diff --git a/autogen/generate.js b/autogen/generate.js
index 3297cf2..4f89104 100644
--- a/autogen/generate.js
+++ b/autogen/generate.js
@@ -252,7 +252,7 @@ function genReq(req, last)
    if (req.body.length == 0)
    {       
        result.push('  function() {');
-       result.push('     return new Buffer([' + req.opcode + ', 0, 1, 0]);');
+       result.push('     return Buffer.from([' + req.opcode + ', 0, 1, 0]);');
    } else {
    result.push('  function (args) {');
    result.push('    var extraLength = 0;');
@@ -287,10 +287,10 @@ function genReq(req, last)
    var reqLen4 = ((reqLen + 3) >> 2);
 
    if (extraLength)
-     result.push('    var data = new Buffer(' + reqLen + ' + extraLength);');
+     result.push('    var data = Buffer.alloc(' + reqLen + ' + extraLength);');
    else {
      result.pop(); 
-     result.push('    var data = new Buffer(' + reqLen + ');');
+     result.push('    var data = Buffer.alloc(' + reqLen + ');');
    } 
    result.push('    data[0] = ' + req.opcode + ';');
    if (req.body.length != 0) {
diff --git a/examples/kbdheatmap/node-jpg.js b/examples/kbdheatmap/node-jpg.js
index 236c14e..51bfbf1 100644
--- a/examples/kbdheatmap/node-jpg.js
+++ b/examples/kbdheatmap/node-jpg.js
@@ -571,7 +571,7 @@ module.exports.readJpeg = function(path)
     var imageData = {};
     imageData.width = j.width;
     imageData.height = j.height;
-    imageData.data = new Buffer(j.width*j.height*4);
+    imageData.data = Buffer.from(j.width*j.height*4);
     j.copyToImageData(imageData);
     return imageData;
 }
diff --git a/examples/png/node-png.js b/examples/png/node-png.js
index 7047cf5..66f1aeb 100644
--- a/examples/png/node-png.js
+++ b/examples/png/node-png.js
@@ -874,7 +874,7 @@ module.exports.readPng = function(path)
     var imageData = {};
     imageData.width = j.width;
     imageData.height = j.height;
-    imageData.data = new Buffer(j.width*j.height*4);
+    imageData.data = Buffer.alloc(j.width*j.height*4);
     j.render(imageData);
     return imageData;
 }
diff --git a/examples/simple/text/render-glyph.js b/examples/simple/text/render-glyph.js
index 24c521e..0d256af 100644
--- a/examples/simple/text/render-glyph.js
+++ b/examples/simple/text/render-glyph.js
@@ -26,7 +26,7 @@ function padWidth(buf, width) {
     return buf;
   else {
     var stride = (width+3)&~3;
-    var res = new Buffer(height*stride);
+    var res = Buffer.alloc(height*stride);
     res.fill(0);
     for (var y=0; y < height; ++y) {
       // memcpy(tmpbitmap+y*stride, bitmap->buffer+y*ginfo.width, ginfo.width);
@@ -88,7 +88,7 @@ var xclient = x11.createClient({ debug: true }, function(err, display) {
         var glyphFromCode = [];
         glyphs.forEach(function(g) {
           if (!g.image || (g.image.length == 0)) {
-            g.image = new Buffer(64);
+            g.image = Buffer.alloc(64);
             g.image.fill(0);
             g.width = 8;
             g.height = 8;
diff --git a/examples/smoketest/bmp.js b/examples/smoketest/bmp.js
index 6aa92f0..3d89aa3 100644
--- a/examples/smoketest/bmp.js
+++ b/examples/smoketest/bmp.js
@@ -6,7 +6,7 @@ var Pixmap = require('./pixmap').Pixmap;
 var Buffer = require('buffer').Buffer;
 require('../../lib/unpackbuffer').addUnpack(Buffer);
 
