diff --git a/README.md b/README.md
index 5ad034ec5f8..58289e1b1a9 100644
--- a/README.md
+++ b/README.md
@@ -5,23 +5,26 @@ In other words, ClPy enables softwares written in CuPy to work also on OpenCL de
 
 ## Current status
 
-Current ClPy is beta version, forked from [CuPy v2.1.0](https://github.com/cupy/cupy/releases/tag/v2.1.0).
-ClPy is still under development and works on only limited APIs.
-
-* Most of [ndarray](https://docs-cupy.chainer.org/en/v2.5.0/reference/ndarray.html) are supported, but not perfectly
-* Most of [universal functions](https://docs-cupy.chainer.org/en/v2.5.0/reference/ufunc.html) are supported, but not perfectly
-* All [custom kernel](https://docs-cupy.chainer.org/en/v2.5.0/reference/kernel.html)s are supported.
-* All BLAS APIs used by ClPy itself are supported. Other types are currently not.
-* Sparse matrix, dnn, rand libraries are not supported
+Current ClPy is release-candidate version, forked from [CuPy v2.1.0](https://github.com/cupy/cupy/releases/tag/v2.1.0).
+ClPy support most of CuPy's functions.
+
+* All [ndarray](https://docs-cupy.chainer.org/en/v2.5.0/reference/ndarray.html) core
+* All [universal functions](https://docs-cupy.chainer.org/en/v2.5.0/reference/ufunc.html) core
+* All [custom kernel](https://docs-cupy.chainer.org/en/v2.5.0/reference/kernel.html)s core
+* BLAS library compatible with cuBLAS
+* Multiple device (thus ChainerMN)
+
+ClPy is still under development and has limitations as followings.
+
+* Other CUDA libraries (cuSPARSE, cuSOLVER, cuDnn, cuRAND, thrust) are not supported
 * half and complex are not supported
-* Works on only a single device
 * No multiple command queue (Stream on CUDA)
 * Dockerfile and some other files are just neglected thus don't work well
 
-Many original CuPy's tests are passed but not perfectly. See current [CuPy's test and example results](https://github.com/fixstars/ClPy/wiki/cupy_test_example_results).
+Therefore, almost all original CuPy's tests are passed excluding unsupported libraries. See current [CuPy's test and example results](https://github.com/fixstars/ClPy/wiki/cupy_test_example_results).
 
-[Chainer](https://chainer.org/) works with limited situation.
-Some examples are confirmed to work. See current [Chainer's test and example results](https://github.com/fixstars/ClPy/wiki/chainer_test_example_results).
+Almost all [Chainer](https://chainer.org/) works.
+See current [Chainer's test and example results](https://github.com/fixstars/ClPy/wiki/chainer_test_example_results).
 
 ## Recommended system
 
@@ -119,17 +122,16 @@ $ python -m pytest test_you_want.py
 
 ## Future plan
 
-We are developing v0.2.1beta2 for next release.
+We are developing v2.1.0rc2 for next release.
 
-* Support all BLAS APIs
 * Accelerate chainer's example performance
-* Multiple devices
 * Multiple CommandQueue (Stream)
+* Support sorting algorithm
 * -- and other functions and/or bug fixes that someone develops and/or requests..
 
 We also plan to update CuPy's base version to v4 or v5 after beta release.
 
-Check [github's issues and pull requests ](https://github.com/fixstars/clpy/issues) to get latest status.
+Check [github's issues and pull requests](https://github.com/fixstars/clpy/issues) to get latest status.
 
 ## License
 
diff --git a/clpy/_version.py b/clpy/_version.py
index 3ec699a31d8..1aab64cb38c 100644
--- a/clpy/_version.py
+++ b/clpy/_version.py
@@ -1 +1 @@
-__version__ = '2.1.0b1'
+__version__ = '2.1.0rc1'