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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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