Hi, OSX Safari 11.8 (debug)
Original: 1.25 V2 with join : 1.00 v3 with bytyearray: 0.625 OSX Chrome 11.9 (non debug) Original: 0.958 V2: 0.898 V3: 0.374 So I think it fair to say let go with the ByteArray solution. There a few other functions in that same class that could be improved. Thanks, Justin