-var reversed = new Buffer(256);
+var reversed = Buffer.alloc(256);
 for (var i=0; i < 256; ++i)
 {
     var res = 0;
@@ -42,4 +42,4 @@ module.exports.decodeBuffer = function(buffer)
         data[i] = 255 - reversed[data[i]];
 
     return new Pixmap(header.bpp, header.width, header.height, data);
-}
\ No newline at end of file
+}
diff --git a/examples/smoketest/putimage.js b/examples/smoketest/putimage.js
index 5f83574..0ac4785 100644
--- a/examples/smoketest/putimage.js
+++ b/examples/smoketest/putimage.js
@@ -8,7 +8,7 @@ var xclient = x11.createClient();
 var Exposure = x11.eventMask.Exposure;
 var PointerMotion = x11.eventMask.PointerMotion;
 
-var bitmap = new Buffer(128*128/8); // 16384 bits, 2048 bytes bitmap
+var bitmap = Buffer.alloc(128*128/8); // 16384 bits, 2048 bytes bitmap
 for (var i=0; i < bitmap.length; ++i)
 {
     bitmap[i] = i % 256;
diff --git a/examples/smoketest/putimage1.js b/examples/smoketest/putimage1.js
index 71f354b..bccc20c 100644
--- a/examples/smoketest/putimage1.js
+++ b/examples/smoketest/putimage1.js
@@ -4,7 +4,7 @@ var x11 = require('../../lib');
 var Exposure = x11.eventMask.Exposure;
 var PointerMotion = x11.eventMask.PointerMotion;
 
-var bitmap = new Buffer(128*128*4); // 16384 bits, 2048 bytes bitmap
+var bitmap = Buffer.alloc(128*128*4); // 16384 bits, 2048 bytes bitmap
 for (var i=0; i < bitmap.length; ++i)
 {
     var byteNum = i%4;
diff --git a/examples/tetris.js b/examples/tetris.js
index 67a3565..6337162 100644
--- a/examples/tetris.js
+++ b/examples/tetris.js
@@ -25,7 +25,7 @@ var Buffer = require('buffer').Buffer;
 
 var startpos = [4, 15];
 var cupsize = [10, 20];
-var cup = new Buffer(cupsize[0]*cupsize[1]);
+var cup = Buffer.alloc(cupsize[0]*cupsize[1]);
 var moveInterval;
 
 function clearCup()
diff --git a/examples/vncviewer/d3des.js b/examples/vncviewer/d3des.js
index be3c348..16528ff 100644
--- a/examples/vncviewer/d3des.js
+++ b/examples/vncviewer/d3des.js
@@ -56,8 +56,8 @@ var pc2 = [
 function deskey(key, edf)
 {
 	var i, j, l, m, n;
-        var pc1m = new Buffer(56);
-        var pcr = new Buffer(56);
+        var pc1m = Buffer.alloc(56);
+        var pcr = Buffer.alloc(56);
 	var kn = new Array(32);
 
 	for ( j = 0; j < 56; j++ ) {
@@ -388,17 +388,17 @@ function desfunc(block, keys)
 
 module.exports.response = function(challenge, password)
 {
-    var key = new Buffer(8);
+    var key = Buffer.alloc(8);
     key.fill(0);
     key.write(password.substring(0,8));
     var in1 = challenge.slice(0,8);
     var in2 = challenge.slice(8,16);
-    var res1 = new Buffer(8);
-    var res2 = new Buffer(8);
+    var res1 = Buffer.alloc(8);
+    var res2 = Buffer.alloc(8);
     deskey(key, EN0);
     des(in1, res1);
     des(in2, res2);
-    var resp = new Buffer(16);
+    var resp = Buffer.alloc(16);
     res1.copy(resp);
     res2.copy(resp, 8);
     return resp;
diff --git a/examples/vncviewer/hexy.js b/examples/vncviewer/hexy.js
index e807e21..d19c006 100644
--- a/examples/vncviewer/hexy.js
+++ b/examples/vncviewer/hexy.js
@@ -7,7 +7,7 @@
 // It should create a pleasant looking hex dumb by default:
 //    
 //    var hexy = require('hexy.js'),
-//           b = new Buffer("\000\001\003\005\037\012\011bcdefghijklmnopqrstuvwxyz0123456789")
+//           b = Buffer.from("\000\001\003\005\037\012\011bcdefghijklmnopqrstuvwxyz0123456789")
 //    
 //    console.log(hexy.hexy(b))
 //
@@ -258,4 +258,4 @@ console.log(hexy(data, format))
 console.log("doen")
 */
 
