http://support.apple.com/en-us/HT203718
This is just part of the list of changes, this is a very big update:
New Features
10 new Drummers that produce beats in a variety of electronic and hip hop styles including Techno, House, Trap, Dubstep and more
Drummer provides specialized sound and performance controls for dialing in electronic or hip hop drum grooves
New Drum Machine Designer plug-in for customizing electronic drum kits
Redesigned Compressor plug-in features scalable, Retina-ready interface and 7 models including the new Classic VCA
Retro Synth can now create wavetables from imported audio and is able to stack up to 8 voices
Note Repeat and Spot Erase modes allow classic drum machine style techniques for creating beats in realtime
Automation can now be part of a region, not just the track
Relative and Trim Automation modes extend the options for fine-tuning existing automation
Manage large-scale mixes more easily with the addition of console-style VCA faders in the mixer
Mixer now allows remote control of microphone and other input settings for compatible audio interfaces
Realtime rendering of fades allow them to work with Flex Pitch and speeds up project load times
The Plug-in Manager now allows you to customize the organization of your menu
Support for Mail Drop and AirDrop in OS X Yosemite makes it even easier to share your Logic projects
Expanded sound library includes over 200 new synth patches and 10 Mellotron instruments
The Piano Roll editor now features a Brush tool for creating or deleting a sequence of notes with single mouse gestures
Smart Quantize proportionally corrects the timing and length of notes to preserve the musicality of your original performance
Track Stacks can now be disclosed/undisclosed directly in the Mixer independently of the Tracks area
New Collapse view option in the Piano Roll Editor lets you see more notes in less vertical space
It's now possible to create more than one Drummer track per song
It's now possible to copy and paste voices between different instances of Ultrabeat
There's a new option in the Drummer Editor action menu that allows you to change the drummer without also changing the drum kit
Alternatives can now be exported as fully independent projects
There's now a button in the Main window to automatically set the vertical zoom to the optimal resolution to maximize track height while keeping all tracks visible
A new Region parameter allows the playback speed of Apple Loops to be altered from â…› to 8x the original speed
Command-clicking an enabled mute or solo button un-mutes or un-solos all channels if no track is muted or soloed, and command-clicking a mute or solo button mutes or solos all tracks
There's now a Kill/Recall Solo button in the track header area that toggles the solo state of all currently soloed tracks
The Reset Channel Strip command now works for multiple selected channel strips in the Mixer
Logic now supports the Bravura score font
There's a new key command for enabling/disabling the Flex or Follow Tempo Region parameter
Logic can now import multichannel interleaved audio files and convert them to individual mono files
When bouncing a project, the default name for the bounced file is now the project name
The Piano Roll now includes an option to display drum names instead of note names when working with Drummer tracks, EXS drum kits or Ultrabeat tracks
Time Handles in the Piano Roll allow time stretching/compression on selected notes
It's now possible to adjust the position and borders of regions in the Piano Roll time line
Undo is now available in the Notepad
Undo is now available for Score Set edits
A single click now inserts an EQ into the EQ slot of a channel strip
Logic now supports 50, 5994d, 5994, 60 d and 60 fps frame rates
There's now a Track Protect button for the Movie track
The Repeat Regions/Events key command now duplicates the currently selected region or event without opening a dialog window (the previous behavior for this command is accessed with the new key command Repeat Regions/Events Multiple Times)
Smart Controls mapped to plug-in parameters are now dimmed when the plug-in is bypassed
User created Groove Templates are now available from the Time Quantize menu in the Piano Roll
When dragging objects, the Tooltip now shows both the bar/beat and time position
The Beat Mapping track now offers a Protect Flex Markers option in the Beat Mapping drop-down menu
The Copy command now copies selected markers in the Marker List window as text
When multiple closed Track Stack regions are glued together, Logic now maintains the individual tracks within the stack
The Convert to New Sampler Track sheet includes a new option for creating "˜1 Shot' Zones
Auto backups of Logic projects are now directly accessible from the Quick Looks view
It's now possible to specify up to 100 automatic backups per alternative in a project
Dragging a movie in the Movie Track now moves in increments of one frame and the Option key can be used to position it in smaller increments
When Logic extracts audio from a movie file, it now creates a time-stamped Broadcast Wave file
When a movie is added that is longer than the current project, the project is now automatically lengthened to accommodate it
A region with movie audio sync can now be defined for a movie file
When exporting audio to a movie, Logic now uses the project sample rate
When exporting audio to a movie, the length of the selected regions now determines the overall length of the newly created movie
The contents of the Bounces folder is now excluded when Cleanup Project is used on a folder project
The Clean Up Project dialog now shows the dates previous operations were performed
