oxf.xforms.client.events.filter: this was deprecated since Orbeon Forms 4.5.
oxf.xforms.client.events.mode: specifically, the
deferredmode is removed.
oxf.xforms.cache-combined-resources: HTTP reverse proxies can cache resources without having access to a file on disk, which makes this feature obsolete.
properties-local.xmlcontains these properties. It is unlikely, but if it does, and the properties are not blank or with a default value, please ask Orbeon for advice.