FL Studio 12 totally reworks the user interface and adds exciting new features you have been asking for. Free beta and launch version access for FL Studio owners.
If you already own FL Studio the good news is you will get free access to the FL Studio 12 Beta and to FL Studio 12 release.

FEATURES & CHANGES

Fully reworked scalable interface
- Any screen size or resolution you use, FL Studio will always fit

Multi-touch
– Multi-touch capability extends to the Mixer.

Browser
– New category tabs and the ability to delete content on right-click

Channel Menu
- The Channel Options Menu have moved from the Toolbar Menus to the Channel rack.

Channel settings
- Have been integrated into the Plugin Wrapper (no more Channel settings pop-up).

Pattern Menu
- The Pattern Menu has moved from the Channel rack to the Toolbar Menu and Pattern Selector.

Piano roll
- Piano roll Auto-zoom can now be deselected from Settings > General > Auto zoom in piano roll

Playlist
- Multiple drag and drop for audio files onto Playlist (from a Windows file browser).

Stepsequencer
- Step sequences are now interchangeable with Piano rolls.

VST Plugins
- VST plugin installation & discovery improved and simplified.

Fruity Formula Controller
- Updated, new UI.

Fruity Envelope Controller
- Updated, 8 Articulators, Mod X/Y env, Smart Knobs, New UI.

Fruity Keyboard Controller
- Attack smoothing, new UI.

Link: https://www.image-line.com/flstudio/flstudio12.php