From 2e65cd6ebccd727c89d1a134175d724e5005a414 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rulong=20Chen=EF=BC=88=E9=99=88=E6=B1=9D=E9=BE=99=EF=BC=89?=
 <26625149+0xZOne@users.noreply.github.com>
Date: Tue, 18 Apr 2023 14:12:47 +0800
Subject: [PATCH] Release 4.2.2 (#1825)

---
 CHANGELOG.md    | 6 ++++++
 README.md       | 4 ++--
 README_CN.md    | 4 ++--
 docs/install.md | 2 +-
 4 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ea7ac174..de9fd76c 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 ## NEXT
 
+## 4.2.2
+1. [Android] 通过栈来记录活动的Activity，解决部分场景下topActivity可能为空的问题 (#1810)
+2. Add Test Cases for ImageCache. (#1822)
+3. Fix type conversion errors and add a prompt for unregistered routes. (#1823)
+4. 修复后退时前一个页面不必要的rebuild的问题 (#1824)
+
 ## 4.2.1
 1. Add hero animation demo. (#1756)
 2. [ios] Fixes the warning that the license file does not exist (#1759)
diff --git a/README.md b/README.md
index a1bf6d12..21658a1d 100755
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 </p>
 
 # Release Note
-## 4.2.1
+## 4.2.2
 
 PS：Null-safety is already supported.
 
@@ -41,7 +41,7 @@ Open you pubspec.yaml and add the following line to dependencies:
 flutter_boost:
     git:
         url: 'https://github.com/alibaba/flutter_boost.git'
-        ref: '4.2.1'
+        ref: '4.2.2'
 ```
 
 
diff --git a/README_CN.md b/README_CN.md
index 28537dad..e373f28b 100755
--- a/README_CN.md
+++ b/README_CN.md
@@ -5,7 +5,7 @@
 
 # Release Note
 
-## 4.2.1
+## 4.2.2
 
 PS：主线已支持空安全(null-safety)
 
@@ -40,7 +40,7 @@ PS：主线已支持空安全(null-safety)
 flutter_boost:
     git:
         url: 'https://github.com/alibaba/flutter_boost.git'
-        ref: '4.2.1'
+        ref: '4.2.2'
 ```
 
 # 使用文档
diff --git a/docs/install.md b/docs/install.md
index 1cbb085e..0b4e237c 100755
--- a/docs/install.md
+++ b/docs/install.md
@@ -18,7 +18,7 @@
 flutter_boost:
   git:
     url: 'https://github.com/alibaba/flutter_boost.git'
-    ref: '4.2.1'
+    ref: '4.2.2'
 ```
 
 之后在flutter工程下运行`flutter pub get` dart端就集成完毕了，然后可以在dart端放上一些代码,以下代码基于example3.0