I18n: Add new language options (#101899)

* Add newLanguages feature toggle

* add additional languages behind feature toggle

* be more forgiving of what config looks like in tests

* tweak regex

* put pt-br back

* restore order of pt-BR and cn-Hans, rename EXTRA_LANGUAGES to NEW_LANGUAGES

* stricter test regex

pkg/services/featuremgmt/registry.go

@@ -1812,6 +1812,13 @@ var (
 			HideFromDocs:      true,
 			FrontendOnly:      true,
 		},
+		{
+			Name:         "extraLanguages",
+			Description:  "Enables additional languages",
+			Stage:        FeatureStageExperimental,
+			Owner:        grafanaFrontendPlatformSquad,
+			FrontendOnly: true,
+		},
 	}
 )
 

pkg/services/featuremgmt/toggles_gen.csv

@@ -239,3 +239,4 @@ assetSriChecks,experimental,@grafana/frontend-ops,false,false,true
 alertRuleRestore,preview,@grafana/alerting-squad,false,false,false
 grafanaManagedRecordingRulesDatasources,experimental,@grafana/alerting-squad,false,false,false
 inviteUserExperimental,experimental,@grafana/sharing-squad,false,false,true
+extraLanguages,experimental,@grafana/grafana-frontend-platform,false,false,true

pkg/services/featuremgmt/toggles_gen.go

@@ -966,4 +966,8 @@ const (
 	// FlagInviteUserExperimental
 	// Renders invite user button along the app
 	FlagInviteUserExperimental = "inviteUserExperimental"
+
+	// FlagExtraLanguages
+	// Enables additional languages
+	FlagExtraLanguages = "extraLanguages"
 )

pkg/services/featuremgmt/toggles_gen.json

@@ -1713,6 +1713,19 @@
         "hideFromAdminPage": true
       }
     },
+    {
+      "metadata": {
+        "name": "extraLanguages",
+        "resourceVersion": "1741626708204",
+        "creationTimestamp": "2025-03-10T17:11:48Z"
+      },
+      "spec": {
+        "description": "Enables additional languages",
+        "stage": "experimental",
+        "codeowner": "@grafana/grafana-frontend-platform",
+        "frontend": true
+      }
+    },
     {
       "metadata": {
         "name": "extraThemes",