diff --git a/README.md b/README.md
index b24b7864..d77c7002 100644
--- a/README.md
+++ b/README.md
@@ -3,14 +3,14 @@ CEF4Delphi is an open source project created by Salvador Díaz Fau to embed Chro
 
 CEF4Delphi is based on DCEF3, made by Henri Gourvest. The original license of DCEF3 still applies to CEF4Delphi. Read the license terms in the first lines of any *.pas file.
 
-CEF4Delphi uses CEF 88.2.1 which includes Chromium 88.0.4324.146. 
+CEF4Delphi uses CEF 88.2.4 which includes Chromium 88.0.4324.150. 
 The CEF binaries used by CEF4Delphi are available for download at spotify :
-* [Windows 32 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.1%2Bg0b18d0b%2Bchromium-88.0.4324.146_windows32.tar.bz2)
-* [Windows 64 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.1%2Bg0b18d0b%2Bchromium-88.0.4324.146_windows64.tar.bz2)
-* [Linux x86 32 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.1%2Bg0b18d0b%2Bchromium-88.0.4324.146_linux32.tar.bz2)
-* [Linux x86 64 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.1%2Bg0b18d0b%2Bchromium-88.0.4324.146_linux64.tar.bz2)
-* [Linux ARM 32 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.1%2Bg0b18d0b%2Bchromium-88.0.4324.146_linuxarm.tar.bz2)
-* [Linux ARM 64 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.1%2Bg0b18d0b%2Bchromium-88.0.4324.146_linuxarm64.tar.bz2)
+* [Windows 32 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.4%2Bgf3c4ca9%2Bchromium-88.0.4324.150_windows32.tar.bz2)
+* [Windows 64 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.4%2Bgf3c4ca9%2Bchromium-88.0.4324.150_windows64.tar.bz2)
+* [Linux x86 32 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.4%2Bgf3c4ca9%2Bchromium-88.0.4324.150_linux32.tar.bz2)
+* [Linux x86 64 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.4%2Bgf3c4ca9%2Bchromium-88.0.4324.150_linux64.tar.bz2)
+* [Linux ARM 32 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.4%2Bgf3c4ca9%2Bchromium-88.0.4324.150_linuxarm.tar.bz2)
+* [Linux ARM 64 bits](https://cef-builds.spotifycdn.com/cef_binary_88.2.4%2Bgf3c4ca9%2Bchromium-88.0.4324.150_linuxarm64.tar.bz2)
 
 CEF4Delphi was developed and tested on Delphi 10.4.1 and it has been tested in Delphi 7, Delphi XE, Delphi 10, Delphi 10.2, Delphi 10.3 and Lazarus 2.0.10/FPC 3.2.0. CEF4Delphi includes VCL, FireMonkey (FMX) and Lazarus components.
 
diff --git a/packages/cef4delphi_lazarus.lpk b/packages/cef4delphi_lazarus.lpk
index f9fb2498..02e95069 100644
--- a/packages/cef4delphi_lazarus.lpk
+++ b/packages/cef4delphi_lazarus.lpk
@@ -21,7 +21,7 @@
     </CompilerOptions>
     <Description Value="CEF4Delphi is an open source project created by Salvador Díaz Fau to embed Chromium-based browsers in applications made with Delphi or Lazarus/FPC."/>
     <License Value="MPL 1.1"/>
-    <Version Major="88" Minor="2" Release="1"/>
+    <Version Major="88" Minor="2" Release="4"/>
     <Files Count="196">
       <Item1>
         <Filename Value="..\source\uCEFAccessibilityHandler.pas"/>
diff --git a/source/uCEFApplicationCore.pas b/source/uCEFApplicationCore.pas
index e8f11243..f36072d2 100644
--- a/source/uCEFApplicationCore.pas
+++ b/source/uCEFApplicationCore.pas
@@ -66,13 +66,13 @@ uses
 const
   CEF_SUPPORTED_VERSION_MAJOR   = 88;
   CEF_SUPPORTED_VERSION_MINOR   = 2;
-  CEF_SUPPORTED_VERSION_RELEASE = 1;
+  CEF_SUPPORTED_VERSION_RELEASE = 4;
   CEF_SUPPORTED_VERSION_BUILD   = 0;
 
