# HOOPS Exchange 2017 SP1

Format Updates

Format | Updated Version
--- | ---
Creo | 4.0

New Formats

## HSF

HOOPS Exchange now supports the HOOPS Stream Format.

### Enhancements

## STEP

Semantic PMI are now supported for both read and write operations.

ACIS

Custom attributes are now supported.

Rhino

2D & 3D wires are now supported.

JT

Semantic PMI information can be retrieved as an attribute.

### Functionality Enhancements

We’ve made some improvements to our sewing algorithms, including increased performance and improvements to detecting and deleting small silver faces. - Our healing algorithm has also been improved to correct face orientation when reading STEP files.

#### Special Notes

Compilation update: const qualifiers have been removed from structure fields. This change may generate some compiler errors in your code and require some minor adjustments.

Packaging update: We now offer two packages on Windows for the following compilers:

- Visual Studio 2015
- Visual Studio 2013

Please note, the Visual Studio 2013 package will be discontinued in HOOPS Exchange 2018 (to be released in November 2017).

We also offer two packages on Linux for the following operating systems and compilers:

- CentOS 5.11 using glibc 2.5
- CentOS 6.8 using glibc 2.12

The CentOS 5.11 package will be discontinued in HOOPS Exchange 2018 (November 2017).

If you have any concerns with these changes, please contact our support team.

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