Known Issues:

m4a recordings over 3 hours in length crash on OS X 10.5 with version of QuickTime prior to 7.4. Upgrade to QuickTime 7.4 or later recommended.
Per-app recording does not work on Mac OS X 10.7 Lion
Live Preview doesn't work on Mac OS X 10.7 Lion.

Changes:

Mute now works properly on Mac OS X 10.7 Lion. (#4109)
Live Preview is now disabled on Mac OS X 10.7 Lion because it doesn't work. (#3958)
Fixes a crash on Mac OS X 10.7 Lion at launch. (#4119)
Fixed a bug that caused Live Preview to sometimes not function. (#4126)
Scroll position and size was incorrect when recording was opened in the editor. (#4054)
Fixed a crash that could occur when scrubbing audio in the editor. (#4051)
Fixed a hang that could occur when a background encode is canceled. (#4010)
Fixed a bug that prevented a file from being exported as a QuickTime Movie more than once. (#4015)
Fixed a crash that occurred when deleting silence in the editor. (#3757)
Fixed Audio Unit reordering bug that resulted in Audio Units being removed. (#3955)
Fixed a crash that could occur when scrubbing high sample rate (>= 96kHz) files. (#3960)
Addressed a crash that could occur at the end of recording. (#3980)
Ringtones are now put in the iTunes library and are handled by iTunes.
Displayed waveform now follows playhead on new recordings. (#3938
Exports now indicate the correct file name. (#3855)
Fixed issue with audio units. (#3904 & 3095)
Fixed scrolling in editor. (#3906)
m4a files generated on 10.5 now properly play on 10.6 and iOS. (#2652)
Duration of mp3s in the library now matches what is shown in the editor. (#3514)
Fixed english localized strings file. (#3787)
Clicking stop always moves playhead back to the beginning of the recording. (#3788)
Audio settings in preferences no longer break when selecting 3GP. (#3791)
Addressed crash when encoding audio that has 2 tracks. (#3792)
Addressed bug that disabled quit menu item. (#3793)
Fixed bug that caused the controller and prefs to lose sync (#3800)
Addressed a crash that could occur when opening effects inspector. (#3622)
Fixed a race condition that could lead to a crash in the editor. (#3678)
Added work around for a crash that could occur when manipulating Apple's AUs. (#3723)
Now properly installs and repairs the WireTapScheduler daemon. (#3724)
Fixed small amount of "buzz" or garbage audio played at the end of a recording. (#3727)
Better zoom and scroll behavior in editor. (#3744 and #3745)
Popup menus in controller are no longer blank during recording. (#3747)
Fixed a crash that could occur during recording if trimming or splitting on silence. (3748)
"Heal" button now properly displayed for silenced regions. (#3750)
Silenced audio now drawn correctly when fade duration is zero. (#3751)
Text fields in Editor preference pane now immediately update. (#3752)
Controller now works correctly with Spaces. (#797)
Fixed a rare crash that could happen when doing a timed recording. (#2442)
Fixed a bug that caused memory leaks and 0k m4a files when exporting long m4a recordings. (#3347)
Can now delete first digit of pids. (#3568)
MP3 duration is now correct in the library. (#3522)
Fixed -2700 error when exporting to an iPod. (#3601)
Can now add shorcuts for local export desintations. (#3613)
Email exporter now exports properly when added as a shortcut. (#3615)
Finder can no longer be "Quit on Stop" in processing. (#3619)
Control point bubbles no longer get stuck on screen in Apple's AU views. (#3620)
WireTap Studio is now a drag n drop install.
Added menu items for selecting markers in the editor. (#3095)
Updated first time launch sequence. (#3071)
Updated application menu to comply with Ambrosia product standards. (#3063)
Added "New Folder" button to "Save to Folder" panel in the library. (#2982)
Can now specify the name of the file save to in the library when one item is selected. (#2982)
Command-period now works to stop a recording regardless of wether or not an editor is open. (#2768)
Editor view now syncs to playback immediately after opening a recording. (#2667)
Timed recordings with the main controller are now implemented as a paused recording. (#2525)
"Mute Mac Audio Sources" now also affects preprocessing time. (#1171)
Files must now be imported into the library to be opened. (#342)
Fixed a bug that could cause the controller window to disappear if it was moved fast enough. (#2767)
Fixed a bug that could cause a small amount of silence to appear at the beginning and end of non-lossless recordings. (#1302)
Option-clicking the "Live Preview" button in preferences now plays through without applyging format compression for less latency. (#2505)
Icons for selected sources now properly updates in the controller when a source application is quit. (#2435)
Selected sources in the controller remembers the last sources selected by the user regardless of the order applications are quit. (#2435)
Library now shows an alert sheet when unable to rename a recording because of a name collision. (#2274)
Preferences UI correctly updates it's enabled state when a recording stops as a result of unplugging a device. (#2413)
Now offers the user the option of repairing a damaged or improperly installed AmbrosiaAudioSupport.kext. (#865)
Added optional hotkey controls in the "Editor" tab of preferences for controlling editor playback. (#2807)
Normalization sliders are no longer broken after performing Save Selection As. (#2582)
Tags are now passed on to split files when splitting in the editor. (#1907)
More complete listing of processes when option-clicking an input source popup. (#2987)
Lossless original recordings are now CAF files for single source recordings. Multi-source lossless recordings remain QuickTime.
No longer takes HFS file type codes into consideration when determining if a file can be added to the library. This lead to some false positives. (#4375)
Splits now inherit the normalized volume correctly from the parent file. (#4514)

