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Istio announced it will support upgrades jumping directly from 1.8 to 1.10, instead of forcing an intermediate upgrade through 1.9. In this article, I will show you how to do a canary upgrade from a 1.8 operator to 1.10 operator without affecting end user traffic.  We will incorporate the new 1.10 concept of revision tags … Istio: Canary upgrade of Operator from Istio 1.8 directly to 1.10

Istio 1.7 has the ability to do canary upgrades for revisioned control planes and operators. In this article, I will show you how to do a canary upgrade of the Istio control plane between minor versions without affecting end user traffic.

Istio 1.7 has the ability to do canary upgrades for revisioned control planes and operators, but if you did your initial installation without the ‘revision’ flag, then you’ll need to apply these settings. In this article, I will show you how to go from an non-revisioned 1.7.5 Istio operator and control plane to a 1.7.5 … Istio: Upgrading from Istio 1.7 operator without revision to fully revisioned control plane

Istio has the ability to do canary upgrades for revisioned control planes, but it was only in 1.7 that the Operator itself got  support for the ‘revision’ flag. In this article, I will show you how to go from an non-revisioned 1.6.6 Istio operator and control plane to a 1.7 revisioned operator and control plane … Istio: Upgrading from Istio 1.6 operator without revision to 1.7 fully revisioned control plane