Unfortunately, we made a deployment on September 13th, 2024, at approximately 4:20 pm EST, which prevented comment replies. We understand the importance of comment reply deliverability. As the next steps, our team is improving our comment reply deliverability as a whole, which will prevent this going forward, in addition to various other improvements. We apologize for any inconvenience this caused and remain committed to keeping our comment reply deliverability as high as Meta APIs allow.