Eclipse Milo 0.3.0



This release includes major updates to functionality in the stack, client SDK, and server SDK. It is a stepping stone on the path to 1.0.

Milo currently targets OPC UA specification version 1.03 and this will remain the case for the eventual 1.0 release.

Major User-facing Changes


  • New state machines to manage channel and session state.


  • New AddressSpace and NodeManager APIs that replace old Namespace API in most cases.
  • Generated new ObjectNodes and ObjectTypeNodes with MethodNode getters.
  • Generated new method stubs for server methods.


  • Compatibility with Java 11.
  • Updated most dependencies to their latest versions.
  • Removed many deprecated and unused classes.
  • Migrated usages of BasicProperty to QualifiedProperty.
Security Issues

No known security issues.

Conforms To UI/UX Guidelines
Not verified