Update README.md

README.md

@@ -2,6 +2,8 @@ Current Status: Bug Fixing
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 As we are fixing bugs use the development branch: https://github.com/ErikZalm/Marlin/tree/Development
 
+What bugs are we working on: https://github.com/ErikZalm/Marlin/issues/1220
+
 Developer Notes
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