-exports.hexy = hexy
\ No newline at end of file
+exports.hexy = hexy
diff --git a/examples/vncviewer/rfbclient.js b/examples/vncviewer/rfbclient.js
index 2b45e54..954258e 100644
--- a/examples/vncviewer/rfbclient.js
+++ b/examples/vncviewer/rfbclient.js
@@ -400,7 +400,7 @@ RfbClient.prototype.readHextileTile = function(rect, cb)
             });
             return;
         }
-        tile.buffer = new Buffer(tilebuflen);
+        tile.buffer = Buffer.alloc(tilebuflen);
      
         function solidBackground() {
             clog('solidBackground');
@@ -667,8 +667,8 @@ function createConnection(params)
         var wstream = fs.createWriteStream(params.rfbFileOut);
         wstream.write('FBS 001.001\n');
         stream.on('data', function(data) {
-            var sizeBuf = new Buffer(4);
-            var timeBuf = new Buffer(4);
+            var sizeBuf = Buffer.alloc(4);
+            var timeBuf = Buffer.alloc(4);
             var size = data.length;
             sizeBuf.writeInt32BE(size, 0);
             wstream.write(sizeBuf);
@@ -676,7 +676,7 @@ function createConnection(params)
             timeBuf.writeInt32BE(+new Date() - start, 0);
             wstream.write(timeBuf);
             var padding = 3 - ((size - 1) & 0x03);
-            var pbuf = new Buffer(padding);
+            var pbuf = Buffer.alloc(padding);
             wstream.write(pbuf);             
         }).on('end', function() {
             wstream.end();
diff --git a/examples/vncviewer/rfbserver.js b/examples/vncviewer/rfbserver.js
index 60f94c9..2c52f1f 100644
--- a/examples/vncviewer/rfbserver.js
+++ b/examples/vncviewer/rfbserver.js
@@ -62,7 +62,7 @@ RfbServer.prototype.processSecurity = function()
         break;
     case rfb.security.VNC:
         // generate random 16 byte challenge
-        serv.challenge = new Buffer(16);
+        serv.challenge = Buffer.alloc(16);
         serv.challenge.write('1234567890abcdef');
         console.log(['sending challenge', serv.challenge]);
         serv.pack_stream.pack('a', [serv.challenge]).flush();
diff --git a/examples/vncviewer/unpackstream.js b/examples/vncviewer/unpackstream.js
index 807b27b..ccbe205 100644
--- a/examples/vncviewer/unpackstream.js
+++ b/examples/vncviewer/unpackstream.js
@@ -34,7 +34,7 @@ function ReadFixedRequest(length, callback)
     this.length = length;
     this.callback = callback;
     //clog(length);
-    this.data = new Buffer(length);
+    this.data = Buffer.alloc(length);
     this.received_bytes = 0;
 }
 
@@ -328,7 +328,7 @@ UnpackStream.prototype.pack = function(format, args)
         }
     }
 
-    var buf = new Buffer(packetlength);
+    var buf = Buffer.alloc(packetlength);
     var offset = 0;
     var arg = 0;
     for (var i = 0; i < format.length; ++i)
diff --git a/examples/xpm/node-xpm.js b/examples/xpm/node-xpm.js
index 782ac71..a43e435 100644
--- a/examples/xpm/node-xpm.js
+++ b/examples/xpm/node-xpm.js
@@ -95,7 +95,7 @@ PixmapFromFile.prototype.mapColors = function(content,size){
 }
 
