From 016ece32c7ffdbd1c0a92b67e3a3ccb15ea2bfa1 Mon Sep 17 00:00:00 2001
From: RainbowMango <qdurenhongcai@gmail.com>
Date: Fri, 19 Nov 2021 17:46:31 +0800
Subject: [PATCH] Add upgrade document about v0.9-v0.10.

Signed-off-by: RainbowMango <qdurenhongcai@gmail.com>
---
 docs/upgrading/README.md     |  3 +++
 docs/upgrading/v0.8-v0.9.md  |  2 +-
 docs/upgrading/v0.9-v0.10.md | 12 ++++++++++++
 3 files changed, 16 insertions(+), 1 deletion(-)
 create mode 100644 docs/upgrading/v0.9-v0.10.md

diff --git a/docs/upgrading/README.md b/docs/upgrading/README.md
index ce8ff79f6..f492b16dc 100644
--- a/docs/upgrading/README.md
+++ b/docs/upgrading/README.md
@@ -37,6 +37,7 @@ The `bases`,`patches`and `kustomization.yaml` now located at `charts/_crds` dire
 #### Manual Upgrade API
 
 **Step 1: Get the Webhook CA certificate**
+
 The CA certificate will be injected into `patches` before building the final CRD.
 We can retrieve it from the `MutatingWebhookConfiguration` or `ValidatingWebhookConfiguration` configurations, e.g:
 ```bash
@@ -50,6 +51,7 @@ sed -i'' -e "s/{{caBundle}}/${ca_string}/g" ./"charts/_crds/patches/webhook_in_c
 ```
 
 **Step2: Build final CRD**
+
 Generate the final CRD by `kubectl kustomize` command, e.g:
 ```bash
 kubectl kustomize ./charts/_crds 
@@ -66,3 +68,4 @@ Components upgrading is composed of image version update and possible command ar
 
 ## Details Upgrading Instruction
 ### [v0.8 to v0.9](./v0.8-v0.9.md)
+### [v0.9 to v0.10](./v0.9-v0.10.md)
diff --git a/docs/upgrading/v0.8-v0.9.md b/docs/upgrading/v0.8-v0.9.md
index 715d2ed72..efda6aeee 100644
--- a/docs/upgrading/v0.8-v0.9.md
+++ b/docs/upgrading/v0.8-v0.9.md
@@ -3,4 +3,4 @@
 Nothing special other than the [Regular Upgrading Process](./README.md).
 
 ## Upgrading Notable Changes
-Please refer to [v0.9.0 Release Notes](https://github.com/karmada-io/karmada/releases/tag/v0.9.0).
+Please refer to [v0.9.0 Release Notes](https://github.com/karmada-io/karmada/releases/tag/v0.9.0) for more details.
diff --git a/docs/upgrading/v0.9-v0.10.md b/docs/upgrading/v0.9-v0.10.md
new file mode 100644
index 000000000..5200a6dd2
--- /dev/null
+++ b/docs/upgrading/v0.9-v0.10.md
@@ -0,0 +1,12 @@
+# v0.9 to v0.10
+
+Follow the [Regular Upgrading Process](./README.md).
+
+## Upgrading Notable Changes
+
+### karmada-scheduler
+
+The `--failover` flag has been removed and replaced by `--feature-gates`.
+If you enable fail over feature by `--failover`, now should be change to `--feature-gates=Failover=true`.
+
+Please refer to [v0.10.0 Release Notes](https://github.com/karmada-io/karmada/releases/tag/v0.10.0) for more details.