FeatureFlags: enable i18n flag in the registry (#59662)

conf/defaults.ini

@@ -1281,7 +1281,10 @@ license_path =
 # enable = feature1,feature2
 enable =
 
-internationalization = true
+# Some features are enabled by default, see:
+# https://grafana.com/docs/grafana/next/setup-grafana/configure-grafana/feature-toggles/
+# To enable features by default, set `Expression:  "true"` in:
+# https://github.com/grafana/grafana/blob/main/pkg/services/featuremgmt/registry.go
 
 # feature1 = true
 # feature2 = false

docs/sources/setup-grafana/configure-grafana/feature-toggles/index.md

@@ -29,7 +29,7 @@ Some stable features are enabled by default. You can disable a stable feature by
 | `commandPalette`             | Enable command palette                                                                                          | Yes                |
 | `cloudWatchDynamicLabels`    | Use dynamic labels instead of alias patterns in CloudWatch datasource                                           | Yes                |
 | `prometheusBufferedClient`   | Enable buffered (old) client for Prometheus datasource as default instead of streaming JSON parser client (new) |                    |
-| `internationalization`       | Enables internationalization                                                                                    |                    |
+| `internationalization`       | Enables internationalization                                                                                    | Yes                |
 | `accessTokenExpirationCheck` | Enable OAuth access_token expiration check and token refresh using the refresh_token                            |                    |
 
 ## Beta feature toggles

pkg/services/featuremgmt/registry.go

@@ -268,6 +268,7 @@ var (
 			Name:        "internationalization",
 			Description: "Enables internationalization",
 			State:       FeatureStateStable,
+			Expression:  "true", // enabled by default
 		},
 		{
 			Name:        "topnav",