When working with Silverlight, I\'ve noticed that Firefox will cache the XAP file, so if I do an update, a user may be stuck using an outdated version. Is there a way to fo
A super simple idea: just add a fake query string to the url.
Most servers should ignore it and server the file normally--depends on your server. If you get really clever, you could make the hosting page dynamic and automatically append a tick-count or date-time string to the query string. This ensures that you get caching when you want it, but force a download when there's a change.
Ideally, your server should do this for you. But if not...