Formspree has always taken the philosophy of maintaining backwards compatibility. Yet sometimes that can come back to harm us. In this case, it was a weird bug related to our introduction of reCAPTCHA pages. Our users were delighted about the introduction of reCAPTCHA, providing them with the most advanced protection on the web for forms.

However, a few weeks later, we got an email from a customer confused why they received a form confirmation from<redacted>. When we tried to reproduce the bug on their site we were unable to do so. After a while we decided it must have…

Rohit Datta

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