 PixmapFromFile.prototype.toBuffer = function (colors,content,size) {
-  var buf = new Buffer(size.width*size.height*4);
+  var buf = Buffer.alloc(size.width*size.height*4);
   var offset = 0, byte,color;
   var copy;
   if( !this.options.format || this.options.format.toUpperCase() === "BGRA"){
diff --git a/lib/corereqs.js b/lib/corereqs.js
index 83f4922..81ffdef 100644
--- a/lib/corereqs.js
+++ b/lib/corereqs.js
@@ -464,7 +464,7 @@ var templates = {
        function(mode, wid, name, type, units, data)
        {
           var padded4 = (data.length + 3) >> 2;
-          var pad = new Buffer( (padded4<<2) - data.length);
+          var pad = Buffer.alloc( (padded4<<2) - data.length);
           var format = 'CCSLLLCxxxLaa';
           var requestLength = 6 + padded4;
           var dataLenInFormatUnits = data.length / (units >> 3);
@@ -850,7 +850,7 @@ var templates = {
           var padded = xutil.padded_length(data.length);
           var reqLen = 6 + padded/4; // (length + 3) >> 2 ???
           var padLength = padded - data.length;
-          var pad = new Buffer(padLength); // TODO: new pack format 'X' - skip amount of bytes supplied in numerical argument
+          var pad = Buffer.alloc(padLength); // TODO: new pack format 'X' - skip amount of bytes supplied in numerical argument
 
           // TODO: move code to calculate reqLength and use BigReq if needed outside of corereq.js
           // NOTE: big req is used here (first 'L' in format, 0 and +1 in params), won't work if not enabled
@@ -1019,6 +1019,12 @@ var templates = {
            return [ 'CxSssCCxx', [107, 3, timeout, interval, preferBlanking, allowExposures]];
        }
    ],
+   
+   Bell: [
+       function(percent) {
+           return ["CxCs",[108,1]];
+       }
+   ],
 
    ForceScreenSaver: [
        function(activate) {
diff --git a/lib/ext/glx.js b/lib/ext/glx.js
index df3c42d..ab8432e 100644
--- a/lib/ext/glx.js
+++ b/lib/ext/glx.js
@@ -258,7 +258,7 @@ exports.requireExt = function(display, callback)
         ext.BindTexImage = function(ctx, drawable, buffer, attribs) {
            if (!attribs)
              attribs = [];
-           var data = new Buffer(12 + attribs.length*4);
+           var data = Buffer.alloc(12 + attribs.length*4);
            data.writeUInt32LE(drawable, 0);
            data.writeUInt32LE(buffer, 4);
            data.writeUInt32LE(attribs.length, 8);
@@ -268,7 +268,7 @@ exports.requireExt = function(display, callback)
         }
 
         ext.ReleaseTexImage = function(ctx, drawable, buffer) {
-           var data = new Buffer(8);
+           var data = Buffer.alloc(8);
            data.writeUint32LE(drawable, 0);
            data.writeUint32LE(buffer, 4);
            ext.VendorPrivate(ctx, 1331, data);
@@ -287,7 +287,7 @@ exports.requireExt = function(display, callback)
           X.pack_stream.pack('CCSLSSL', [ext.majorOpcode, 2, length, ctx, requestNum, requestTotal, data.length]);
 
           X.pack_stream.write_queue.push(data);
-          var pad = new Buffer(padLength);
+          var pad = Buffer.alloc(padLength);
           pad.fill(0);
           X.pack_stream.write_queue.push(pad);
           X.pack_stream.flush();
diff --git a/lib/ext/glxrender.js b/lib/ext/glxrender.js
index 17d4624..1560ac9 100644
--- a/lib/ext/glxrender.js
+++ b/lib/ext/glxrender.js
@@ -16,7 +16,7 @@ module.exports = function(GLX, ctx) {
             throw Error('Buffer too big. Make sure you are using RenderLarge for large commands');
 
         currentLength += len;
-        var res = Buffer(len);
+        var res = Buffer.alloc(len);
         res.writeUInt16LE(len, 0);
         res.writeUInt16LE(opcode, 2);
         return res;
@@ -266,7 +266,7 @@ module.exports = function(GLX, ctx) {
           typeSize[constants.BYTE] = 1;
           typeSize[constants.UNSIGNED_BYTE] = 1;
 
