This might be what you're referring to: From https://developer.apple.com/security-bounty/payouts/ https://developer.apple.com/security-bounty/payouts/ "Issues

This might be what you're referring to: From https://developer.apple.com/security-bounty/payouts/ https://developer.apple.com/security-bounty/payouts/ "Issues that are unique to designated developer or public betas, including regressions, can result in a 50% additional bonus if the issues were previously unknown to Apple."