This is just part of the list of changes, this is a very big update:
New Features
10 new Drummers that produce beats in a variety of electronic and hip hop styles including Techno, House, Trap, Dubstep and more
Drummer provides specialized sound and performance controls for dialing in electronic or hip hop drum grooves
New Drum Machine Designer plug-in for customizing electronic drum kits
Redesigned Compressor plug-in features scalable, Retina-ready interface and 7 models including the new Classic VCA
Retro Synth can now create wavetables from imported audio and is able to stack up to 8 voices
Note Repeat and Spot Erase modes allow classic drum machine style techniques for creating beats in realtime
Automation can now be part of a region, not just the track
Relative and Trim Automation modes extend the options for fine-tuning existing automation
Manage large-scale mixes more easily with the addition of console-style VCA faders in the mixer
Mixer now allows remote control of microphone and other input settings for compatible audio interfaces
Realtime rendering of fades allow them to work with Flex Pitch and speeds up project load times
The Plug-in Manager now allows you to customize the organization of your menu
Support for Mail Drop and AirDrop in OS X Yosemite makes it even easier to share your Logic projects
Expanded sound library includes over 200 new synth patches and 10 Mellotron instruments
The Piano Roll editor now features a Brush tool for creating or deleting a sequence of notes with single mouse gestures
Smart Quantize proportionally corrects the timing and length of notes to preserve the musicality of your original performance
Track Stacks can now be disclosed/undisclosed directly in the Mixer independently of the Tracks area
New Collapse view option in the Piano Roll Editor lets you see more notes in less vertical space
It's now possible to create more than one Drummer track per song
It's now possible to copy and paste voices between different instances of Ultrabeat
There's a new option in the Drummer Editor action menu that allows you to change the drummer without also changing the drum kit
Alternatives can now be exported as fully independent projects
There's now a button in the Main window to automatically set the vertical zoom to the optimal resolution to maximize track height while keeping all tracks visible
A new Region parameter allows the playback speed of Apple Loops to be altered from â…› to 8x the original speed
Command-clicking an enabled mute or solo button un-mutes or un-solos all channels if no track is muted or soloed, and command-clicking a mute or solo button mutes or solos all tracks
There's now a Kill/Recall Solo button in the track header area that toggles the solo state of all currently soloed tracks
The Reset Channel Strip command now works for multiple selected channel strips in the Mixer
Logic now supports the Bravura score font
There's a new key command for enabling/disabling the Flex or Follow Tempo Region parameter
Logic can now import multichannel interleaved audio files and convert them to individual mono files
When bouncing a project, the default name for the bounced file is now the project name
The Piano Roll now includes an option to display drum names instead of note names when working with Drummer tracks, EXS drum kits or Ultrabeat tracks
Time Handles in the Piano Roll allow time stretching/compression on selected notes
It's now possible to adjust the position and borders of regions in the Piano Roll time line
Undo is now available in the Notepad
Undo is now available for Score Set edits
A single click now inserts an EQ into the EQ slot of a channel strip
Logic now supports 50, 5994d, 5994, 60 d and 60 fps frame rates
There's now a Track Protect button for the Movie track
The Repeat Regions/Events key command now duplicates the currently selected region or event without opening a dialog window (the previous behavior for this command is accessed with the new key command Repeat Regions/Events Multiple Times)
Smart Controls mapped to plug-in parameters are now dimmed when the plug-in is bypassed
User created Groove Templates are now available from the Time Quantize menu in the Piano Roll
When dragging objects, the Tooltip now shows both the bar/beat and time position
The Beat Mapping track now offers a Protect Flex Markers option in the Beat Mapping drop-down menu
The Copy command now copies selected markers in the Marker List window as text
When multiple closed Track Stack regions are glued together, Logic now maintains the individual tracks within the stack
The Convert to New Sampler Track sheet includes a new option for creating "˜1 Shot' Zones
Auto backups of Logic projects are now directly accessible from the Quick Looks view
It's now possible to specify up to 100 automatic backups per alternative in a project
Dragging a movie in the Movie Track now moves in increments of one frame and the Option key can be used to position it in smaller increments
When Logic extracts audio from a movie file, it now creates a time-stamped Broadcast Wave file
When a movie is added that is longer than the current project, the project is now automatically lengthened to accommodate it
A region with movie audio sync can now be defined for a movie file
When exporting audio to a movie, Logic now uses the project sample rate
When exporting audio to a movie, the length of the selected regions now determines the overall length of the newly created movie
The contents of the Bounces folder is now excluded when Cleanup Project is used on a folder project
The Clean Up Project dialog now shows the dates previous operations were performed
