All 6 BFS issues resolved. Email sent to Shopify (Kevin A) requesting re-review. 4.5.3 screencast from Raul (https://youtu.be/Eb4MSCs6M5U), Glenn's Spanish language screencast attached separately. Widget setup instructions included for 5.1.2. Slack #rc-built-for-shopify updated with final tracker. Awaiting Shopify re-review.