   CEF_CHROMEELF_VERSION_MAJOR   = 88;
   CEF_CHROMEELF_VERSION_MINOR   = 0;
   CEF_CHROMEELF_VERSION_RELEASE = 4324;
-  CEF_CHROMEELF_VERSION_BUILD   = 146;
+  CEF_CHROMEELF_VERSION_BUILD   = 150;
 
   {$IFDEF MSWINDOWS}
   LIBCEF_DLL     = 'libcef.dll';
diff --git a/source/uCEFChromium.pas b/source/uCEFChromium.pas
index 8eaa65dd..775d8976 100644
--- a/source/uCEFChromium.pas
+++ b/source/uCEFChromium.pas
@@ -190,14 +190,10 @@ begin
 end;
 
 function TChromium.GetParentFormHandle : TCefWindowHandle;
-{$IFDEF MSWINDOWS}
 var
   TempForm : TCustomForm;
-{$ENDIF}
 begin
-  Result := inherited GetParentFormHandle;
-
-  {$IFDEF MSWINDOWS}
+  Result   := inherited GetParentFormHandle;
   TempForm := GetParentForm;
 
   if (TempForm <> nil) and TempForm.HandleAllocated then
@@ -207,7 +203,6 @@ begin
        (Application.MainForm <> nil) and
        Application.MainForm.HandleAllocated then
       Result := Application.MainForm.Handle;
-  {$ENDIF}
 end;
 
 procedure TChromium.MoveFormTo(const x, y: Integer);
diff --git a/source/uCEFChromiumCore.pas b/source/uCEFChromiumCore.pas
index 9c29cecf..4bf354e3 100644
--- a/source/uCEFChromiumCore.pas
+++ b/source/uCEFChromiumCore.pas
@@ -50,20 +50,22 @@ interface
 
 uses
   {$IFDEF DELPHI16_UP}
-  {$IFDEF MSWINDOWS}WinApi.Windows, WinApi.Messages, WinApi.ActiveX, WinApi.CommCtrl,{$ENDIF}
-  System.Classes, System.SyncObjs, System.Types,
+    {$IFDEF MSWINDOWS}WinApi.Windows, WinApi.Messages, WinApi.ActiveX, WinApi.CommCtrl,{$ENDIF}
+    System.Classes, System.SyncObjs, System.Types,
   {$ELSE}
     {$IFDEF MSWINDOWS}Windows, ActiveX, CommCtrl,{$ENDIF} Classes,
     {$IFDEF FPC}
-    LCLProc, LCLType, LCLIntf, LResources, LMessages, InterfaceBase,
+      LCLProc, LCLType, LCLIntf, LResources, LMessages, InterfaceBase,
+      {$IFDEF LINUX}xlib,{$ENDIF}
     {$ELSE}
-    Messages,
+      Messages,
     {$ENDIF}
     SyncObjs,
   {$ENDIF}
   uCEFTypes, uCEFInterfaces, uCEFLibFunctions, uCEFMiscFunctions, uCEFClient,
   uCEFConstants, uCEFTask, uCEFDomVisitor, uCEFChromiumEvents,
   {$IFDEF MSWINDOWS}uCEFDragAndDropMgr,{$ENDIF}
+  {$IFDEF LINUX}uCEFLinuxTypes,{$ENDIF}
   uCEFChromiumOptions, uCEFChromiumFontOptions, uCEFPDFPrintOptions,
   uCEFBrowserViewComponent;
 
@@ -143,6 +145,10 @@ type
       FJavascriptEnabled        : boolean;
       FLoadImagesAutomatically  : boolean;
 
+      {$IFDEF LINUX}
+      FXDisplay                 : PXDisplay;
+      {$ENDIF}
+
       {$IFDEF MSWINDOWS}
       FOldBrowserCompWndPrc   : TFNWndProc;
       FOldWidgetCompWndPrc    : TFNWndProc;
@@ -356,6 +362,9 @@ type
       function  GetBrowserById(aID : integer) : ICefBrowser;
       function  GetBrowserCount : integer;
       function  GetBrowserIdByIndex(aIndex : integer) : integer;
+      {$IFDEF LINUX}
+      function  GetXDisplay : PXDisplay;
+      {$ENDIF}
 
