Licence: Shareware ($25)
Version 4.7.5 | Release Date: 2012-12-26 | Download

Airfoil 4.7.5
Released on 12/26/12
Airfoil now properly restricts its search to the LAN, preventing possible issues with Back to my Mac and iCloud.

An issue where Airfoil Video Player could fail to open a DVD has been corrected.

A rare hang which could occur when an audio source spawned too many non-audio subprocesses has been fixed.

Airfoil will no longer crash if the Transmit button is pressed exactly as an output disappears.

Some small improvements for Retina displays have been made, including the app icon and About Box. A full Retina update is still to come.

Several other small bugs have been fixed.

Airfoil 4.7.4
Released on 10/2/12
Airfoil now has full support for Airfoil Speakers for Android.

A crash which could occur when selecting "Show Airfoil Only in the Menu Bar" in Preferences has been fixed.

Airfoil Speakers has been updated for improved support in receiving audio sent by Apple TVs running version 5.1 or higher.

Software updates have been improved, with automatic downloads and install on quit, based on a newer version of Sparkle.

Several other small bug fixes have been made.

Airfoil 4.7.3
Released on 9/24/12
Airfoil Speakers now has full support for receiving audio from iOS 6, including metadata support.

An Airfoil Video Player crash on Mac OS X 10.8.2 has been fixed.

The Instant On component has been updated to version 6.0.2, fixing several small issues.

An issue which caused a discolored stripe at the bottom of Airfoil's main window has been fixed.

Airfoil now has an improved software update process, with automatic downloads and install on quit (based off a newer version of Sparkle).

Audio from the WebKit application can now be captured on Mac OS X 10.8.

The Welcome Windows for Airfoil, Airfoil Speakers, and Airfoil Video Player have been removed and replaced with manual pages.

Airfoil Video Player now provides a more informative error when the computer is missing a DVD drive.

Several other small bug fixes have been made.

Good on you for reading the release notes!

Version 4.7.2 | Release Date: 2012-07-30 | Download
  • Audio capture of Safari, QuickTime Player, FaceTime, and Messages is now possible on Mac OS X 10.8 (Mountain Lion) without requiring the Instant On component.
  • An issue where volume control for some third-party AirPlay hardware was not working as expected has been fixed.
  • The Instant On component has been updated to version 6.0.1, which fixes several small issues. The update comes in addition to Instant On 6.0, which including improvements to System Audio capture and support for Mac OS X 10.8.
  • Several fixes for Retina MacBooks Pro have been made, including enabling Netflix's full-screen mode to work.
  • The Factory Reset functionality has been corrected to work properly on Mountain Lion.
  • Airfoil Video Player's "Enter Full Screen" menu item has been corrected to work properly on Mac OS X 10.7 (Lion).
  • Applications are now prevented from incorrectly appearing twice in the Source list.
  • The obsolete "Advanced Source Settings" menu item has been removed.
  • The Welcome Window size on Retina machines has been corrected.
  • Airfoil and Airfoil Speakers are now signed as part of Apple's Developer ID program, for compatibility with Gatekeeper.
  • To avoid triggering a scary warning on Mac OS X 10.8, the support form no longer helpfully auto-fills user information based on the Me card.
  • Several other small bug fixes have been made.
Version 4.5.5 | Release Date: 2011-08-05 | Download
  • A severe crashing issue caused by a bug in Mac OS X 10.7 (Lion) has been worked around. This should prevent crashes on Lion.
  • Pulling audio from QuickTime Player and QuickTime-based sources now works correctly on Lion.
  • Airfoil Video Player now uses Perian v1.2.3.
  • Instant On on Mac OS X 10.6 has been updated to version 3.1, to fix an incompatibility with Google Talk. Lion support for Instant On is still pending.
  • DVD support in Airfoil Video Player is now properly disabled on Lion, pending further updates.
  • A rare crashing bug with hidden menubars has been corrected.
  • MuseController is now supported as a remote control source, and provides enhanced metadata as well.
  • The Radium remote control script has been updated (Requires the forthcoming Radium 2.8.2).
Version 4.0.2 | Release Date: 2011-02-26 | Download

