D8.jar ((top)) Download -

Google packages D8 alongside R8 (the shrinking and optimization tool). The compilation functionality remains identical.

| Feature | DX | D8 | R8 | |---------|-----|-----|-----| | | DEX compilation only | DEX compiler with desugaring | Full code shrinking + DEX compilation | | Desugaring | Separate step | Built-in | Built-in | | Code Shrinking | Requires ProGuard | N/A | Built-in (replaces ProGuard) | | Java 8 Support | No | Yes | Yes | | Build Speed | Baseline | 30% faster than DX | Optimized | | Output Size | Larger | Smaller | Smallest | | Default in Android Studio | Before 3.1 | Since 3.1 | Since 3.3 | d8.jar download