       procedure SetDoNotTrack(aValue : boolean);
       procedure SetSendReferrer(aValue : boolean);
@@ -436,9 +445,6 @@ type
       function  ExecuteSetZoomLevelTask(const aValue : double) : boolean;
       function  ExecuteSetZoomStepTask(aValue : byte) : boolean;
       function  ExecuteBrowserNavigationTask(aTask : TCefBrowserNavigation) : boolean;
-      function  ExecuteUpdateSizeTask(aLeft, aTop, aWidth, aHeight : integer) : boolean;
-      function  ExecuteSendCaptureLostEventTask : boolean;
-      function  ExecuteUpdateXWindowVisibilityTask(aVisible : boolean) : boolean;
 
       procedure UpdateHostZoomLevel(const aValue : double);
       procedure UpdateHostZoomPct(const aValue : double);
@@ -643,9 +649,6 @@ type
       procedure doMediaRouteCreateFinished(result: TCefMediaRouterCreateResult; const error: ustring; const route: ICefMediaRoute); virtual;
       procedure doOnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring); virtual;
       procedure doBrowserNavigation(aTask : TCefBrowserNavigation); virtual;
-      procedure doUpdateSize(aLeft, aTop, aWidth, aHeight : integer); virtual;
-      procedure doSendCaptureLostEvent; virtual;
-      procedure doUpdateXWindowVisibility(aVisible : boolean); virtual;
       function  MustCreateAudioHandler : boolean; virtual;
       function  MustCreateDevToolsMessageObserver : boolean; virtual;
       function  MustCreateLoadHandler : boolean; virtual;
@@ -906,6 +909,9 @@ type
       property  QuicAllowed                   : boolean                      read FQuicAllowed                 write SetQuicAllowed;
       property  JavascriptEnabled             : boolean                      read FJavascriptEnabled           write SetJavascriptEnabled;
       property  LoadImagesAutomatically       : boolean                      read FLoadImagesAutomatically     write SetLoadImagesAutomatically;
+      {$IFDEF LINUX}
+      property  XDisplay                      : PXDisplay                    read GetXDisplay;
+      {$ENDIF}
 
       property  WebRTCIPHandlingPolicy        : TCefWebRTCHandlingPolicy     read FWebRTCIPHandlingPolicy      write SetWebRTCIPHandlingPolicy;
       property  WebRTCMultipleRoutes          : TCefState                    read FWebRTCMultipleRoutes        write SetWebRTCMultipleRoutes;
@@ -1161,7 +1167,7 @@ uses
   {$IFDEF DELPHI16_UP}
   System.SysUtils, System.Math,
   {$ELSE}
-  SysUtils, Math, {$IFDEF FPC}{$IFDEF LINUX}xlib, x, xatom,{$ENDIF}{$ENDIF}
+  SysUtils, Math, {$IFDEF FPC}{$IFDEF LINUX}x, xatom, gdk2x, gtk2,{$ENDIF}{$ENDIF}
   {$ENDIF}
   uCEFBrowser, uCEFValue, uCEFDictionaryValue, uCEFStringMultimap, uCEFFrame,
   uCEFApplicationCore, uCEFProcessMessage, uCEFRequestContext,
@@ -1220,6 +1226,9 @@ begin
   FQuicAllowed             := True;
   FJavascriptEnabled       := True;
   FLoadImagesAutomatically := True;
+  {$IFDEF LINUX}
+  FXDisplay                := nil;
+  {$ENDIF}
 
   if (GlobalCEFApp <> nil) then
     FHyperlinkAuditing := GlobalCEFApp.HyperlinkAuditing
@@ -2517,57 +2526,6 @@ begin
   end;
 end;
 
-function TChromiumCore.ExecuteUpdateSizeTask(aLeft, aTop, aWidth, aHeight : integer) : boolean;
-var
-  TempTask : ICefTask;
-begin
-  Result := False;
-
-  try
-    if Initialized then
-      begin
-        TempTask := TCefUpdateSizeTask.Create(self, aLeft, aTop, aWidth, aHeight);
-        Result   := CefPostTask(TID_UI, TempTask);
-      end;
-  finally
-    TempTask := nil;
-  end;
-end;
-
-function TChromiumCore.ExecuteSendCaptureLostEventTask : boolean;
-var
-  TempTask : ICefTask;
-begin
-  Result := False;
-
-  try
-    if Initialized then
-      begin
-        TempTask := TCefSendCaptureLostEventTask.Create(self);
-        Result   := CefPostTask(TID_UI, TempTask);
-      end;
-  finally
-    TempTask := nil;
-  end;
-end;
-
-function TChromiumCore.ExecuteUpdateXWindowVisibilityTask(aVisible : boolean) : boolean;
-var
-  TempTask : ICefTask;
-begin
-  Result := False;
-
-  try
-    if Initialized then
-      begin
-        TempTask := TCefUpdateXWindowVisibilityTask.Create(self, aVisible);
-        Result   := CefPostTask(TID_UI, TempTask);
-      end;
-  finally
-    TempTask := nil;
-  end;
-end;
-
 procedure TChromiumCore.GoBack;
 begin
   ExecuteBrowserNavigationTask(bnBack);
@@ -2765,6 +2723,32 @@ begin
     end;
 end;
 
