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