Instant On has been updated to version 5.0.2, with full support for capturing audio from sandboxed applications from the Mac App Store and other sources. This update also fixes a potential conflict with Qt-based applications, including Sibelius.

A regression which affected audio capture from older versions of Skype (specifically, Skype 2.x) has been corrected.

The LAME MP3 recording engine has been updated to 3.98.4.

A bug where Audio Hijack Pro could inadvertently create hundreds of files on long recordings has been corrected.

Audio Hijack Pro's auto-split settings have been reverted to those used in 2.10.0 and before. Specifically, recordings are automatically split if they reach 2 GB in size or 24 hours in length.

Many bug fixes have been applied to the hijacker.

Instant On has been updated to version 5.0.1, with full support for capturing audio from sandboxed applications from the Mac App Store and other sources. This update also fixes a very rare startup issue.

Audio Hijack Pro can now capture all System Audio, as well as grab audio from already-running applications, on Mac OS X 10.7 (Lion). This is accomplished with Instant On 4.1, which can be installed through the "Install Extras" window, under the Audio Hijack Pro menu.
Specific improvements have been made for capturing audio from Spotify and QuickTime Player
AppleScripts which are triggered when a recording finishes now run on their own thread instead of in their own process. Script users should test their scripts to ensure they still function as expected.
An incompatibility with Google Talk has been fixed.
A bug where the VoiceOver effect would produce silence on Lion when the buffer was set to "Low" has been corrected.
Sessions now correctly remember if they were set to use the "Multi-Process" hijacker.

Additional preliminary bug fixes for Mac OS X 10.7 (Lion) have been made. Full Lion support is still forthcoming.
AppleScripts are now run on background threads. Users with custom AppleScripts should test them to ensure they still function as expected.
Audio Hijack Pro no longer incorrectly attempts to load iTea plugins.

- With Instant On installed, Audio Hijack Pro no longer requires relaunching Safari in 32-bit mode to capture audio.
- Audio Hijack Pro can now capture audio from Google Chrome and Firefox 4 with no additional setup needed.
- Audio Hijack Pro now supports recording to the WAV audio format.
- The Instant On component has been updated to version 3.0.2, to fix a rare crashing bug.
- Some preliminary bug fixes for Mac OS X 10.7 (Lion) have been made. Full Lion support is still forthcoming.
- Many small bugs have also been fixed.

* An issue where the Instant On component could fail to install properly has been fixed. If you receive a notice of an update to Instant On, be sure to install it.
* A bug where effects were not applied to local playback of System Audio has been corrected.

* Audio Hijack Pro now requires Mac OS X 10.6.
* The updated Instant On component works better than ever to capture audio from running applications, as well as all System Audio.
* The Install Extras window has been improved for easier use.
* A bug affecting recording from many headsets has been fixed. This will result in improved recording from Logitech headsets and Blue Snowball microphones.
* A bug where recording AAC files could hang on completion has been fixed.
* Recording no longer prevents displays from sleeping.
* A bug where timers would attempt to fire even if their date had passed has been fixed.

An issue affecting hijacking from both Skype 2.8 and Skype 5 has been corrected. Audio Hijack Pro is now once again full compatible with all versions of Skype.

Audio Hijack Pro has been improved for full compatibility with Skype 5.

* The Instant Hijack component has been updated to 2.2.7, which fixes several small bugs.
* The LAME MP3 recording engine has been updated to 3.98.4.
* The VoiceOver plugin now defaults to a lower buffer size, for reduced latency.
* A bug where deleting a session which was recording could cause a crash has been corrected.
* A bug with the Minimize to Menubar Record option has been corrected.
* A bug where HotKeys failed if they included the 'A' key (yes, really) has been corrected.

* The Instant Hijack component has been updated to 2.2.5, which fixes a rare incompatibility with Adobe Version Cue.
* The Recording Bin now calculates file durations more precisely.
* The 'Add To iTunes as Bookmarkable' script has been made more robust.

