Apple has posted a MRJ 1.5 to 1.5.1 Updater on it's bleeding edge page at
http://applejava.apple.com/text/prerelease.html. The MRJ 1.5 -) 1.5.1
Updater fixes a security hole in MRJ 1.5. They are posting it here to get
feedback from the developer community that (a) this updater fixes the
security hole and (b) we didn't break something else in the process. We
expect to release this to the general public shortly. Please send feedback
to mrj_bugs@apple.com, put "UPDATER" in the subject line of your email
message.

MRJ 68K JITC 1.5 Beta is a Just-in-time compiler for 68030 and 68040
Macintoshes that have MRJ 1.5 installed. The JITC greatly enhances the
peformance of many operations in Java.

You will need Apple's Disk Copy 6.1.3 utility to mount the MRJ 68K JITC 1.5
Beta install image. If you don't already have Disk Copy, you can find it
on: ftp://ftp.apple.com/devworld/Utilities/

Send Feature Requests and Feedback about MRJ to: mailto:mrj_feedback@apple.com

Send Bug reports about MRJ to: mailto:mrj_bugs@apple.com