We have upgraded Istio on all clusters that use it. The version was upgraded from 1.11.2 to 1.12.0.
You can check the full release notes here.
We’ve taken the chance to also upgrade Kiali to the latest version, from 1.40.0 to 1.43.0. This only includes minor changes and bug fixes.
The mentioned upgrades are already rolled out to all relevant clusters and you don’t need to take any further action.