# 4ALLPORTAL Authentication Service SSO Release 4.0

We upgraded! What's new? Learn more about new features, technical changes and solved bugs in our 4app for sso.

Note on upgrading: If you skip a version when upgrading, check all release and patch notes in between for important information. They apply cumulative.

# New features and improvements

  • Allow download sso.war from admin snap-in Authentication/LDAP provider SSO extension.

# Patch releases

# Version 4.0.1

  • Improve and expand documentation
  • Fix security vulnerabilities

# Version 4.0.2

  • Fix do not log error when opening admin snap-in

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