The Instant On component has been updated to prevent a rare lock up.
Airfoil now offers a Deselect All Speakers menu item.
Airfoil Video Player has been updated for compatibility with Flash 10.2.
Fullscreen playback in Airfoil Video Player's web mode has been rewritten for better performance on some hardware.
Popup windows in Web mode are now blocked rather than taking over Airfoil Video Player.
The size and location of Airfoil Video Player's main window is now saved across sessions.
Screenshots destined for remote speakers like Airfoil Speakers Touch and Apple TV are now generated when the target application first produces audio.
Performance of metadata updates sent to Airfoil Speakers has been improved.
Airfoil's network load has been smoothed by throttling packet transmission.
Airfoil now gathers anonymous statistics about the kinds and quantities of speakers in use.
AppleScript now returns the proper volume level for the Computer speaker when linked to system volume.
Applescript update: "applicationSource" sorting has been rolled back to return apps the way it did prior to Airfoil 4.0.1.
A bug where silence might be transmitted when switching targets without Instant On installed has been corrected.
To avoid confusing AirPort Express units, Airfoil no longer sends set-volume commands during its initial connection.
A better error is now provided when a second copy of Airfoil attempts to connect to an in-use copy of Airfoil Speakers.
A rare crash in remote control support caused by network errors has been fixed.
Several rare crashes related to memory management issues have been fixed.
An extremely rare bug that could result in incomplete data being sent over the network has been fixed.

