The new version differs by 18 commits.
6b4886c v3.6.30201cb4 fix corner case in unused (#3499)cd07231 fix corner case in unused (#3496)0785a15 fix corner case in dead_code & ie8 (#3494)b1279a4 fix corner case in sequences (#3491)b571619 handle throw of non-Errors gracefully (#3492)7b5350b tweak Travis CI execution environment (#3489)1549db7 fix corner case in ie8 (#3487)8ff9a3c fix corner cases in ie8 (#3485)91cae51 fix corner case in evaluate & ie8 (#3483)8af2f5f fix corner case in rename (#3481)86a8016 fix corner case in ie8 & mangle (#3479)009dcda avoid mangling of MutationObserver properties (#3477)f86f615 fix corner case in ie8 & mangle (#3476)d3d1d11 fix corner case in ie8 & rename (#3474)There are 18 commits in total.
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