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GRFnnn for georeferencing property sets in IFC2X3

ruletracker for development of a new rule/warningtracker for development of a new rule/warning

Status: Open.

#530 In buildingSMART/ifc-gherkin-rules;

· civilx64 opened on Jul 10, 2026

Perf: full-model traversal (IFC105/IFC106) visited-set is O(n^2); plus gaps and a bug in IVS-879

Status: Open.

#527 In buildingSMART/ifc-gherkin-rules;

· jmecosta opened on Jun 26, 2026

[GRF005] CRS scale - formula is wrong

bugSomething isn't workingSomething isn't working

Status: Open.

#522 In buildingSMART/ifc-gherkin-rules;

· atomczak opened on Jun 10, 2026

Bad IfcGradientCurve.EndPoint and IfcSegmentedReferenceCurve.EndPoint not detected

ruletracker for development of a new rule/warningtracker for development of a new rule/warning

Status: Open.

#520 In buildingSMART/ifc-gherkin-rules;

· RickBrice opened on May 21, 2026

IFC106 raised when linking bSDD classification to IfcMaterial via IfcExternalReferenceRelationship

Status: Open.

#519 In buildingSMART/ifc-gherkin-rules;

· fg55b opened on May 21, 2026

Forgotten decorator?

Status: Open.

#511 In buildingSMART/ifc-gherkin-rules;

· VDobranov opened on Mar 22, 2026

LIP002 - uncertainty regarding default value of IfcAxis2PlacementLinear.Axis (affects calculated cartesian position when IfcPointbyDistanceExpression.OffsetVertical != 0)

Status: Open.

#506 In buildingSMART/ifc-gherkin-rules;

· civilx64 opened on Mar 15, 2026

No check for IfcFaceOuterBound.Orientation when used in IfcClosedShell

ruletracker for development of a new rule/warningtracker for development of a new rule/warning

Status: Open.

#505 In buildingSMART/ifc-gherkin-rules;

· civilx64 opened on Mar 12, 2026

OJP001 requires ObjectPlacement for aggregated elements without Representation

Status: Open.

#501 In buildingSMART/ifc-gherkin-rules;

· fg55b opened on Feb 26, 2026

IfcPropertyDependencyRelationship always raising IFC105 - Resource entities need to be referenced by rooted entity

Status: Open.

#499 In buildingSMART/ifc-gherkin-rules;

· fg55b opened on Feb 25, 2026

IfcRelNests decomposition and validation rule SPS007 - Spatial Containment

Status: Open.

#497 In buildingSMART/ifc-gherkin-rules;

· fg55b opened on Feb 24, 2026

[IfcBuildingStoreyQto] Misspelling error

Status: Open.

#492 In buildingSMART/ifc-gherkin-rules;

· michelangelo-acca opened on Feb 13, 2026