via http://www.emucr.com/2011/10/virtual...-svn-r392.html

Virtual Jaguar SVN r392 is released. Virtual Jaguar is an open source emulator based on Jagem (Virtual Jaguar) for Linux, MacOS X, and Windows. The source also compiles on BeOS. Virtual Jaguar is an awesome Atari Jaguar emulator with great compatibility.

Virtual Jaguar SVN Changelog:
r392
Mask out ALT for now, small optimization in screen rendering code

http://icculus.org/virtualjaguar/