Azure Releases Service Fabric 6.5 Refresh

Recently, Microsoft Azure announced that issues found in Service Fabric 6.5 have been fixed in the refresh release.

The 6.5 refresh release has already started rolling out to the various Azure regions alongside tooling and SDK updates. The release includes runtime, SDKs and Windows Server Standalone deployments to run on-premises.
Users will be able to avail updates for .NET SDK, Java SDK and Service Fabric runtimes through Web Platform Installer, NuGet packages and Maven repositories in next 7 to 10 days within all regions.
Service Fabric 6.5 Refresh 
Source: Microsoft 
The company said that if you had upgraded Cluster to version 6.5.435.1 for Ubuntu or version 6.5.639.9590 for Windows and facing some cluster availability issues. You can reach out Azure Portal Help for assistance with this issue. You can check out some general support options for Service Fabric at
If you are not experiencing any issues with the above upgrade, the company said, you should upgrade the cluster to this 6.5 refresh release version as soon as possible.
In case Cluster had not been upgraded to version 6.5.435.1 for Ubuntu or version 6.5.639.9590 for Windows, you are required to first upgrade the cluster to the latest version of 6.4. This is version 6.4.664.9590+ for Windows and 6.4.661.1+ for Ubuntu. After that you can safely upgrade to this 6.5 refresh release version.