-          var res = new Buffer(60 + data.length*typeSize[type]);
+          var res = Buffer.alloc(60 + data.length*typeSize[type]);
           res.writeUInt32LE(res.length, 0);
           res.writeUInt32LE(110, 4);
 
diff --git a/lib/ext/render.js b/lib/ext/render.js
index bdf5e99..f821af1 100644
--- a/lib/ext/render.js
+++ b/lib/ext/render.js
@@ -437,7 +437,7 @@ exports.requireExt = function(display, callback)
                   glyph = glyphs[i];
                   if (glyph.width % 4 !== 0) {
                     var stride = (glyph.width+3)&~3;
-                    var res = new Buffer(glyph.height*stride);
+                    var res = Buffer.alloc(glyph.height*stride);
                     res.fill(0);
                     for (var y=0; y < glyph.height; ++y) {
                       glyph.image.copy(res, y*stride, y*glyph.width, y*glyph.width + glyph.width);
@@ -503,7 +503,7 @@ exports.requireExt = function(display, callback)
             function wstring(bits, s) {
               var charLength = bits / 8;
               var dataLength = s.length*charLength;
-              var res = new Buffer(xutil.padded_length(dataLength));
+              var res = Buffer.alloc(xutil.padded_length(dataLength));
               debugger;
               var write = res[bufferWriteBits[bits]]
               res.fill(0);
diff --git a/lib/hexy.js b/lib/hexy.js
index e807e21..a402c45 100644
--- a/lib/hexy.js
+++ b/lib/hexy.js
@@ -7,7 +7,7 @@
 // It should create a pleasant looking hex dumb by default:
 //    
 //    var hexy = require('hexy.js'),
-//           b = new Buffer("\000\001\003\005\037\012\011bcdefghijklmnopqrstuvwxyz0123456789")
+//           b = Buffer.alloc("\000\001\003\005\037\012\011bcdefghijklmnopqrstuvwxyz0123456789")
 //    
 //    console.log(hexy.hexy(b))
 //
@@ -258,4 +258,4 @@ console.log(hexy(data, format))
 console.log("doen")
 */
 
-exports.hexy = hexy
\ No newline at end of file
+exports.hexy = hexy
diff --git a/lib/unpackstream.js b/lib/unpackstream.js
index 934f2f6..c461a3d 100644
--- a/lib/unpackstream.js
+++ b/lib/unpackstream.js
@@ -23,7 +23,7 @@ function ReadFixedRequest(length, callback)
 {
     this.length = length;
     this.callback = callback;
-    this.data = new Buffer(length);
+    this.data = Buffer.alloc(length);
     this.received_bytes = 0;
 }
 
@@ -201,7 +201,7 @@ UnpackStream.prototype.pstr = function(str)
     var len = xutil.padded_length(str.length);
     if (len == 0)
         return; // nothing to write
-    var buf = new Buffer(len);
+    var buf = Buffer.alloc(len);
     buf.write(str, 'binary');
     this.write_queue.push(buf);
 }
@@ -231,7 +231,7 @@ UnpackStream.prototype.pack = function(format, args)
         }
     }
 
-    var buf = new Buffer(packetlength);
+    var buf = Buffer.alloc(packetlength);
     var offset = 0;
     var arg = 0;
     for (var i = 0; i < format.length; ++i)
@@ -269,12 +269,14 @@ UnpackStream.prototype.pack = function(format, args)
                 buf[offset++] = (n >> 16) & 0xff;
                 buf[offset++] = (n >> 24) & 0xff;
                 break;
-            case 'a':  // string or buffer
+            case 'a':  // string, buffer, or array
                 var str = args[arg++];
                 if (Buffer.isBuffer(str))
                 {
                     str.copy(buf, offset);
                     offset += str.length;
+                } else if(Array.isArray(str)) {
+                	for(var item of str) buf[offset++] = item;
                 } else {
                     // TODO: buffer.write could be faster
                     for (var c = 0; c < str.length; ++c)
diff --git a/lib/xcore.js b/lib/xcore.js
index e43efed..f62d346 100644
--- a/lib/xcore.js
+++ b/lib/xcore.js
@@ -508,7 +508,7 @@ XClient.prototype.expectReplyHeader = function()
 
