Apple today released iOS 7.0.3 for iPhone, iPad and iPod Touch, a bug fix update with a build number of 11B511 for all devices. iOS 7.0.3 is available as an over-the-air update. It weighs in at 92.8MB on the iPhone 5s.

The update adds support for the iCloud Keychain service that was added in OS X Mavericks, as well a numerous bug fixes including a calibration issue with the iPhone 5s accelerometer.

This update contains improvements and bug fixes, including: - 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

- 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

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

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

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

- 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

The new Reduce Motion effect could assuage the concerns of many users who found the new parallax and other effects in iOS 7 to be visually unsettling. MacStories posted this video showing the new, more subtle cross-fade effect. Reduce Motion is accessible in Settings/General/Accessibility/Reduce Motion.

iOS 7.0.2 was released late last month with a build of 11B501.