Update CHANGELOG.md

CHANGELOG.md

@@ -1,5 +1,17 @@
 ## Version History
 
+## Release 2.2.3
+
+* Add new pypy versions (pypy2.7-7.3.2~7.3.5) to the version list (#2194)
+* Fix Python 3.7.12 compilation on macOS arm64/M1. (#2190)
+* Fix Python 3.6.15 compilation on macOS arm64/M1. (#2189) 
+* Add Anaconda3-2021.11 (#2193) 
+* CPython 3.11.0a3 (#2187)
+* Fix errant "echo" in README install instructions (#2185)
+* Add Miniforge and Mambaforge 4.10.3-10 (#2184)
+* Add CPython 3.10.1 (#2183)
+* Fix 3.6.15 build on macOS (#2182)
+
 ## Release 2.2.2
 
 * Add support for macOS Apple M1 (#2164)