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|HCTHEN| 2025.3.0
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.. attention::
   HOOPS Communicator 2025.3.0 has been superseded by version 2025.3.1 due to a digital signature expiration.
   Non-Windows platforms are unaffected and need not update.

   Please refer to the patched documentation version `here <docs.techsoft3d.com/communicator/2025.3.1/release_notes/2025.4.1.html>`__.

   For more information, please visit `our dedicated support page <https://techsoft3d.atlassian.net/wiki/spaces/SPD/pages/4159963204/Windows+Certificate+Issue+-+HOOPS+Binaries>`__.

Technology Update
=================

Platform Changes
----------------

|HCTHEN| support has now been extended to Linux on ARM64 (ARMv8-A).
The minimum supported OS is RHEL 8 with Devtoolset 9.

See our  :doc:`/overview/supported-platforms` page for details.


Enhancements
============

The WebViewer user interface is changing.
Since the release of |HCTHEN| 2025.2.0, a new UI for the WebViewer is introduced, designed around Web Components.
In this release, new elements are introduced: Context Menu, Dark mode, minimalistic html template for export.
For full details on the content and beta program, please visit :doc:`/prog_guide/viewing/web_components/introduction`.

Fixed Bugs
==========

.. csv-table::
    :header: "Issue", "Description"

    "SDHC-19969", "Reverted an update to available API methods that prevented the use of some private functions"
    "SDHC-19955", "Fixed an issue in shattered model conversion"
    "SDHC-19926", "Fixed RI Set conversion in shattered parts"
    "SDHC-19921", "Added --png_fit_world_exact  optoin"
    "SDHC-19905", "Fixed reading of the ellipse interval parameters in CATDrawing files"
    "SDHC-19495", "Fixed incorrect layer content"
    "SDHC-19422", "Fixed unexpected selectionArray callback invocation"

