# SSSD 2.7.3
The SSSD team is announcing the release of version 2.7.2 of the System Security Services Daemon. The tarball can be downloaded from: https://github.com/SSSD/sssd/releases/tag/2.7.3
See the full release notes at: https://sssd.io/release-notes/sssd-2.7.3.html
*This is a hot fix release* which fixes a serious regression that prevented IPA users to log in.
This fix is already included in Fedora packages.
## Feedback
Please provide comments, bugs and other feedback via the sssd-devel or sssd-users mailing lists: https://lists.fedorahosted.org/mailman/listinfo/sssd-devel https://lists.fedorahosted.org/mailman/listinfo/sssd-users
## Highlights
### General information
* All SSSD client libraries (nss, pam, etc) won't serialize requests anymore by default, i.e. requests from multiple threads can be executed in parallel. Old behavior (serialization) can be enabled by setting environment variable "SSS_LOCKFREE" to "NO".