# HOOPS Publish 2025.1.0

## Technology Update

### Third-Party Libraries Updates

Below third-party libraries have been updated:

Library | New Version
--- | ---
libexpat | 2.6.2

For more information about package content, see Distributing Your Application.

## API Changes

### Removal of `HOOPS_LICENSE`

As of HOOPS Publish 2025.1.0, the automatic inclusion of the hoops_license.h header file from HOOPS Publish headers has been removed. This change, first introduced as a deprecation in 2024.7.0, is now mandatory and in full effect.

Key Changes

- The `HOOPS_LICENSE` macro is no longer automatically defined unless hoops_license.h is explicitely included.
- Developers are required to explicitly include hoops_license.h, manually define the `HOOPS_LICENSE` macro, or pass the license key directly in their code when initializing HOOPS Publish via the function `A3DLicPutUnifiedLicense()`.

To initialize HOOPS Publish correctly, the `A3DLicPutUnifiedLicense()` function expects a C-string value containing your licence information. You may either directly pass this value in paramater or explicitely include hoops_license.h to get access to the `HOOPS_LICENSE` macro.

For more details, please refer to our /guide/start/initiaizing guide and our /tutorials/environment-setup tutorial.

### Deprecations and Removals

The deprecated symbols have been renamed and moved to the new `A3DPDFDeprecated.h` header.

APIs involved with the module TableToPDF have been removed. As a replacement, HOOPS Publish now provides a built-in API for table management. The API consists in `A3DPDFTableCreateFromDesc()` function that, used along with `A3DPDFPageInsertTable()` allows you to easily insert tables into your document.

See the /api/group__a3d__pdf__tablefromapi__module reference for more information.

## Package Changes

DLL name change (Unix)

On Unix platforms, the name of HOOPS Publish library files has changed to conform better to usual naming standards:

- GNU/Linux: `libA3DLIBS-25.1.0.so` is changed to `libA3DLIBS.so.25.1.0`. `libA3DLIBS.so` is still provided and is now a symlink to the new file name.
- macOS: `libA3DLIBS-25.1.0.dylib` is changed to `libA3DLIBS.25.1.0.dylib`. `libA3DLIBS.dylib` is still provided and is now a symlink to the new file name.

For more information about package files, see Distributing Your Application.

New DLL for Evaluators

A new DLL called a3dttd.dll has been introduced in the HOOPS Publish package. This DLL is a pre-requisite to initalize HOOPS Publish with a trial license. The DLL is not required while initializing HOOPS Publish with long term perpetual license. The DLL is used to collect telemetry data useful for improving user experience. More information can be found here.

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