Apple has released its first beta of iOS 9.3.3 to developers. You can grab it from Apple's iOS Developer Resource Center to begin checking out what is new in this release.

iOS 9

This release comes a few weeks Apple made iOS 9.3.2 officially available to everyone, and a week ahead of when it will likely reveal iOS 10 at its annual developer conference. It's unclear at this time exactly what these updates will bring, but they are likely to include a number of bug fixes.