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Version 1.17.0

Release Date: July 25, 2026 Release Type: Release Candidate

This was a Release Candidate published to the staging channel; its content was validated and is included in 1.18.0, the first release on the single product version line. The headline of this release is native XI 3.0 messaging — an always-on inbound listener, reliable asynchronous EO/EOIO messaging and outbound XI requests, together with the matching XI Proxy flow connectors and systems registry.

Backend Server

New Features

  • XI 3.0 inbound connectivity: MIP can receive XI 3.0 messages directly from partner registry/business systems through an always-on inbound listener on a configurable public path (default /XIMIP). It parses XI 3.0 envelopes, resolves the sending and receiving parties, routes each message to the correct flow, and replies with standards-compliant acknowledgements and faults. Error handling is fail-closed, so a message is never falsely acknowledged, and rejections (unknown binding, malformed envelope, authentication failure) now appear in Message Monitoring with an actionable explanation.
  • Reliable asynchronous XI messaging (EO / EOIO): Asynchronous XI messages are accepted into a durable inbox and persisted before being acknowledged, so no message is lost under failure. Exactly-Once deduplicates repeats and Exactly-Once-In-Order keeps strict per-queue ordering, with safe handling across multiple server nodes, automatic cleanup of old records, and flow-declared ordered-queue names. A background worker sends acknowledgements back to the sending system using pooled credentials, and each message is linked to its Message Monitoring record.
  • XI 3.0 outbound requests: A new flow step sends XI 3.0 requests to a registry/business system selected by name, supporting Best Effort and Exactly Once quality of service with automatic retry on transient failures, and returns the peer's response into the flow.

Frontend Server

New Features

  • XI systems, queues and proxy receiver: Register XI business systems, monitor XI inbound queues with retry and cancel, and use the new XI proxy receiver step.

Frontend Web

New Features

  • Design flows directly from XI (ESR) interfaces: New inbound and outbound XI Proxy connectors let you build flows straight from interfaces in the Enterprise Services Repository — pick an interface, target a registered system, choose its WSDL source, bind sender/receiver party-service, and set EOIO queues, all from a searchable catalog tree grouped by software-component version and namespace.
  • XI systems registry and queue monitoring: A new administration area to register XI/PO systems, manage a shared credential pool and business-party bindings, copy an existing system definition, run detailed connection tests, and monitor message queues.

This is a Release Candidate (pre-release); its validated content ships in 1.18.0. Previous: 1.16.6