* Fixed iPhone ringtone issues being experienced with iTunes 9.2
* Improved functionality of Silence Removal
* Faster Variable Bit Rate encoding of your MP3s
* Addressed crash while editing a file as waveform was loading
* Numerous other fixes and enhancements

-- Updated some japanese resources.
-- Uninstaller now correctly quits WireTap Studio.
-- Fixed a leak.
-- Fixed a possible crash when opening mp3s.
-- Fixed sorting in the sessions window.
-- Changes made to address drifting over time when recording from multiple sources.
-- Now records audio playing to all output devices.
-- Includes latest AmbrosiaAudioSuport kext (3.2) that loads properly on 10.4 PPC systems.
-- Now correctly captures audio when QuickTime Player X is using a background process for QTKit playback.
-- Fixed IMA 4:1 Live Preview on OS X 10.6
-- Includes French localization that was inadvertantly removed from 1.0.12.
-- Improved synchronization between 2 different sources. Eliminates drifting over time.
-- No longer includes incomplete Xing header in short mp3s. These files cause QuickTime crashes.
-- Fixed "Save Selection As..."

This update brings Snow Leopard compatibility, amongst other fixes and improvements.

-- Updates AmbrosiaAudioSupport kernel extension to version 2.3.10 to address compatibility issues with OS X 10.5.7 that have USB audio devices plugged in.

-- Updates to latest version of LAME (3.98-2) for mp3 encoding

* Updated WireTap Studio to the latest version of LAME (3.98-2)
* Updated AmbrosiaAudioSupport library to improve compatibility with new Apple hardware and Mac OS X 10.5.7
* Snapz Pro X now offers improved reliability and flexibility when saving and converting video files

# AAC recording stability improved.
# LivePreview performance enhanced by fixing minor issues during playback.
# Editor playback issues fixed: playback needle tracks better, Pause button, "Save As" more intuitive, and file management issues all addressed.
# EQ functionality issues improved: fixed an issue where settings were lost during recording

-- Enhanced editor behaviors: more accurate meters, automatic selection of new markers, solved an issue exporting split files
-- Improved handling of large files: more robust behavior when files get too large or exceed available disk space
-- New recordings now always show up properly after creating or updating a library; fixed a bug that sometimes hid list of files
-- LivePreview now handles all file formats correctly; fixed a bug that caused occasional hangs when some formats were selected
-- iPhone export improved; fixed a crash that sometimes happened upon initial export

Changes/enhancements :

- Improved performance and more efficient memory usage.
- Custom hot keys for starting and stopping recording.
- Option-clicking source pop-ups now show hidden applications.
- Can now record from Java apps and other applications that have improperly coded bundle identifiers.
- Improved recording session performance.
- Support for scroll wheel and and Multi-Touch trackpad.
- Enhanced drag-n-drop capabilities.

- Fixed fade-ins.
- Fixed a crash when loading a waveform that was previously partially loaded.
- Fixed some problems with effects and mono output formats.
- Other fixes and enhancements.