See bug 163391. ResourceSetWorkbenchEditSynchronizer unloads resources prematurely in headless mode.
This patch should be applied with org.eclipse.wst.common_core.feature.patch.
See bug 162441. [import/export] Source files intermittently missing from EAR import
See bug 163816. DependencyGraphManager.buildDependencyGraph() skips projects with 1.0.x .component file
See bug 165215. Unable to load ValidateEditHeadlessContext class (previously "patched", but included here too, since touches same plugin).