                     // raw event 32-bytes packet (primarily for use in SendEvent);
                     // TODO: Event::pack based on event parameters, inverse to unpackEvent
-                    ev.rawData = new Buffer(32);
+                    ev.rawData = Buffer.alloc(32);
                     headerBuf.copy(ev.rawData);
                     buf.copy(ev.rawData, 8);
 
diff --git a/test/change-property.js b/test/change-property.js
index 6090856..38c802b 100644
--- a/test/change-property.js
+++ b/test/change-property.js
@@ -27,7 +27,7 @@ describe('ChangeProperty', function() {
         var self = this;
         this.X.InternAtom(false, TEST_PROPERTY, function(err, atom) {
             should.not.exist(err);
-            var raw = new Buffer(4);
+            var raw = Buffer.alloc(4);
             raw.writeUInt32LE(self.wid, 0);
             self.X.ChangeProperty(0, self.wid, atom, self.X.atoms.WINDOW, 32, raw);
             self.X.once('event', function(ev) {
@@ -47,7 +47,7 @@ describe('ChangeProperty', function() {
         var self = this;
         this.X.InternAtom(false, TEST_PROPERTY, function(err, atom) {
             should.not.exist(err);
-            var raw = new Buffer(new Array(8));
+            var raw = Buffer.from(new Array(8));
             raw.writeUInt32LE(self.wid, 0);
             raw.writeUInt32LE(self.wid_helper, 4);
             self.X.ChangeProperty(0, self.wid, atom, self.X.atoms.ATOM, 32, raw);
@@ -69,7 +69,7 @@ describe('ChangeProperty', function() {
         var self = this;
         this.X.InternAtom(false, TEST_PROPERTY, function(err, atom) {
             should.not.exist(err);
-            var raw = new Buffer(0);
+            var raw = Buffer.alloc(0);
             self.X.ChangeProperty(0, self.wid, atom, self.X.atoms.WINDOW, 32, raw);
             self.X.once('event', function(ev) {
                 ev.type.should.equal(28);
diff --git a/test/client-message.js b/test/client-message.js
index f9bcc10..f1c57bb 100644
--- a/test/client-message.js
+++ b/test/client-message.js
@@ -40,7 +40,7 @@ describe('ClientMessage', function() {
             });
 
             var X = dpy.client;
-            var eventData = new Buffer(32);
+            var eventData = Buffer.alloc(32);
             eventData.writeInt8(33, 0);                          //Event Type 33 = ClientMessage
             eventData.writeInt8(8,  1);                          //Format
             eventData.writeInt32LE(self.wid, 4);                 //Window ID
@@ -67,7 +67,7 @@ describe('ClientMessage', function() {
             });
 
             var X = dpy.client;
-            var eventData = new Buffer(32);
+            var eventData = Buffer.alloc(32);
             eventData.writeInt8(33, 0);                          //Event Type 33 = ClientMessage
             eventData.writeInt8(16,  1);                          //Format
             eventData.writeInt32LE(self.wid, 4);                 //Window ID
@@ -94,7 +94,7 @@ describe('ClientMessage', function() {
             });
 
             var X = dpy.client;
-            var eventData = new Buffer(32);
+            var eventData = Buffer.alloc(32);
             eventData.writeInt8(33, 0);                          //Event Type 33 = ClientMessage
             eventData.writeInt8(32,  1);                         //Format
             eventData.writeInt32LE(self.wid, 4);                 //Window ID