2.9.1-rc2 (2015-12-22) Bug Fixes Abort in the presence of invalid config (767c47d) Allow ignoring W020 and W021 (46db923), closes #2761 Correct unused for function-scoped vars (91fa9fc) Disallow ambiguous configuration values (eb54a4c) Do not disable ES6 when moz is set (97dfd90) Don't throw '(NaN% scanned)' (903b698)