diff --git a/rk356x_linux/RK356X_Linux_SDK_Note.md b/rk356x_linux/RK356X_Linux_SDK_Note.md
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+# RK356X Linux SDK Note
+
+---
+
+**Versions**
+
+[TOC]
+
+---
+## rk356x_linux_release_v1.0.0_20210410.xml Note
+
+**Buildroot (2018.02-rc3)**:
+
+```
+- Upgrade libmali to g2p0
+- Upgrade Chromium to 88.0.4324.150
+- Support RKNN SDK 0.7 Version
+- Update weston to support multi-screen
+- Update mpp and gstreamer for mpeg4
+- Update rockit
+- Fixes qTbase/qt5multimedia/waylandsink/qt5declarative/qt5virtualkeyboard some bugs
+- Support lxc and pcl
+- Fixes qt5webengine on qt5.15
+```
+
+**Yocto**:
+
+```
+- Upgrade libmali to g2p0
+- Upgrade Chromium to 88.0.4324.1502
+```
+
+**Debian10 (buster)**:
+
+```
+- Upgrade libmali to g2p0
+- Upgrade Chromium to 88.0.4324.1502
+- Support multi-screen
+- Update rga/libmali/mpp packages
+```
+
+**Kernel (4.19)**:
+
+```
+- Upgrade Kernel to 4.19.172 from rockchip inside
+```
+
+**docs/tools**:
+
+```
+- Integrate AVL/DDR/DISPLAY/NVM/PCIe/UART/USB/U-BOOT documents to Common directory
+- Update camera and audio documents and directory structure
+- Add some rk356x documents
+- Update rk_sign_tool to v1.41
+- Update RKDevTool to V2.81
+- Update SDDiskTool to v1.64
+- Update SecureBootTool to v1.99
+```
+
+## rk356x_linux_beta_v0.2.0_20210226.xml Note
+
+**Buildroot (2018.02-rc3)**:
+
+```
+- Use QT5.14 by default, and support QT5.15
+- Upgrade Chromium to 87.0.4280.141
+- Fixes qt5webengine HW video decode error on 5.15
+- Update weston to fix some bugs
+- Update power-key.sh for suspend and resume
+- Add rockchip_rk356x_libs_defconfig for small system
+```
+
+**Yocto**:
+
+```
+- Fixes some issues on Yocto3.2
+```
+
+**Debian10 (buster)**:
+
+```
+- Fixes some issues on Debian10
+```
+
+**Kernel (4.19)**:
+
+```
+- Update Kernel from rockchip inside
+```
+
+## rk356x_linux_beta_v0.1.0_20210118.xml Note
+
+```
+- The first beta version
+```
+
+## rk356x_linux_alpha_v0.0.1_20201211.xml Note
+
+```
+- The first alpha version
+```
diff --git a/rk356x_linux/rk356x_linux_release_v1.1.0_20210520.xml b/rk356x_linux/rk356x_linux_release_v1.1.0_20210520.xml
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diff --git a/rk356x_linux_release.xml b/rk356x_linux_release.xml
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+rk356x_linux/rk356x_linux_release_v1.1.0_20210520.xml
\ No newline at end of file
diff --git a/yocto.xml b/yocto.xml
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