v4.4.0

To fix any issues due to migration, please go to the migration guide. Labels and are clickable and lead to the section of the migration guide corresponding to the associated described change.

Release notes

CGMES

• If b or g undefined for two windings transformers in CGMES, don't crash (#1823)
• Multiple ACLineSegments inside a Line container (#1808)
• Allow to post-process CGMES measurements' data (Discrete and Analog) (#1822)

Conversion

• Expose exporter parameters (#1786)

IIDM

• Values for measurements and discrete measurements should be optional (#1806)
• Add backward compatibility to Importer.importData(ReadOnlyDataSource, NetworkFactory, Properties, Reporter) (#1781)
• Stopping traverser if needed (#1801)
• Add new extension: InjectionObservability (#1788)
• Allows to move line ends (#1807)
• Traverser from several vertices (#1800)
• Fix IdBasedBusRef implementation when branch is not found is the network (#1821)
• Add new extension BranchObservability (#1790)
• Clarify TraverseResult enum names (#1824)
• Extensions to specify if tap changers should be estimated during state estimation or not (#1779)
• Fix VscConverterStation setters return type (#1827)
• Notify update for SVC regulating terminal (#1830)
• Add line1Name and line2Name to mergedXNode xml (#1829, #1832 & #1833)
• Bump to XIIDM 1.6
  • Make substations optional (#1796 & #1818)
  • Add regulating terminal for VSC converter station (#1817)

Math

• Fast matrix element re-update (#1809)
• KLU Rgrowth threshold configuration (#1810)
• Add matrix transpose (#1820)

PSS/E

• Psse exporter (#1769)

Security analysis

• BranchResult: Add double attribute to handle flowTransfer data (#1776)

Sensitivity analysis

• New sensitivity factor: add branch to HVDC setpoint factors to sensitivity API (#1816)

Quality

• Bump commons-compress from 1.19 to 1.21 (#1803)
  CVE-2021-36090
  CVE-2021-35516
  CVE-2021-35515
  CVE-2021-35517