unwrapped Android M at its I/O developer conference Thursday, detailing a ton of new features designed to make the operating system more useful secure.

The presentation, which focused on app permissions, Android y, developer tools, wrapped up with a giant letter “M” filled with all the new features.

Here’s the list:

• Android y
• Easy word selection
• Floating clipboard toolbar
• rk contacts in personal contexts
• Hotspot 2.0 R1
• V apps in settings
• Flex storage
• Duplex printing
• App stby
• Seamless certificate installation for enterprise
• Undo/redo keyboard shortcuts
• Do not disturb automatic rules
• Data usage A for work profiles
• Material Design support library
• Bluetooth SA/li>
• Voice interaction service
• B Type C charging
• App link verification
• Battery historian v2BT 4.2
• Simplified volume controls
• IMproved bluetooth low energy scanning
• Doze
• Text selection actions
• Improved text hyphenation justification
• Improved diagnostics
• IT admin acceptance of OTAs
• Now on tap
• Chrome custom tabs
• Auto backup for apps
• Unified app settings view
• UI toolkit
• Contextual assist framework
• Enterprise factory reset protection
• Direct Share
• Corporate owned single use device support
• Do not disturb quick setting repeat caller prioritization
• Improved trusted face reliability
• Improved text layout 
• Fingerprint sensor formance support
• phabetic app list with search
• Unified new runtime settings permissions
• rk status notification
• MIDI support 5GHz
• rtable -Fi hot-spot Bluetooth connectivity for device provisioning
• Seven additional languages
• wer improvements in Fi scanning
• Data binding support library
• Beta setup wizard
• IMAsign-in
• Delegated certificate installation