# HOOPS Communicator 2025.1.0

HOOPS Communicator 2025.1.0 is based on HOOPS Visualize 2025.1.0, HOOPS Exchange 2025.1.0, and HOOPS Publish 2025.1.0.

## Package Changes

New DLL for Evaluators

A new DLL called a3dttd.dll has been introduced in the HOOPS Exchange package, included with the HOOPS Web Platform 2025.1. This DLL is a pre-requisite to initalize HOOPS Exchange with a trial license. The DLL is not required while initializing HOOPS Exchange with long term perpetual license. The DLL is used to collect telemetry data useful for improving user experience. More information can be found here.

## Enhancements

SpaceMouse support from 3DConnexion has been improved by fixing precision issues and by completing correct key binding.

### Fixed Bugs

Issue | Description
--- | ---
SDHC-19843 | When switching models in the switch_model example, an ‘Unable to remove markup from unknown view’ error pops up.
SDHC-19807 | Error in API clearing model
SDHC-19799 | Parts disappearing when applying explosion and zoom
SDHC-19797 | PMI visibilities do not work with createCadView and activateCadView
SDHC-19787 | Selecting Datum Feature does not highlight its semantic reference
SDHC-19779 | Node on-screen position getting displaced randomly
SDHC-19747 | Fixed the write error while Conversion of DWG files to SC format
SDHC-19629 | PMI rendering in viewer is unreadable.
SDHC-19480 | Cannot block activation of default CAD view

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