+{$IFDEF LINUX}
+function TChromiumCore.GetXDisplay : PXDisplay;
+{$IFDEF FPC}
+var
+  TempParent : TCefWindowHandle;
+{$ENDIF}
+begin
+  if (FXDisplay = nil) then
+    begin
+      {$IFDEF FPC}
+      TempParent := ParentFormHandle;
+
+      if ValidCefWindowHandle(TempParent) and
+         (PGtkWidget(TempParent)^.Window <> nil) then
+        FXDisplay := GDK_WINDOW_XDISPLAY(PGtkWidget(TempParent)^.Window);
+      {$ENDIF}
+
+      // GlobalCEFApp.XDisplay can only be called in the CEF UI thread.
+      if (FXDisplay = nil) and (GlobalCEFApp <> nil) then
+        FXDisplay := GlobalCEFApp.XDisplay;
+    end;
+
+  Result := FXDisplay;
+end;
+{$ENDIF}
+
 function TChromiumCore.GetHasValidMainFrame : boolean;
 begin
   Result := Initialized and (Browser.MainFrame <> nil) and Browser.MainFrame.IsValid;
@@ -4632,107 +4616,65 @@ begin
     end;
 end;
 
-procedure TChromiumCore.doUpdateSize(aLeft, aTop, aWidth, aHeight : integer);
-{$IFDEF LINUX}{$IFDEF FPC}
+{$IFDEF LINUX}
+procedure TChromiumCore.UpdateBrowserSize(aLeft, aTop, aWidth, aHeight : integer);
+{$IFDEF FPC}
 var
   TempHandle   : TCefWindowHandle;
   TempChanges  : TXWindowChanges;
   TempXDisplay : PXDisplay;
-{$ENDIF}{$ENDIF}
+{$ENDIF}
 begin
-  {$IFDEF LINUX}{$IFDEF FPC}
-  if (GlobalCEFApp <> nil) then
+  {$IFDEF FPC}
+  TempHandle := WindowHandle;
+
+  if ValidCefWindowHandle(TempHandle) then
     begin
-      TempXDisplay := GlobalCEFApp.XDisplay;
+      TempXDisplay := XDisplay;
 
       if (TempXDisplay <> nil) then
         begin
-          TempHandle := WindowHandle;
+          TempChanges.x      := aLeft;
+          TempChanges.y      := aTop;
+          TempChanges.width  := aWidth;
+          TempChanges.height := aHeight;
 
-          if ValidCefWindowHandle(TempHandle) then
-            begin
-              TempChanges.x      := aLeft;
-              TempChanges.y      := aTop;
-              TempChanges.width  := aWidth;
-              TempChanges.height := aHeight;
-
-              XConfigureWindow(TempXDisplay, TempHandle, CWX or CWY or CWHeight or CWWidth, @TempChanges);
-            end;
+          XConfigureWindow(TempXDisplay, TempHandle, CWX or CWY or CWHeight or CWWidth, @TempChanges);
         end;
     end;
-  {$ENDIF}{$ENDIF}
-end;   
-
-procedure TChromiumCore.doSendCaptureLostEvent;  
-{$IFDEF LINUX}{$IFDEF FPC}
-var
-  TempXDisplay : PXDisplay;
-{$ENDIF}{$ENDIF}
-begin
-  {$IFDEF LINUX}{$IFDEF FPC}
-  if (GlobalCEFApp <> nil) then
-    begin
-      TempXDisplay := GlobalCEFApp.XDisplay;
-
-      if (TempXDisplay <> nil) then
-        XSetInputFocus(TempXDisplay, X.None, RevertToNone, CurrentTime);
-    end;
-  {$ENDIF}{$ENDIF}
-
-  if Initialized then
-    Browser.Host.SendCaptureLostEvent;
+  {$ENDIF}
 end;
 
