Rogue Amoeba has released Airfoil 5.1 with an improved Effects window, which tweaks the layout and labels while also ensuring that the window correctly remembers its state between launches. The wireless audio broadcasting app also updates the Instant On component to version 8.2.6, enables you to right-click on a speaker in the main window to hide it from view, fixes a bug that prevented a local audio play-through preference from being respected, and changes the behavior of pressing the back button when transmitting iTunes so that it rewinds to the beginning of the track rather than moving to the previous track. The companion Airfoil Satellite iOS app also now receives Retina-quality album artwork (if accessing a Mac with a Retina display). ($29 new with a 20 percent discount for TidBITS members, $15 upgrade, 13.8 MB, release notes, 10.9+)
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