Create heavy-books-mate.md

Feiyang1 · web-flow · commit d5954b52ef3f · 2021-09-23T16:00:49.000-07:00
diff --git a/.changeset/heavy-books-mate.md b/.changeset/heavy-books-mate.md
@@ -0,0 +1,7 @@
+---
+"@firebase/logger": minor
+"@firebase/util": minor
+"@firebase/webchannel-wrapper": minor
+---
+
+Use esm2017 builds by default
