I have quite a lot of jobs which can roam around between master and about 20 Slaves. The initial job updates an SCM view and compiles the software and starts depending jobs like building an installer. The installer job needs to know on which node to run which it is told by using the parameterized trigger plugin and the node label parameter plugin. After upgrading to latest Jenkins 1.527 this mechanism is broken at least for a Windows 7/64 bit master.
I had similar problems about a year ago, see
JENKINS-14109. Maybe this is helpful.
Downgrading to 1.526 fixes the issue, so there must be a change in core which caused this. The only suspect from the changes I can see is