* The Instant Hijack component, used to capture audio from already-running applications, has been updated to 2.2.3 to fix a crash with quicklookd that could occur on some machines running Mac OS X 10.6 (Snow Leopard).
* An error that would appear when an empty file was recorded has been corrected.
* A false 'waiting for sample rate' error that could be thrown has been corrected.

* The Instant Hijack component, used to capture audio from already-running applications, has been updated to 2.2.2 to fix an extremely rare crash.
* A bizarre bug causing licenses keys containing the sequence "2222" to be rejected has been fixed.
* An NSRangeException on Mac OS X 10.6 preventing the deletion of a session has been corrected.
* A bug where the Add to iTunes as Bookmarkable script might run perpetually has been fixed.

* Audio Hijack Pro is now fully compatible with Mac OS X 10.6 (Snow Leopard).
* Audio Hijack Pro now uses Instant Hijack 2.2.1 to capture audio from already-running applications.
* The Soundflower Extra, used to power System Audio capture, has been updated to version 1.5.1.
* Software update check now sends the processor architecture to the server.

* Audio Hijack Pro now uses Instant Hijack 2.1.2
* Audio Hijack Pro can now hijack the same application in multiple sessions simultaneously.
* A bug which could cause AAC recordings not to start has been fixed.
* The "Add to iTunes" script has now been cured of all known failures.
* An issue with non-functioning Quick Record hot keys has been corrected.
* The Recording Bin's Inspector is now better about saving changes.
* On Mac OS X 10.4, Audio Hijack Pro now installs the latest compatible version of Soundflower, 1.3.1.

* Audio Hijack Pro now uses Instant Hijack 2.1.1, fixing a crashing bug with 64-bit processes.
* Extras: Older versions of the Soundflower Extra are now properly handled.
* Recording Bin: A bug where the Inspector would incorrectly report bitrates has been fixed.
* Hijacker: A bug where applications without bundle IDs would not hijack has been fixed.
* Performance: A bug where a large amount of timers would cause AHP to launch slowly has been fixed.
* Interface: Several small tweaks for better VoiceOver support have been made.
* Interface: Hotkeys now affect the Quick Record area only, instead of creating new sessions.
* Interface: Many non-urgent errors are now reported in non-modal windows.

* Improved and polished user interface, including a global status LCD and updated Recording Bin with file inspector
* ID3 tags for recordings can now be edited in the Recording Bin, using the Inspector
* Fixes a bug introduced in Mac OS X 10.5.6, which could cause a crash with the Recording Bin
* Now includes Soundflower 1.4.2, for grabbing System Audio
* The Artwork tag is now supported, for adding art to recordings
* Timers: Now support scripts for post-processing
* Recording: Now uses the LAME 3.9.8-2 MP3 encoding engine for recording MP3s
* Hijacker: Better compatability with several applications (more Auto-MegaMixing)
* AppleScript: Using scripts with Audio Hijack Pro that use the 'do shell script' command now behave as expected
* Many small bugs fixed and memory leaks removed.

- Includes Instant Hijack 2.1, with full 64-bit support.
- Effects now play through in MegaMix mode.
- Now using LAME 3.9b8
◊ Fixed a bug where audio could skip under heavy CPU load
◊ Several other minor bug fixes.

Updated Instant Hijack to 2.0.3 - fixes a crash in ssh and related commands when using Mac OS X 10.5 (Leopard) with Apple Security Update 2008-002

- Full support for Mac OS X 10.5 (Leopard), including Instant Hijack support
- Now featuring Instant Hijack 2, with Leopard support, MultiHijack, and more
- Now includes Soundflower 1.3 update for capturing System Audio, now featuring volume controls
◊ Additional ID3 tags supported (Grouping, Composer, Album Artist, Track Count, Disc Count, Disc, BPM, Compilation)
◊ AAC and MP3 Bookmarkable recording options are now found "Add to iTunes as Bookmarkable" post-processing script
◊ Many other minor updates and bug fixes

◊ Improved the reliability of hijacking emulated (Rosetta) applications
◊ Fixed a bug where post-processing scripts would sometimes not run for AAC files