Release v6.7.0 · babel/babel6.7.0 (2016-03-08) Notable changes: Various async function fixes (const read-only error, wrong this, etc) Proper sourcemaps for import/export statements Moved internal Babel cache out of the AST New Feature babel-traverse #3393 Move NodePath cache out of the AST. (@amasad) Move cache into a clearable WeakMap, adds traverse.clearCache and traverse.copyCache. This doubles as a bug fix because previo
