> For the complete documentation index, see [llms.txt](https://changelog.usetoggle.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://changelog.usetoggle.com/21-07-2026-mandatory-reply-to-fields.md).

# 21/07/2026 - Mandatory Reply-to fields

🧑🏻‍💻 Russ