CHANGELOG.md in torch-rb-0.3.7 vs CHANGELOG.md in torch-rb-0.4.0

@@ -1,4 +1,9 @@
+## 0.4.0 (2020-09-27)
+
+- Improved performance of methods
+- Improved performance of tensor indexing
+
 ## 0.3.7 (2020-09-22)
 
 - Improved performance
 - Added `Upsample`
 - Added support for passing tensor class to `type` method