(mozilla-projects-nss-nss-3-99-release-notes)=

# NSS 3.99 release notes

## [Introduction](#introduction)

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Network Security Services (NSS) 3.99 was released on *15th March 2024\**.
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## [Distribution Information](#distribution_information)

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The HG tag is NSS_3_99_RTM. NSS 3.99 requires NSPR 4.35 or newer.

NSS 3.99 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_99_RTM/src/>

Other releases are available {ref}`mozilla_projects_nss_releases`.
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(changes-in-nss-3-99)=

## [Changes in NSS 3.99](#changes_in_nss_3.99)

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- Bug 1325335 - Removing check for message len in ed25519
- Bug 1884276 - add ed25519 to SECU_ecName2params.
- Bug 1325335 - add EdDSA wycheproof tests.
- Bug 1325335 - nss/lib layer code for EDDSA.
- Bug 1325335 - Adding EdDSA implementation.
- Bug 1881027 - Exporting Certificate Compression types
- Bug 1880857 - Updating ACVP docker to rust 1.74
- Bug 1325335 - Updating HACL\* to 0f136f28935822579c244f287e1d2a1908a7e552
- Bug 1877730 - Add NSS_CMSRecipient_IsSupported.
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## [Compatibility](#compatibility)

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NSS 3.99 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
this new version of the 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.
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## [Feedback](#feedback)

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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).
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