Visual Preview uses XULRunner when it is active ----------------------------------------------- Key: JBIDE-17303 URL: https://issues.redhat.com/browse/JBIDE-17303 Project: Tools (JBoss Tools) Issue Type: Bug Components: visual-page-editor-core Affects Versions: 4.2.0.Beta2 Environment: Linux Reporter: Denis Golovin Priority: Critical Fix For: 4.3.x When VPE is installed on platform supported by xulrunner Visual Preview uses XULRunner based browser and HTML5 is not fully supported in this scenario. We cannot force webkit implementation for preview with active xulrunner because of known issues related to using these layout engines together.