4210: mark as stable

Signed-off-by: Peter Hunt <[email protected]>

Author: haircommander

content/en/docs/concepts/architecture/garbage-collection.md

@@ -144,9 +144,7 @@ until disk usage reaches the `LowThresholdPercent` value.
 
 #### Garbage collection for unused container images {#image-maximum-age-gc}
 
-{{< feature-state feature_gate_name="ImageMaximumGCAge" >}}
-
-As a beta feature, you can specify the maximum time a local image can be unused for,
+You can specify the maximum time a local image can be unused for,
 regardless of disk usage. This is a kubelet setting that you configure for each node.
 
 To configure the setting, you need to set a value for the `imageMaximumGCAge`
@@ -207,4 +205,4 @@ configure garbage collection:
 
 * Learn more about [ownership of Kubernetes objects](/docs/concepts/overview/working-with-objects/owners-dependents/).
 * Learn more about Kubernetes [finalizers](/docs/concepts/overview/working-with-objects/finalizers/).
-* Learn about the [TTL controller](/docs/concepts/workloads/controllers/ttlafterfinished/) that cleans up finished Jobs.
+* Learn about the [TTL controller](/docs/concepts/workloads/controllers/ttlafterfinished/) that cleans up finished Jobs.

content/en/docs/reference/command-line-tools-reference/feature-gates/ImageMaximumGCAge.md

@@ -13,5 +13,8 @@ stages:
   - stage: beta
     defaultValue: true
     fromVersion: "1.30"
+  - stage: stable
+    defaultValue: true
+    fromVersion: "1.35"
 ---
 Enables the kubelet configuration field `imageMaximumGCAge`, allowing an administrator to specify the age after which an image will be garbage collected.