FYI SEVERE issue with 1.522 with Jobs with Ivy Plugin

[Darren Rowley]

After auto updating to 1.522 today ALL our Ivy Plugin jobs fail to load:

7/07/2013 7:43:08 PM jenkins.InitReactorRunner$1 onTaskFailed
SEVERE: Failed Loading job isbook-r-7-9-0
java.lang.NoSuchFieldError: triggers
        at hudson.ivy.AbstractIvyProject.createTransientActions(AbstractIvyProject.java:62)
        at hudson.ivy.IvyModuleSet.createTransientActions(IvyModuleSet.java:251)
        at hudson.model.AbstractProject.updateTransientActions(AbstractProject.java:724)
        at hudson.ivy.IvyModuleSet.updateTransientActions(IvyModuleSet.java:246)
        at hudson.model.AbstractProject.onLoad(AbstractProject.java:322)
        at hudson.ivy.IvyModuleSet.onLoad(IvyModuleSet.java:520)
        at hudson.model.Items.load(Items.java:221)
        at jenkins.model.Jenkins$18.run(Jenkins.java:2553)
        at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
        at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
        at jenkins.model.Jenkins$7.runTask(Jenkins.java:895)
        at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
        at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
        at java.lang.Thread.run(Thread.java:679)
7/07/2013 7:43:08 PM jenkins.InitReactorRunner$1 onTaskFailed

Reverting to 1.521 fixes problem..