The most current jailbreak tools available to the public today are Taurine and unc0ver, each of which are capable of jailbreaking devices running up to and including iOS or iPadOS 14.3. Several iPhone and iPad software updates later, and we’re currently residing at iOS & iPadOS 14.7.1 with a public iOS & iPadOS 15 release looming just over the horizon.
Having said that, the elephant in the room would be the blazingly-obvious question: where are all the jailbreak-viable exploits for iOS 14.4 and later?