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Sitefinity Release Notes

Sitefinity CMS 15.4.8636 (Product Update)

August 18, 2026

Third-party libraries update

  • Progress.Sitefinity.Web.UI -> 2026.3.812.462
  • Progress.Sitefinity.Centaur.All -> 2026.3.812.462
  • Microsoft.IdentityModel.JsonWebTokens -> 8.21.0
  • Microsoft.IdentityModel.Logging -> 8.21.0
  • Microsoft.IdentityModel.Protocols -> 8.21.0
  • Microsoft.IdentityModel.Protocols.OpenIdConnect -> 8.21.0
  • Microsoft.IdentityModel.Protocols.WsFederation -> 8.21.0
  • Microsoft.IdentityModel.Tokens -> 8.21.0
  • Microsoft.IdentityModel.Tokens.Saml -> 8.21.0
  • Microsoft.IdentityModel.Xml -> 8.21.0
  • System.IdentityModel.Tokens.Jwt -> 8.21.0

Release notes

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