Actuate fails to call setters of classes which extend classes with type parameters. Affected versions: 1.6.3 - 1.7.0

Main.hx

package;

import flash.display.Shape;
import flash.display.Sprite;
import flash.Lib;
import motion.Actuate;


class Main extends Test<Shape>{
    /** this setter is not called on tweening */
    public var left (default,set) : Float = 0;


    static function main() {
        var test = new Main();
        Lib.current.addChild(test);
        Actuate.tween(test, 3, {left:750}).onUpdate(function(){
            //this trace will be displayed
            trace('tween update: test.left = ' + test.left);
        });
    }


    /**
    * Setter `left`.
    *
    */
    private function set_left (left:Float) : Float {
        //this trace will never be displayed
        trace('setter');
        return this.x = this.left = left;
    }//function set_left

}


/**
* Class with type parameters
*
*/
class Test<T> extends Sprite{

    /**
    * Constructor
    *
    */
    public function new () : Void {
        super();
        this.graphics.beginFill(0xFF0000);
        this.graphics.drawRect(0, 0, 50, 50);
        this.graphics.endFill();
    }//function new()

}//class Test<T>