update changelog

2020-06-17 11:17:57 +02:00 · 2020-06-17 11:17:57 +02:00 · 1b892aa9b1
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -1,3 +1,7 @@
+0.4.0 / 2020-06-17
+==================
+* support for browser ('browser' in package.json)
+
 0.3.0 / 2020-02-28
 ==================
 * Add XHRResponse.headers