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+.. _mozilla_projects_nss_nss_3_64_release_notes:
+
+NSS 3.64 release notes
+======================
+
+`Introduction <#introduction>`__
+--------------------------------
+
+.. container::
+
+   Network Security Services (NSS) 3.64 was released on **15 April 2021**.
+
+.. _distribution_information:
+
+`Distribution Information <#distribution_information>`__
+--------------------------------------------------------
+
+.. container::
+
+   The HG tag is NSS_3_64_RTM. NSS 3.64 requires NSPR 4.30 or newer.
+
+   NSS 3.64 source distributions are available on ftp.mozilla.org for secure HTTPS download:
+
+   -  Source tarballs:
+      https://ftp.mozilla.org/pub/mozilla.org/security/nss/releases/NSS_3_64_RTM/src/
+
+   Other releases are available :ref:`mozilla_projects_nss_nss_releases`.
+
+.. _bugs_fixed_in_nss_3.64:
+
+`Bugs fixed in NSS 3.64 <#bugs_fixed_in_nss_3.64>`__
+----------------------------------------------------
+
+.. container::
+
+   -  Bug 1705286 - Properly detect mips64.
+   -  Bug 1687164 - Introduce NSS_DISABLE_CRYPTO_VSX and disable_crypto_vsx.
+   -  Bug 1698320 - replace \__builtin_cpu_supports("vsx") with ppc_crypto_support() for clang.
+   -  Bug 1613235 - Add POWER ChaCha20 stream cipher vector acceleration.
+
+`Compatibility <#compatibility>`__
+----------------------------------
+
+.. container::
+
+   NSS 3.64 shared libraries are backwards-compatible with all older NSS 3.x shared libraries. A
+   program linked with older NSS 3.x shared libraries will work with NSS 3.64 shared libraries
+   without recompiling or relinking. Furthermore, applications that restrict their use of NSS APIs
+   to the functions listed in NSS Public Functions will remain compatible with future versions of
+   the NSS shared libraries.
+
+`Feedback <#feedback>`__
+------------------------
+
+.. container::
+
+   Bugs discovered should be reported by filing a bug report on
+   `bugzilla.mozilla.org <https://bugzilla.mozilla.org/enter_bug.cgi?product=NSS>`__ (product NSS).
+
+`Notes <#notes>`__
+------------------
+
+.. container::
+
+   This version of NSS contains a number of contributions for "unsupported platforms". We would like
+   to thank the authors and the reviewers for their contributions to NSS.
+
+   Discussions about moving the documentation are still ongoing. (See discussion in the 3.62 release
+   notes.)
+\ No newline at end of file