uglify-js 3.15.0 on Node.js Yarn

improve compress performance (7fe7c39, 509896a)
inline non-trivial function calls (ba42cba, 343bf6d, 29a1e71, e1013bd, 835d130, d51caaf, 87a7426, aa6eb0d, f7841bc, 7889192, 1a054e8, dec359c, 3a3666a, d46eb69, 9aab1f3, c7d2837, f8602ac, ff3c2ed, dfd6418, 43807c2, efed55f)
improve compression of compound expressions (7b2eb4b, bab4164, b46c794)
trim non-trivial assignment values (e7ce105)
improve value expansion of local variables (8d0422b)
reduce output entropy of mangle (2f568b9)
improve compression of compound assignments (10a1523, be8c75b, b0df5d7, f473b4d)
eliminate unused symbols from import statements (9a58270)
improve compression of spread syntax (8c2b76e)
preserve function argument names via --keep-fargs (e24b255, 866cd4a)

async function (d96c59f)
await operator (b636e97)
class literal (e9d9d5a, 87e8aca)
destructuring syntax (9e927ec, b9b2a4f)
default parameter (e7ce105)
lexical declaration (80d5f23, c94624f)
new operator (86406e7)
optional chaining operator (14e1311)
typeof operator (f639a30, 35d7f31)
var statement (58bea67)

uglify-js 3.15.0 v3.15.0 on Node.js Yarn