-procedure TChromiumCore.doUpdateXWindowVisibility(aVisible : boolean);   
-{$IFDEF LINUX}{$IFDEF FPC}
+procedure TChromiumCore.UpdateXWindowVisibility(aVisible : boolean);
+{$IFDEF FPC}
 var
   TempXDisplay : PXDisplay;
   TempHandle   : TCefWindowHandle;
   TempState    : TAtom;
   TempHidden   : TAtom;
-{$ENDIF}{$ENDIF}
+{$ENDIF}
 begin
-  {$IFDEF LINUX}{$IFDEF FPC}
-  if (GlobalCEFApp <> nil) then
+  {$IFDEF FPC}
+  TempHandle := WindowHandle;
+
+  if ValidCefWindowHandle(TempHandle) then
     begin
-      TempXDisplay := GlobalCEFApp.XDisplay;
+      TempXDisplay := XDisplay;
 
       if (TempXDisplay <> nil) then
-        begin     
-          TempHandle := WindowHandle;
+        begin
+          TempState := XInternAtom(TempXDisplay, '_NET_WM_STATE', False);
 
-          if ValidCefWindowHandle(TempHandle) then
+          if aVisible then
+            XChangeProperty(TempXDisplay, TempHandle, TempState, XA_ATOM, 32, PropModeReplace, nil, 0)
+           else
             begin
-              TempState := XInternAtom(TempXDisplay, '_NET_WM_STATE', False);
-
-              if aVisible then
-                XChangeProperty(TempXDisplay, TempHandle, TempState, XA_ATOM, 32, PropModeReplace, nil, 0)
-               else
-                begin
-                  TempHidden := XInternAtom(TempXDisplay, '_NET_WM_STATE_HIDDEN', False);
-                  XChangeProperty(TempXDisplay, TempHandle, TempState, XA_ATOM, 32, PropModeReplace, @TempHidden, 1);
-                end;
+              TempHidden := XInternAtom(TempXDisplay, '_NET_WM_STATE_HIDDEN', False);
+              XChangeProperty(TempXDisplay, TempHandle, TempState, XA_ATOM, 32, PropModeReplace, @TempHidden, 1);
             end;
         end;
     end;
-  {$ENDIF}{$ENDIF}
-end;
-
-{$IFDEF LINUX}
-procedure TChromiumCore.UpdateBrowserSize(aLeft, aTop, aWidth, aHeight : integer);
-begin
-  if CefCurrentlyOn(TID_UI) then
-    doUpdateSize(aLeft, aTop, aWidth, aHeight)
-   else
-    ExecuteUpdateSizeTask(aLeft, aTop, aWidth, aHeight);
-end;
-
-procedure TChromiumCore.UpdateXWindowVisibility(aVisible : boolean);
-begin
-  if CefCurrentlyOn(TID_UI) then
-    doUpdateXWindowVisibility(aVisible)
-   else
-    ExecuteUpdateXWindowVisibilityTask(aVisible);
+  {$ENDIF}
 end;
 {$ENDIF}
 
@@ -6424,11 +6366,21 @@ begin
 end;
 
 procedure TChromiumCore.SendCaptureLostEvent;
+{$IFDEF LINUX}{$IFDEF FPC}
+var
+  TempXDisplay : PXDisplay;
+{$ENDIF}{$ENDIF}
 begin
-  if CefCurrentlyOn(TID_UI) then
-    doSendCaptureLostEvent
-   else
-    ExecuteSendCaptureLostEventTask;
+  if not(Initialized) then exit;
+
+  {$IFDEF LINUX}{$IFDEF FPC}
+  TempXDisplay := XDisplay;
+
+  if (TempXDisplay <> nil) then
+    XSetInputFocus(TempXDisplay, X.None, RevertToNone, CurrentTime);
+  {$ENDIF}{$ENDIF}
+
+  Browser.Host.SendCaptureLostEvent;
 end;
 
