Features

• drop unused self-referencing class & function (bddb5a0)
• handle Map, Set, WeakMap & WeakSet (f46209b)
• improve detection of unused assignment (9b8deff)
• improve compression on variable reassignment (10dd9d4)
• enable ESTree translation on all supported ECMAScript features (324587f, 97bd56b)
• support __PURE__ in ESTree translation (d576495)

Bug Fixes

• assignment operator (4cccc01)
• default parameter (c53af3d)
• export statement (80efaa2)
• for [await]...of loop (acf951a)
• function parameter (a1a212f)
• global constant property (3c161a6, c296a63)
• logical assignment operator (a06e203)
• yield keyword (a2b1b96)