The Azure Service Fabric 8.0 Second Refresh release includes stability fixes for the runtime, standalone, and Azure environments and has started rolling out to the various Azure regions.
Service Fabric 7.2 and higher runtime drops support for .NET Core Service Fabric apps running with .NET Core 2.2 runtime. .NET Core runtime 2.2 is out of support from Dec 2019. Service Fabric runtime will not install .NET Core runtime 2.2 as part of its dependency. Customers should upgrade their .NET 2.2 runtime SF apps to the next .NET Core LTS version 3.1.
Guest executable and container applications created or upgraded in SF clusters with runtime versions 7.1+ are incompatible with prior SF runtime versions (e.g. SF 7.0).
Following scenarios are impacted:
To avoid issues when upgrading from a pre-SF 7.1 runtime version to an SF 7.1+ runtime version, do not create or upgrade applications with guest executables or containers while the SF runtime upgrade is in progress.
If the application is stuck in rollback, the rollback has to be first completed before the application can be upgraded again.
For more details, please read the release notes.
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