# HOOPS Exchange 2018 SP2 U2

HOOPS Exchange 2018 SP2 U2 is a bug-fix release only.

Fixed Bugs

Issue Number | Description
--- | ---
31547 | Add/Implement support of additional search directories for XML files
31755 | SolidEdge Assemblies Missing parts, loading from PRC is OK
32284 | A3DLicPutUnifiedLicense called twice returns -34
32361 | Collision isn’t detected
32380 | Empty model when loading XML
32426 | HOOPS Exchange does not identify proper Clearance or Collision result
32479 | A3DTopoEdgeGetSurfaces() crashes

C API Changes

`A3DTopoItemOwnersManagerGet()` and `A3DTopoItemOwnersGet()` prototypes have been changed to work properly.

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