Source code
Revision control
Copy as Markdown
Other Tools
(mozilla-projects-nss-nss-3-121-release-notes)=
# NSS 3.121 release notes
## [Introduction](#introduction)
:::{container}
Network Security Services (NSS) 3.121 was released on *19 February 2026*.
:::
## [Distribution Information](#distribution_information)
:::{container}
The HG tag is NSS_3_121_RTM. NSS 3.121 requires NSPR 4.38.2 or newer.
NSS 3.121 source distributions are available on ftp.mozilla.org for secure HTTPS download:
- Source tarballs:
Other releases are available {ref}`mozilla_projects_nss_releases`.
:::
(changes-in-nss-3-121)=
## [Changes in NSS 3.121](#changes_in_nss_3.121)
:::{container}
:::