IntelliJ 12.0.3 Ctrl-Alt-U no longer works? - intellij-idea

I only just discovered that show UML Diagrams no longer works in IntelliJ 12.0.3.
Does anyone know whether there is a problem with it? Or whether it has been intentionally removed?
ps: It still works fine in 11.1.5.

I tried it and experienced the same as you.
The feature is disabled, and must be enabled by checking "UML Support" under File->Settings->Plugins

Ok, I've found out that Ctrl+Alt+U works in 12.0.3 Ultimate Edition, and not in the Community edition.

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Please contact the support team with the CPU snapshot attached.
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