Update CHANGELOG for v1.2.1

nfbot · nfbot · commit 47436a7afdea · 2019-06-11T13:22:23.000Z
***NO_CI***
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -6,6 +6,7 @@
 
 **Implemented enhancements:**
 
+- Fix debugger attributes [\#75](https://github.com/nanoframework/lib-CoreLibrary/pull/75)
 - Several fixes throughout the code base [\#74](https://github.com/nanoframework/lib-CoreLibrary/pull/74)
 - Remove CultureInfo unused field [\#72](https://github.com/nanoframework/lib-CoreLibrary/pull/72)
 
