diff --git a/README.md b/README.md
index 931ffdd32..8bea82755 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ The following is a list of the supported Kubernetes versions for each Velero ver
 
 | Velero version | Expected Kubernetes version compatibility | Tested on Kubernetes version           |
 |----------------|-------------------------------------------|----------------------------------------|
+| 1.13           | 1.18-latest                               | 1.26.5, 1.27.3, 1.27.8, and 1.28.3     |
 | 1.12           | 1.18-latest                               | 1.25.7, 1.26.5, 1.26.7, and 1.27.3     |
 | 1.11           | 1.18-latest                               | 1.23.10, 1.24.9, 1.25.5, and 1.26.1    |
 | 1.10           | 1.18-latest                               | 1.22.5, 1.23.8, 1.24.6 and 1.25.1      |
diff --git a/design/merge-patch-and-strategic-in-resource-modifier.md b/design/Implemented/merge-patch-and-strategic-in-resource-modifier.md
similarity index 100%
rename from design/merge-patch-and-strategic-in-resource-modifier.md
rename to design/Implemented/merge-patch-and-strategic-in-resource-modifier.md
diff --git a/design/node-agent-concurrency.md b/design/Implemented/node-agent-concurrency.md
similarity index 100%
rename from design/node-agent-concurrency.md
rename to design/Implemented/node-agent-concurrency.md
diff --git a/design/pv_backup_info.md b/design/Implemented/pv_backup_info.md
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rename from design/pv_backup_info.md
rename to design/Implemented/pv_backup_info.md
diff --git a/design/schedule-skip-immediately-config_design.md b/design/Implemented/schedule-skip-immediately-config_design.md
similarity index 100%
rename from design/schedule-skip-immediately-config_design.md
rename to design/Implemented/schedule-skip-immediately-config_design.md
diff --git a/design/velero-uploader-configuration.md b/design/Implemented/velero-uploader-configuration.md
similarity index 100%
rename from design/velero-uploader-configuration.md
rename to design/Implemented/velero-uploader-configuration.md