<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Hopefully saving someone else’s afternoon… 3.0.2 introduced a memory leak in Hash#transform_keys! ( <a href="https://bugs.ruby-lang.org/issues/18065">https://bugs.ruby-lang.org/issues/18065</a> ). <div><br></div><div>This gets used all over the place in rails (symbolize_keys! uses it for example) so hard to avoid tripping over this in a rails app if you are on 3.0.2</div><div><br></div><div>Fred</div></body></html>