements to the API and Word generator
• Simplification of the pom variables
• Multiple updates to the MPD specs and respective testbed
• Updates the MPS spec with the final round of RIDs
• Updates the M&C spec with the latest changes
• Adds jetty to the http transport implementation

Version 11.2

• Fixes the MAL Broker bug that did not allow multiple PUB-SUB operations within the same service
• MPD specification - Updates to include many of the RIDs found during implementation
• Word API Generator: Supports the new "Requirements" section on operations. These are obtained from the XML file of the specs
• Word API Generator: Supports the new "Type Signature" section on operations
• Updated the Hybrid XSD to be closer to the latest version. Also, testbed XML specs had to be updated for compliance to the Hybrid XSD
• Adds more tests to the MPD Testbed