.. include:: ../vars.rst

.. _section-whats-new-611:


What's New in 6.1.1
===================

New platforms
-------------

- macOS 11 (Big Sur) (Arm v8)
- macOS 11 (Big Sur) (x64)

  This release has validated that the libraries for architecture
  x64Darwin17clang9.0 can also be used on macOS 11 (Big Sur)
  systems with x64 CPUs. 

- QNX Neutrino 7.1 (64-bit Arm v8)  

For more information on these platforms, see the 
*RTI Connext DDS Core Libraries Platform Notes* for this release.

.. _section-routing-611-third-party-upgrades:

Third-party software upgrades
-----------------------------

.. ROUTING-954 (libxml2), -955 (libxslt)

The following third-party software used by |RS| has been upgraded:

.. list-table:: Third-Party Software Changes
    :name: ThirdPartyChanges
    :widths: 40 40 40
    :header-rows: 1

    * - Third-Party Software
      - Previous Version
      - Current Version 
    * - libxml2	
      - 2.9.4	
      - 2.9.12
    * - libxslt	
      - 1.1.29
      - 1.1.34

Some of these upgrades may fix potential vulnerabilities. 
See :ref:`section-routing-611-fixed-vulnerabilities`.

For information on third-party software used by *Connext DDS* products,
see the "3rdPartySoftware" documents in your installation: 
``<NDDSHOME>/doc/manuals/connext_dds_professional/release_notes_3rdparty``.