BLACK KITTEN

But, It's only with cloudflare captcha hcaptcha and recaptcha can be solved as usual. cloudflare captcha relays on browser fingerprinting .but cloudflare says it's privacy friendly.

On the other hand ivpn added openvpn and ikev2 support to WireGuard only servers

I only encountered this on Firefox based browsers and brave browser with other browsers captcha solves after a while.The reason could be those browsers blocks many trackers by default and cloudfalre don't like that