Re-enable CODE_IMPROVEMENTS switch
Problems with the conformance tests have been fixed, thus we can re-enable the switch. See #1355 (closed) and !2132 (merged).
Fixes #1355 (closed).
Problems with the conformance tests have been fixed, thus we can re-enable the switch. See #1355 (closed) and !2132 (merged).
Fixes #1355 (closed).