Sitefinity® CMS 15.4 Update is Here—Built for What's Next
April 24, 2026
Projects with Developer Extensions enabled can now configure external NuGet package sources for their CI/CD build pipelines. This enables teams that depend on proprietary or third-party NuGet packages to include them seamlessly in the automated build process without manual workarounds.
The Cache Purge pipeline now supports flushing the Redis cache for a specific environment. Previously, clearing the Redis cache required a support request. Customers can now trigger this directly from the Pipelines section in their project.
Learn more about cache purge here.
The automated upgrade pipeline now validates compatibility between the CMS and ASP.NET Core Renderer before upgrading. When a newer CMS version is not compatible with the current renderer version, the pipeline automatically resolves the highest CMS version that is compatible - using the official backward-compatibility matrix published by the Sitefinity product team. This prevents upgrade failures caused by version mismatches between the CMS backend and the decoupled renderer.
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