java.util.Random.NextLong not implemented

Seems we've seen this problem before - nextLong is being used somewhere in the Jalview -> jmol highlight execution path - this one completely breaks JalviewJS...

transpiler was 3.3.1-v1 now 3.2.9-v1 for org.jmol.scriptext.MathExt
java.util.Random.nextLong$ has not been implemented in SwingJS.
0 swingjs.JSUtil.getStackTrace$I(n)
at Clazz._getStackTrace (https://www.jalview.org/jalview-js/develop/swingjs/swingjs2.js:15760:8)
    
args[0]=-5
1 swingjs.JSUtil.notImplemented$S(msg)
at Function.eval [as getStackTrace$I] (https://www.jalview.org/jalview-js/develop/swingjs/j2s/swingjs/JSUtil.js:275:14)
    
args[0]=null
2 java.util.Random.nextLong$()
at Function.eval [as notImplemented$S] (https://www.jalview.org/jalview-js/develop/swingjs/j2s/swingjs/JSUtil.js:292:120)
    
3 jalview.gui.StructureViewerBase.startProgressBar$S(msg)
at clazz.eval [as nextLong$] (https://www.jalview.org/jalview-js/develop/swingjs/j2s/java/util/Random.js:95:8)
    
args[0]=Colouring structures
4 jalview.structures.models.AAStructureBindingModel.executeCommand$Z$S$jalview_structure_StructureCommandIA(getReply, msg, cmds)
at Object.eval [as startProgressBar$S] (https://www.jalview.org/jalview-js/develop/swingjs/j2s/jalview/gui/StructureViewerBase.js:633:20)
    
args[0]=false
args[1]=Colouring structures
args[2]=select 1:A/1.1;color[163,188,27];select 2-28:A/1.1|58-98:A/1...
    
see Clazz._stack
transpiler was 3.2.9-v1 now 3.3.1-v1 for jalview.structure.AtomSpec
transpiler was 3.3.1-v1 now 3.2.9-v1 for org.jmol.render.HoverRenderer