61581 Give better error message for describeEnum (a: error message, cla: yes, f: inspector, framework, waiting for tree to go green)

61582 Remote returns for function expression inferred return type void. (cla: yes, framework, tool, waiting for tree to go green)

61585  Show device diagnostic messages in doctor (cla: yes, t: flutter doctor, team, tool, waiting for tree to go green)

61587 Find the target platform more accurately on the web. (cla: yes, framework, waiting for tree to go green)

61593 remove flutter update-packages from tools-tests (cla: yes, tool, waiting for tree to go green)

61621 cleanup macrobenchmark duplicate files (cla: yes, team)