LM-2252 GEO: Fixed an issue that caused a segmentation fault when a DNS Time Signature (TSIG) record is received. [Note: TSIG records are ignored by GEO.]
LM-2251 Certificate Authentication: Fixed an issue (introduced in 7.2.56.0) where certificate login is failing with an audit log message incorrectly indicating that the certificate Subject Alternative Name (SAN) field doesn’t contain a User Principle Name (UPN).
LM-2239 Kubernetes Ingress Controller (KIC): Fixed an issue where under certain circumstances Real Servers are not added as expected to a Virtual Service.
LM-2073 Kubernetes Ingress Controller (KIC): Fixed an internal issue that caused adding Virtual Services to fail. To address these issues, upgrade to 7.2.59.0 and update the KIC add-on packages to the 7.2.59.0 versions.
LM-1900 GEO: Fixed an issue wherein using the All Available selection criteria can cause the name resolution daemon (named) to consume additional resources and provide unexpected responses.
LM-1881

SAML Authentication: Fixed an internal error that could cause SAML decoding to fail with a message similar to this:

ssomgr: auth_saml_post: ERROR SAML Response decode failed!
LM-1803 Kubernetes Ingress Controller (KIC): Fixed an issue where upgrading the KIC add-on can result in the duplication of SubVSs.
LM-1735 GEO: Fixed an issue where GEO is disabled but spurious logs and alerts appear warning about the failure of GEO processes.
LM-1723 GEO Partnering: There is a small window of time during a partner sync where concurrent changes on the partners may not be reflected on both systems. The only workaround is to repeat the modification.
LM-1715 WAF: Fixed a bug that caused only Legacy WAF custom rules to be displayed in the UI when WAF is not enabled on any Virtual Service.
LM-1369 Single Sign ON (SSO): Fixed an issue that caused SSO logins to not be blocked after the configured number of failed attempts.
LM-1281

Kubernetes Ingress Controller (KIC): Fixed an issue where enabling LDAP for UI login results in errors like the following when Kubernetes attempts to contact LoadMaster via the API: 

validuser: bind failed for user [k8s] ...
LM-1038 Single Sign On w/Permitted Groups: Fixed an intermittent issue where the wrong permitted group may be chosen on login.
LM-662 GEO: In previous releases, Cluster Checks can be selected even when there are no clusters present. This UI issue has been fixed.
LM-99 ACME Lets Encrypt Certificates: In previous releases, Lets Encrypt certificates could not be deleted even when not being used. This issue has been fixed.