Version 3.5:
New ID3 tag / iTunes metadata editor.
Apple Lossless, ADTS AAC, NeXT/Sun Audio, and Ogg Vorbis file formats added.
Chapters in AAC and Apple Lossless formats supported.
Playback scrolling preferences added.
MP3 bit rates now support 8, 16, and 24 kbps.
Loop option for filter previews.
AppleScript support added for referencing individual tracks in a document, and for changing the pan (left-center-right) and volume of each track.
BPM grid and a "Tap for BPM" button that lets you determine the tempo by clicking in rhythm with the beat.

Version 3.5.1:
Fixed a bug in "Split By Markers" where bad AAC (.m4a) files were being written, and fixed Cancel button functionality.
Fixed a bug where the "Podcast" flag was set when saving files.
Fixed crashing bug that affected the EQ filters.
Fixed bug with marker positions after Crop.
Fixed memory leak when closing documents via AppleScript.

Version 3.5.2:
iTunes Plus files can be opened.
Localizations updated.
Audio playback of a file stops when closing its window.
Pitch and Tempo filter's duration field more accurate.
Saving over an existing preset no longer closes filter dialog box.
Auto Start/Stop Recording now stops playback/recording before showing dialog box.

Version 3.5.3:
Customizable toolbar with new buttons, including rewind and fast forward.
New document window layout, with Leopard-style gradient window edges.
Faster and optimized window redraw.
New automator actions.
Fixed a bug with opening certain AAC (m4a) files.
Opened audio CD files are now properly closed.
Fixed CPU usage bug with open files.
Fixed missing localization resources.
Improved positioning of newly created windows.

Version 3.5.4:
Fixed a bug with maximized windows hanging the app.
Fixed a bug with opening AAC (m4a) files.
Fixed a bug with editing a file with one clip pasted multiple times.
Fixed a bug with Pitch and Tempo linked setting.
Fixed blocky waveform display.
Changed toolbar so it accepts first mouse click and refined its display.

Version 3.5.5:
Fully Compatible with Mac OS X 10.5 Leopard.
Adds a "Set Zoom to Default" menu item command.
Fixes a bug with default window size.
Fixes a bug with opening System 7 Sound files.
Fixes a bug with the AppleScript "change pitch" command.
Fixes a bug with changing the view box in the waveform overview.

Version 3.5.6:
Fixed bug with double Help menu.
Unicode marker name support in AIFF, AIFF-C, WAVE, and Sound Designer 2 formats.
Updated Japanese localization resources.

Version 3.5.7:
Fixed Automator and Applescript issues
Updated Monbot – Bookend Audio to correct an Applescript error in OS X 10.5