meld does not make alert sound when trying to move past last change (Alt+Up/Down)
Meld makes the GNOME alert sound when you try to move off the top/bottom of a file, as it should.
However, at least in version 3.18.0, it does not make the alert sound when you press Alt+Down on the last change, or Alt+Up on the first change.
(I cannot easily run the latest git on my system, as it complains my GtkSourceView is not new enough; I skimmed through the release notes for newer versions and searched the issues for "alert", "sound" and "beep" to try to find related issues, and found none. Thanks for Meld!)