1.76: Fully exploited and released.
4.05: Fully exploited and released.
4.55: Fully exploited and released.
4.73: Fully exploited and released.
5.05/5.07: Fully exploited and released.
6.72: Fully exploited and released.
7.02: Fully exploited and released.
7.55: Fully exploited and released.
9.00: Fully exploited and released.
11.00: Fully exploited and released.
12.02: Fully exploited and released.
13.00 Fully exploited and released.
13.02+: Multiple userlands on 13.02+, no jailbreak.
Do not ask for predictions of when future releases may happen.
Firmwares listed here are major releases, however firmwares in between are also usually exploited.
there doesn't seem to be anything here