diff --git a/README.md b/README.md
index 95d07c02..4c44f190 100644
--- a/README.md
+++ b/README.md
@@ -37,9 +37,6 @@ iwasm VM core
 - [wasm-c-api](https://github.com/WebAssembly/wasm-c-api)
 - [Tail-call](https://github.com/WebAssembly/tail-call)
 
-### Performance and memory usage
-The WAMR performance, footprint and memory usage data are available at the [performance](../../wiki/Performance) wiki page.
-
 ### Supported architectures and platforms
 
 The iwasm supports the following architectures:
@@ -52,7 +49,7 @@ The iwasm supports the following architectures:
 
 Following platforms are supported. Refer to [WAMR porting guide](./doc/port_wamr.md) for how to port WAMR to a new platform.
 
-- [Linux](./doc/build_wamr.md#linux),  [Linux SGX (Intel Software Guard Extension)](./doc/linux_sgx.md),  [MacOS](./doc/build_wamr.md#macos),  [Android](./doc/build_wamr.md#android)
+- [Linux](./doc/build_wamr.md#linux),  [Linux SGX (Intel Software Guard Extension)](./doc/linux_sgx.md),  [MacOS](./doc/build_wamr.md#macos),  [Android](./doc/build_wamr.md#android), Windows
 - [Zephyr](./doc/build_wamr.md#zephyr),  [AliOS-Things](./doc/build_wamr.md#alios-things),  [VxWorks](./doc/build_wamr.md#vxworks), [NuttX](./doc/build_wamr.md#nuttx)
 
 ### Build iwasm VM core (mini product)
@@ -119,22 +116,6 @@ The WAMR [samples](./samples) integrate the iwasm VM core, application manager a
 - **[wasm-c-api](./samples/wasm-c-api/README.md)**: Demonstrating how to run some samples from [wasm-c-api proposal](https://github.com/WebAssembly/wasm-c-api) and showing the supported API's.
 
 
-Releases and acknowledgments
-============================
-
-WAMR is a community effort. Since Intel Corp contributed the first release of this open source project, this project has received many good contributions from the community.
-
-See the [major features releasing history and contributor names](./doc/release_ack.md)
-
-
-Roadmap
-=======
-
-See the [roadmap](./doc/roadmap.md) to understand what major features are planned or under development.
-
-Please submit issues for any new feature request or your plan for contributing new features.
-
-
 License
 =======
 WAMR uses the same license as LLVM: the `Apache 2.0 license` with the LLVM
@@ -143,9 +124,13 @@ use, modify, distribute and sell your own products based on WAMR.
 Any contributions you make will be under the same license.
 
 
-Submit issues and contact the maintainers
-=========================================
-[Click here to submit. Your feedback is always welcome!](https://github.com/intel/wasm-micro-runtime/issues/new)
 
+# More resources
+
+Check out the [Wiki documents ](../../wiki) for more resources:
+
+- [Performance and footprint data](../../wiki/Performance)
+- Community news and events
+- Roadmap
+- Technical documents
 
-Contact the maintainers: imrt-public@intel.com
diff --git a/doc/release_ack.md b/doc/release_ack.md
deleted file mode 100644
index a0adfff4..00000000
--- a/doc/release_ack.md
+++ /dev/null
@@ -1,61 +0,0 @@
-Major feature releases and contributors
-=========================================
-
-
-**May 07, 2019: WAMR first GitHub release**
-
-- Contributors: Wenyong Huang, Weining Lu, Lei Shi, Li Tian, Jizhao Zhang, Yi Zhang, Daoming Qiu, Xin Wang (Intel)
-
-**May 17, 2019: Application manager, WASM APP API, samples and test tools**
-
-- Contributors: Wenyong Huang, Weining Lu, Lei Shi, Li Tian, Jizhao Zhang, Yi Zhang, Daoming Qiu, Xin Wang (Intel)
-
-
-**May 23, 2019: Support AliOS Things**
-
-- Contributor: JinZhou Zhu (Alibaba)
-
-**May 24, 2019: Support memory usage profiler**
-
-- Contributors Wenyong Huang (Intel)
-
-**Jun 11, 2019: Add WASM APP API connection**
-
-
-- Contributor: Weining Lu (Intel)
-
-**Jun 10, 2019: Support VxWorks**
-
-- Contributor: Yiting Wang (WindRiver)
-
-**Aug 1, 2019: Add WGL graphic user interface API**
-
-- Contributor: Weining Lu
-
-**Aug 14, 2019: Add Docker support**
-
-
-- Contributor: beriberikix
-
-
-**Aug 14, 2019: WASM IoT app store demo**
-
-
-- Contributor: Luhanzhi Li, Jun Xu (Intel)
-
-
-**Aug 28, 2019: SGX support**
-
-
-- Contributor: Mic Bowman (Intel)
-
-
-**Sep 6, 2019: Mac platform support**
-
-
-- Contributor: Jonathan Dong (Alibaba)
-
-**Nov 2019: WASI support** (Intel)
-
-**Jan 2020: Ahead of time and Just-in-Time compilation support** (Intel)
-
diff --git a/doc/roadmap.md b/doc/roadmap.md
deleted file mode 100644
index c5c7b84a..00000000
--- a/doc/roadmap.md
+++ /dev/null
@@ -1,23 +0,0 @@
-
-# WebAssembly Micro Runtime Roadmap
-
-
-
-## Data serialization
-Evaluating using cbor as the default data serialization
-
-No plan yet.
-
-
-
-## Threading
-Plan: 2020 Q1
-
-
-
-## AssemblyScript Support and API
-
-Currently under evaluation
-
-
-