Unable to open Notes document from xPages after upgrade to 8.5.2

Unable to open a Notes document/frameset/view from xPages in Notes client after upgrade to 8.5.2 in Windows 7.db.getNotesURL() returns a completely different URL in 8.5.2 compared to 8.5.1

Subject: Solution (target parameter missing)

It seems that 8.5.2 must have a target parameter