Version 4.0 | Release Date: 2010-12-16 | Download
  • A revamped interface makes Airfoil easier to use than ever!
  • Airfoil Speakers can now initiate a connection to Airfoil - with one click, you can receive audio on a remote machine.
  • Airfoil Speakers now offers remote control of some applications, enabling you to play, pause, skip forward, and skip back.
  • Airfoil Speakers also features a greatly improved interface, showing track titles, album art and other metadata when available!
  • Airfoil Video Player's new Web mode allows you to watch video from sites like Hulu, Netflix, and more, while playing their audio remotely and in sync.
  • The updated Instant On component works better than ever to capture audio from running applications, as well as all System Audio.
  • Airfoil now sends track titles, artwork, and other metadata to Apple TV and Airfoil Speakers.
  • Audio from Google Chrome can now be transmitted by simply selecting Chrome as the source in Airfoil.
  • Airfoil now supports additional applications via remote control, from Airfoil Speakers as well as Apple and Keyspan remotes.
  • Airfoil Video Player's interface has also been cleaned up and improved.
  • Airfoil will no longer incorrectly attempt to launch Airfoil Video Player from outside its own bundle.
  • A rare issue that could prevent some speakers from appearing in Airfoil's window has been fixed.
  • Many other small issues have been fixed.
Version 3.5.2 | Release Date: 2010-07-01 | Download
  • A rare deadlock with Instant Hijack has been fixed, with Instant Hijack 2.2.7
  • Other rare deadlocks in Airfoil have been fixed.
  • Airfoil Video Player no longer incorrectly appears in the Applications section of the source popup.
  • An erroneous 5406 error has been suppressed.
  • Airfoil Speakers will now disconnect when its machine is sleeping, so it will be available to take new connections immediately upon wake.
  • Overdrive on the Effects window gain control now works properly.
  • Airfoil no longer delays sleep.
Version 3.5 | Release Date: 2009-12-17 | Download
  • Airfoil and EyeTV from Elgato now work great together - when transmitting audio from EyeTV, Airfoil will adjust the local video to play in sync with remote audio!
  • Pulling audio from VMWare Fusion or Parallels Desktop is now much simpler - simply set Fusion or Desktop as the source in Airfoil's Source pop-up, and Airfoil will handle the rest.
  • A bug where transmitting Front Row without Instant Hijack installed would fail silently, instead of presenting an error, has been fixed.
Version 3.4.1 | Release Date: 2009-11-09 | Download
  • Hijacking of Safari is now much more robust, for non-English systems and cases where Safari is already active.
  • Pulling audio from Front Row now works as expected.
  • All background processes, including those for such applications as VMWare and Parallels, will now appear when option-clicking the Source menu.
  • The Instant Hijack component has been updated to 2.2.4 for improved compatibility.
  • Error handling when switching sources while transmitting has been improved.
  • If Instant Hijack is not installed, the Dashboard source now correctly prompts to install Instant Hijack, instead of just failing.
  • Airfoil no longer incorrectly errors when transmitting a source which is already being hijacked by another Rogue Amoeba product.
Version 3.4 | Release Date: 2009-10-22 | Download
  • 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).
  • With the Instant Hijack component installed, hijacking of Safari, QuickTime, and other applications has been improved to not require quitting and relaunching.
  • Airfoil now captures audio from sub-processes, improving hijacking of applications like Google Chrome.
  • The Radio window, for use with Radioshark USB radios, has been updated and improved.
  • Dashboard hijacking is now unified, so all audio from Dashboard is pulled in.
  • Airfoil now has a preference for adjusting the local audio output device.
  • VoiceOver accessibility support has been improved, as has keyboard navigation.
  • The metadata image sent to Apple TV and Airfoil Speakers Touch is now delayed by a few seconds to capture the target application in a more useful state.
  • The metadata image sent to Airfoil Speakers Touch is now periodically updated.
  • A rare bug causing endless error messages to appear in relation to auto-transmitting has been corrected.
  • If Soundflower is not installed, Airfoil now properly remembers the System Audio source when it requests an installation.
  • Airfoil can now better detect broken Soundflower installs and offer to reinstall.
  • Software update now includes anonymous data about appliaction sources.
  • Airfoil Video Player now accepts drags from iTunes into an AVP window.
  • Audio sources can now be switched while transmitting, without needing to dis- and re-connect.
Version 3.3.3 | Release Date: 2009-08-28 | Download
  • Airfoil is now fully compatible with Mac OS X 10.6 (Snow Leopard).
  • Airfoil now uses Instant Hijack 2.2 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.
  • Airfoil Video Player now displays proper colors during DVD playback on Mac OS X 10.6.
  • The Mute menu item in Airfoil Speakers now properly restores output to the previous volume level, instead of always restoring to full volume.
  • The artwork Airfoil sends to Airfoil Speakers Touch now updates periodically.
Version 3.3.1 | Release Date: 2009-06-27 | Download
  • Airfoil is now compatible with AirPort Express 7.4.2 firmware and Apple TV 2.4 firmware.
  • Airfoil no longer works around firewalls by sending an initial fake timing packet
  • The auto-transmit checkbox in Preferences now behaves properly with disappearing speakers.
  • Issues with deadlocked speaker threads, caused by setting metadata on disconnected speakers, have been resolved.
  • Multiple Airfoil Video Player issues have been corrected, including bad player state when a new movie is dragged in and the jumping playhead slider. The volume settings and position indicators are also now properly handled when dragging in a new movie.
Version 3.3 | Release Date: 2009-05-01 | Download
  • Airfoil now supports Airfoil Speakers for iPhone - transmit audio to your iPhone or iPod Touch!
  • Airfoil Speakers has been updated with several improvements
  • CPU usage when "Computer" speaker is not in use has been reduced.
  • Airfoil automatically reconnects to speakers if they disappear from the network but reappear within 15 seconds.
  • Icons for late-2008 MacBook and MacBook Pro models are now included.
  • The Volume Up/Down menu items are now enabled when "Link Volume to System" is selected (using them will un-link the volume).
  • Audio synchronization when transmitting to an Apple TV has been improved slightly.
  • AppleScript support for FM tuning of RadioSharks has been fixed.
  • Airfoil now includes Soundflower 1.4.2, which fixes an issue where System Audio could prevent RealPlayer 11 from launching.
  • Airfoil now includes Instant Hijack 2.1.1, which fixes a crash in 64-bit processes with a large number of command-line arguments.
  • Hijacker compatibility has been improved, with several applications added to the automatic MegaMix-mode list.
  • The license window displays purchase date extracted from the registration code.
  • Registration information is now written to disk immediately after entering it.
  • The application's name and version shown in registration window.
  • Holding Option and Shift while selecting About Airfoil will now bring up the debugger window.
  • A bug where Airfoil could freeze when the Mac was woken from sleep has been fixed.
  • A sensible error is now shown when connecting to remote speakers with an incorrect password.
  • Two small AirTunes protocol bugs were corrected.
  • A crash when debug logging was enabled while connecting to an Apple TV has been fixed.
  • If the "Remember Password" box was checked but the remembered password was incorrect, Airfoil now prompts immediately for a password
  • Airfoil no longer shows Dashboard group in source popup by default.
  • The hijacker quit retry timeout has been increased.
  • Airfoil Speakers now shows the name of the audio source being transmitted, when receiving from latest Airfoil.
  • Airfoil Speakers now has a Mute menu item.
  • Airfoil Speakers' status text displayed when waiting for a connection was changed.
  • Airfoil Video Player has slightly improved audio/video synchronization during DVD playback.
  • Airfoil Video Player now has the ability to choose the language when viewing multilingual QuickTime files.
  • Airfoil Video Player now has an explicit error message when opening QuickTime files which have DRM.
  • Airfoil Video Player now includes Perian 1.1.3.
  • Airfoil Video Player now properly synchronizes the volume bar between full-screen and regular modes.
Version 4.6.5 | Release Date: 2009-01-01 | Download
No changes specified
Version 3.2.1 | Release Date: 2008-07-16 | Download
New In Airfoil 3.2.1:
 • Includes Instant Hijack 2.1, with full 64-bit support.
 ◊ Many minor bug fixes
Version 3.2 | Release Date: 2008-05-22 | Download

