Updating changelog

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 See README.md on how to build the hipCUB documentation using Doxygen.
 
-## (Unreleased) hipCUB-2.11.0 for ROCm 5.1.0
+## hipCUB-2.11.0 for ROCm 5.1.0
 ### Added
 - Device segmented sort
 - Warp merge sort, WarpMask and thread sort from cub 1.15.0 supported in hipCUB
@@ -12,8 +12,6 @@ See README.md on how to build the hipCUB documentation using Doxygen.
   - This particularly changes behaviour of small-size input types with large-size output types (e.g. short input, int output).
   - And low-res input with high-res output (e.g. float input, double output)
   - Block merge sort no longer supports non power of two blocksizes
-### Known Issues
-  - grid unit test hanging on HIP on Windows
 
 ## hipCUB-2.10.13 for ROCm 5.0.0
 ### Fixed