I just updated my internal servers from idm 4.6 to 4.6.1 (rbpm included) and it ran very well.

An install application is provided that update tomcat + java + identity apps in one shot .

It's worthwhile to mention if you had struggle to apply idm 4.5.1 / 4.5.2 /4.5.3/4.5.4/4.5.5 with configupdates and OSP ...

Thanks for the good job.