CHANGELOG.md in libmf-0.2.0 vs CHANGELOG.md in libmf-0.2.1

@@ -1,4 +1,8 @@
+## 0.2.1 (2020-12-28)
+
+- Added ARM shared library for Mac
+
 ## 0.2.0 (2020-03-26)
 
 - Changed to BSD 3-Clause license to match LIBMF
 - Added support for reading data directly from files
 - Added `format: :numo` option to `p_factors` and `q_factors`