Comment by aaronmdjones
Comment by aaronmdjones a day ago
This isn't Google's doing but Mozilla's. Firefox's strict tracking protection blocks third-party cookies. The site you're trying to visit isn't hosting reCAPTCHA itself; reCAPTCHA was loaded from a third-party origin (Google); so the cookie that Google sets saying you passed the CAPTCHA is blocked by Firefox.
You can add an exception in Firefox's settings to allow third-party cookies for CAPTCHAs. Google's reCAPTCHA cookie is set by "recaptcha.net", and CloudFlare's CAPTCHA has exactly the same problem, whose domain is "challenges.cloudflare.com".
If the cookies aren't set and passed back, then they can't know that you've solved it, so you get another one.
You're blaming Mozilla because they fixed a security vulnerability, and then saying that the workaround is to reenable the vulnerability so that Google can continue surveilling.