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# Android Studio v1.5.1 (December 2015)

Fixes and enhancements:

- Fixed a rendering failure issue in the Layout Editor. [Issue: 194612](http://b.android.com/194612)
- Added the ability to vary `description` manifest attributes by configuration. [Issue: 194705](http://b.android.com/194705)
- Improved the contrast of the Android Studio Darcula appearance theme in Vector Asset Studio. [Issue: 191819](http://b.android.com/191819)
- Added *Help* button support to Vector Asset Studio.
- Added support for the `%` operator for data binding. [Issue: 194045](http://b.android.com/194045)
- Fixed a case where launching an app for debugging resulted in the debugger connecting to the wrong device. [Issue: 195167](http://b.android.com/195167)
- Fixed a null pointer exception that could occur when attempting to run an app in certain scenarios.

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