Ios 7.0.3 releases the main features are,

-Fixes an issue that could cause VoiceOver input to be too sensitive.

-Updates the Bold Text setting to also change dial pad text.

-Fixes an issue that could cause supervised devices to become un-supervised when updating software.

-Fixes a bug that could allow someone to bypass the Lock screen passcode.

-Enhances the Reduce Motion setting to minimize both motion and animation.

-Adds iCloud Keychain to keep track of your account names, passwords, and credit card numbers across all your approved devices.

-Adds Password Generator so Safari can suggest unique, hard-to-guess passwords for your online accounts.

-Updates lock screen to delay display of "slide to unlock" when Touch ID is in use.

-Addresses an issue that could cause Siri and VoiceOver to use a lower quality voice.

  -Adds back the ability to search the web and Wikipedia from Spotlight search.

-Fixes an issue where iMessage failed to send for some users.

-Fixes a bug that could prevent iMessage from activating.

-Improves system stability when using iWork apps.

-Fixes an accelerometer calibration issue.