Don't Expect an Instant iOS 10.3.3 Jailbreak
At this stage, we don't expect jailbreak developers to come through with a public iOS 10.3.3 jailbreak tool on release day.
Jailbreak developers usually keep their cards close to their chest but more often than not we see a proof of concept video or image emerge ahead of a public release.
While we've seen some progress, developers have teased iOS 10.3.1 and iOS 10.3.2 jailbreaks, we haven't seen anything emerge for iOS 10.3.3, at least not yet.
This doesn't rule out an iOS 10.3.3 jailbreak out but it certainly doesn't inspire any confidence as we push toward the iOS 11 release.
Even if we do see a tool released for iOS 10.3.3 down the road, we'd expect it to be limited to newer devices, just like the iOS 10.2 jailbreak for iPhone and iPad.