Gex is an iOS 14.7 jailbreak using CVE-2021-30807 IOMFB & CVE-2021-30860 exploit(s)
If you want to jailbreak 14.6, 14.7, 14.7.1, and 14.8 and you have an A12/A13 device use unc0ver v8.0.0 (for 14.8.1 and the other bionic chips wait for this .)
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Gex is an iOS 14.7 jailbreak using CVE-2021-30807 IOMFB & CVE-2021-30860 exploit(s)