Issues

• IFC5 (USD/JSON) support

  enhancement
  IOExtend/IfcIO#34 · Filter by author mahach666 opened on Nov 11, 2026

• BCF 3.0 support

  enhancement
  IOExtend/IfcIO#33 · Filter by author mahach666 opened on Nov 11, 2026

• Test coverage: real-world IFC samples and direct tests for untested classes

  enhancement
  IOExtend/IfcIO#32 · Filter by author mahach666 opened on Nov 11, 2026

• Performance: index entities by type and reduce memory use when reading large files

  enhancement
  IOExtend/IfcIO#31 · Filter by author mahach666 opened on Nov 11, 2026

• Performance: spatial index for clash detection and clash grouping

  enhancement
  IOExtend/IfcIO#30 · Filter by author mahach666 opened on Nov 11, 2026

• Schema handling: detect IFC4X3 explicitly and warn on unknown schemas

  enhancement
  IOExtend/IfcIO#29 · Filter by author mahach666 opened on Nov 11, 2026

• Import more element classes (MEP flow elements, curtain walls, piles, ramps, furniture, ...)

  enhancement
  IOExtend/IfcIO#28 · Filter by author mahach666 opened on Nov 11, 2026

• Support more profile definitions (curves with arcs, voids, other parameterized shapes)

  enhancement
  IOExtend/IfcIO#27 · Filter by author mahach666 opened on Nov 11, 2026

• Support more geometry representations on import

  enhancement
  IOExtend/IfcIO#26 · Filter by author mahach666 opened on Nov 11, 2026

• docs/public-api.md lists types and features that do not exist

  documentation
  IOExtend/IfcIO#25 · Filter by author mahach666 opened on Nov 11, 2026

• README 4D/5D example does not compile

  documentation
  IOExtend/IfcIO#24 · Filter by author mahach666 opened on Nov 11, 2026

• CLI: options and messages do not match the documentation

  bug
  IOExtend/IfcIO#23 · Filter by author mahach666 opened on Nov 11, 2026

• Boolean results: nested operands and IfcPolygonalBoundedHalfSpace are lost on import

  bug
  IOExtend/IfcIO#22 · Filter by author mahach666 opened on Nov 11, 2026

• Clash detection: Clearance and Duplicates clash types are not implemented

  bug
  IOExtend/IfcIO#21 · Filter by author mahach666 opened on Nov 11, 2026

• Element Ids restart per storey and produce duplicate GlobalIds

  bug
  IOExtend/IfcIO#20 · Filter by author mahach666 opened on Nov 11, 2026

• Units are not read on import; Foot/Inch and AngleUnit are ignored on write

  bug
  IOExtend/IfcIO#19 · Filter by author mahach666 opened on Nov 11, 2026

• Profile writer emits a schema-invalid number of attributes for I/L/U shapes

  bug
  IOExtend/IfcIO#18 · Filter by author mahach666 opened on Nov 11, 2026

• Faceted Brep import fills holes and mis-triangulates non-convex faces

  bug
  IOExtend/IfcIO#17 · Filter by author mahach666 opened on Nov 11, 2026

• Type objects (IfcWallType, IfcDoorStyle, ...) are imported as building elements

  bug
  IOExtend/IfcIO#16 · Filter by author mahach666 opened on Nov 11, 2026

• Import ignores ObjectPlacement and the rotation of solid placements

  bug
  IOExtend/IfcIO#15 · Filter by author mahach666 opened on Nov 11, 2026

• STEP string decoding: \S\, \P?\ and \X4\ escapes are not handled

  bug
  IOExtend/IfcIO#14 · Filter by author mahach666 opened on Nov 11, 2026

• StepReader: most HEADER fields are never populated

  bug
  IOExtend/IfcIO#13 · Filter by author mahach666 opened on Nov 11, 2026

• StepReader: several entities on one line, comments and multi-line strings are parsed incorrectly

  bug
  IOExtend/IfcIO#12 · Filter by author mahach666 opened on Nov 11, 2026