Here's whatsnew:

"Filter audio" option (AmiArcadia only).
Support for analog joysticks on host (AmiArcadia).
New ARexx commands: ACTIVATE, CMDSHELL, DEACTIVATE, LOCKGUI, MOVEWINDOW, PAUSE, UNLOCKGUI, UNPAUSE (AmiArcadia only).
New CLI arguments: PORTNAME, STARTUP (AmiArcadia only).
"View|ROM as imagery" command.
Miscellaneous improvements and bug fixes.

Get it here:
http://amigan.1emu.net/releases/#amiarcadia

-Trebor