Today Apple released iOS 10.3 to the public, as always Apple released information on vulnerabilities it patched in an iOS update and we have found that there were 10 kernel vulnerabilities patched plus numerous other vulnerabilities patched. 

For jailbreaking these kernel vulnerabilities can prove useful which is why it is always recommended users stay on the oldest firmware possible. 

If you are currently on an older firmware it is also recommended that you save your shsh2 blobs which you can do following this guide

To see the full list of fixes implemented in iOS 10.3 click here