Make streaming collection encoding off by default

Require an explicit opt in for special handling of collection encoding.

Author: rh-roman

pkg/features/versioned_kube_features.go

@@ -757,11 +757,11 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 	},
 
 	StreamingCollectionEncodingToJSON: {
-		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.32"), Default: false, PreRelease: featuregate.Beta},
 	},
 
 	StreamingCollectionEncodingToProtobuf: {
-		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.32"), Default: false, PreRelease: featuregate.Beta},
 	},
 
 	SupplementalGroupsPolicy: {

staging/src/k8s.io/apiserver/pkg/features/kube_features.go

@@ -402,11 +402,11 @@ var defaultVersionedKubernetesFeatureGates = map[featuregate.Feature]featuregate
 	},
 
 	StreamingCollectionEncodingToJSON: {
-		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.32"), Default: false, PreRelease: featuregate.Beta},
 	},
 
 	StreamingCollectionEncodingToProtobuf: {
-		{Version: version.MustParse("1.33"), Default: true, PreRelease: featuregate.Beta},
+		{Version: version.MustParse("1.32"), Default: false, PreRelease: featuregate.Beta},
 	},
 
 	StrictCostEnforcementForVAP: {

test/featuregates_linter/test_data/versioned_feature_list.yaml

@@ -1319,13 +1319,13 @@
   - default: true
     lockToDefault: false
     preRelease: Beta
-    version: "1.33"
+    version: "1.32"
 - name: StreamingCollectionEncodingToProtobuf
   versionedSpecs:
   - default: true
     lockToDefault: false
     preRelease: Beta
-    version: "1.33"
+    version: "1.32"
 - name: StrictCostEnforcementForVAP
   versionedSpecs:
   - default: false