 • Improved support for 802.11n AirPort Express units,including better synchronization, and full password support
 • Support for remote control of iTunes and QuickTime (when selected as sources), via AppleTV Remote and Keyspan Express Remote
 ◊ Now fully supports VIDEO_TS files for virtual DVDs.
 ◊ Many other minor improvements and bug fixes
Version 3.1.3 | Release Date: 2008-03-19 | Download
What's New in Airfoil 3.1.3:
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
Version 3.1.1 | Release Date: 2008-03-07 | Download
New In Airfoil 3.1.1:
◊ Improved performance with Airfoil Speakers
◊ Added On/Off checkbox for Effects, for use with DTS audio
◊ Many other minor bug fixes and improvements
Version 3.1 | Release Date: 2008-02-20 | Download
New In Airfoil 3.1:
 • Now supports transmitting audio to the Apple TV!
 • Now fully supports Airfoil Speakers for Windows
 ◊ Fixed DVD playback broken by Mac OS X 10.5.2
 ◊ Improved performance on low-end machines
 ◊ Improved compatibility with Front Row
 ◊ Updated Instant Hijack to version 2.0.2
 ◊ Many other minor fixes and improvements
Version 3.0.2 | Release Date: 2008-02-08 | Download
New In Airfoil 3.0.2
 • Includes Instant Hijack 2.0.1 with several small bug fixes
 • Includes Soundflower 1.3, with support for volume controls
 • Airfoil Video Player fixes, including fixes for discolored and improperly sized DVDs, PAL DVDs, and subtitled movies
 ◊ Several minor bug fixes to improve connectivity and performance
Version 3.0.2 | Release Date: 2008-02-08 | Download
New In Airfoil 3.0.2
 • Includes Instant Hijack 2.0.1 with several small bug fixes
 • Includes Soundflower 1.3, with support for volume controls
 • Airfoil Video Player fixes, including fixes for discolored and improperly sized DVDs, PAL DVDs, and subtitled movies
 ◊ Several minor bug fixes to improve connectivity and performance
Version 3.0 | Release Date: 2008-01-10 | Download
  • Play audio to remote Macs in addition to AirPort Express units, with Airfoil Speakers.
  • Play back local video in sync with remote audio, with Airfoil Video Player.
  • Send audio to the local machine in sync with remote playback
  • Full Mac OS X 10.5 (Leopard) Support
  • Updated interface and improved connectivity
  • Many other updates
Version 2.0.8 | Release Date: 2007-07-11 | Download
New in 2.0.8
-Minor bug fixes and improvements
Version 2.0.7 | Release Date: 2007-04-17 | Download
New In 2.0.7:
+ Improved connection reliability
+ Now includes SoundFlower 1.2.1
- Several small bugs fixed
Version 2.0.6 | Release Date: 2007-02-01 | Download

+ Updated networking code with full support for IPv6
+ Now includes SmartCrashReporter 1.2.1
- Fixed bug where EQ used excessive CPU power
- Several small bugs fixed

Version 2.0.5 | Release Date: 2006-10-25 | Download

Fixed two major bugs with audio transmission

Version 2.0.2 | Release Date: 2006-04-12 | Download
No changes specified
Version 3.2.7 | Release Date: 2006-03-04 | Download
  • Airfoil now (again) works correctly with attached RadioSharks on older machines.
  • Mac OS X 10.4: Again shipping with Soundflower 1.3.1 for Tiger, due to incompatibilities with newer Soundflower versions.