Release 4.0.x

Release Dates

29 May 2026

Warning

LemonTree.Connect for Polarion 4.0.0 requires Polarion 2512 or later.

Support for Enterprise Architect 32-bit and .eap/.eapx files has been discontinued.

Category	Description
API	Communication now uses the REST API.
General	UML type `InformationItem` is now supported.
General	Improved progress bars provide more detailed feedback during import and export operations.
Import	More advanced options for filtering Polarion data on import. See Import Filter.
Export	Diagram update detection now uses a checksum instead of the Enterprise Architect modification date.
Export	More advancded filter options are available for export. See Export Filter.
Rate Limit	REST API communication now properly supports configurable rate limits (calls per second/minute).
Licensing	Cloud licensing options are no fully functional with LTC.
Mapping Configuration	Diagrams can now be mapped like any other element, including extended diagram types. See Diagram Mapping
Mapping Configuration	Added support for specialized attributes of embedded EA elements such as Activity Parameters, Action Pins, and Ports.
Mapping Configuration	UI-based Mapping validation is now available.
Winget	LemonTree.Connect for Polarion is now available via Winget. Use `winget install lieberlieber.lemontree.connect.polarion` to get the latest version.

Category	Description
Add-in	Fixed an issue that could cause Enterprise Architect to lose focus during import or export process.
Import	Work item revisions are now correctly imported according to the revision referenced in the document.
Export	Properties are no longer lost during repeated exports.
Export	During document export, items not contained in the document are no longer marked as obsolete.
Export	Hyperlinks exported in element descriptions are now clickable and work as expected.
Export	Deleted run states are now removed during re-export.
Export	Fixed a `NullReferenceException` that could occur when exporting an invalid tagged value to an enum option field configured through a query.
Export	Fixed an issue where EA links were only written during the second export of a work item.
Export	Fixed an issue where links between exported elements were not written correctly.
Export	Fixed an issue with triggering document workflows during export.
Export	Fixed an issue in delete detection where restored elements could be recreated as duplicates in Polarion.
Mapping	Fixed an issue that could prevent mappings from being saved correctly when using the "Save to Package" action.
Navigation	Navigation to Polarion is no longer triggered on every Enterprise Architect element double-click.

Category	Description
Import	Imported work items with a parent link role to a placeholder are moved to the placeholder model root.
Import	If the top-level item in a Polarion document is not a header, it is incorrectly created as the parent of all other items. This can result in an exception when a package is created as a child of that item.
Import	Existing relations and diagram representations are removed when a placeholder is resolved.
Export	Due to a modeling constraint, links of type `Part Association` and `Shared Association` cannot be exported if the linked elements are not located in the same export package. Users should consider this limitation when selecting a link type.
Export	Stereotype changes on exported elements are not applied correctly.
Export	Using Obsolete Detection when exporting into Documents can lead to issues
Export	Newly created documents must be saved once in Polarion before they become available for export. See Cannot load document.
Export	Manually unmarking a diagram in a Polarion document can cause an internal server error. See Unmark diagram manually.
Server Configuration	Configurations created before version 3.0.0 must be updated.
Project Configuration	If `custom-field.xml` contains conflicting entries, a `PolarionServerWriteException` may occur.
Setup	Installing LemonTree.Connect using different Windows users can prevent the latest version from loading. See more details.