 procedure TChromiumCore.SetFocus(focus: Boolean);
diff --git a/source/uCEFInterfaces.pas b/source/uCEFInterfaces.pas
index 938bc309..f3797199 100644
--- a/source/uCEFInterfaces.pas
+++ b/source/uCEFInterfaces.pas
@@ -485,9 +485,6 @@ type
     procedure doMediaRouteCreateFinished(result: TCefMediaRouterCreateResult; const error: ustring; const route: ICefMediaRoute);
     procedure doOnMediaSinkDeviceInfo(const ip_address: ustring; port: integer; const model_name: ustring);
     procedure doBrowserNavigation(aTask : TCefBrowserNavigation);
-    procedure doUpdateSize(aLeft, aTop, aWidth, aHeight : integer);
-    procedure doSendCaptureLostEvent;
-    procedure doUpdateXWindowVisibility(aVisible : boolean);
     function  MustCreateAudioHandler : boolean;
     function  MustCreateLoadHandler : boolean;
     function  MustCreateFocusHandler : boolean;
diff --git a/source/uCEFTask.pas b/source/uCEFTask.pas
index fd5ef5d7..26a98b1f 100644
--- a/source/uCEFTask.pas
+++ b/source/uCEFTask.pas
@@ -219,45 +219,6 @@ type
       destructor  Destroy; override;
   end;
 
-  TCefUpdateSizeTask = class(TCefTaskOwn)
-    protected
-      FEvents : Pointer;
-      FLeft   : integer;
-      FTop    : integer;
-      FWidth  : integer;
-      FHeight : integer;
-
-      procedure Execute; override;
-
-    public
-      constructor Create(const aEvents : IChromiumEvents; aLeft, aTop, aWidth, aHeight : integer); reintroduce;
-      destructor  Destroy; override;
-  end;
-
-  TCefSendCaptureLostEventTask = class(TCefTaskOwn)
-    protected
-      FEvents : Pointer;
-
-      procedure Execute; override;
-
-    public
-      constructor Create(const aEvents : IChromiumEvents); reintroduce;
-      destructor  Destroy; override;
-  end;
-
-  TCefUpdateXWindowVisibilityTask = class(TCefTaskOwn)
-    protected
-      FEvents  : pointer;
-      FVisible : boolean;
-
-      procedure Execute; override;
-
-    public
-      constructor Create(const aEvents : IChromiumEvents; aVisible : boolean); reintroduce;
-      destructor  Destroy; override;
-  end;
-
-
 implementation
 
 uses
@@ -720,103 +681,4 @@ begin
   inherited Destroy;
 end;
 
-
-// TCefUpdateSizeTask
-
-procedure TCefUpdateSizeTask.Execute;
-begin
-  try
-    try
-      if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateSize(FLeft, FTop, FWidth, FHeight);
-    except
-      on e : exception do
-        if CustomExceptionHandler('TCefUpdateSizeTask.Execute', e) then raise;
-    end;
-  finally
-    FEvents := nil;
-  end;
-end;
-
-constructor TCefUpdateSizeTask.Create(const aEvents : IChromiumEvents; aLeft, aTop, aWidth, aHeight : integer);
-begin
-  inherited Create;
-
-  FEvents := Pointer(aEvents);
-  FLeft   := aLeft;
-  FTop    := aTop;
-  FWidth  := aWidth;
-  FHeight := aHeight;
-end;
-
-destructor TCefUpdateSizeTask.Destroy;
-begin
-  FEvents := nil;
-
-  inherited Destroy;
-end;
-
-
-// TCefSendCaptureLostEventTask
-
-procedure TCefSendCaptureLostEventTask.Execute;
-begin
-  try
-    try
-      if (FEvents <> nil) then IChromiumEvents(FEvents).doSendCaptureLostEvent;
-    except
-      on e : exception do
-        if CustomExceptionHandler('TCefSendCaptureLostEventTask.Execute', e) then raise;
-    end;
-  finally
-    FEvents := nil;
-  end;
-end;
-
-constructor TCefSendCaptureLostEventTask.Create(const aEvents : IChromiumEvents);
-begin
-  inherited Create;
-
-  FEvents := Pointer(aEvents);
-end;
-
-destructor TCefSendCaptureLostEventTask.Destroy;
-begin
-  FEvents := nil;
-
-  inherited Destroy;
-end;
-
-
-// TCefUpdateXWindowVisibilityTask
-
-procedure TCefUpdateXWindowVisibilityTask.Execute;
-begin
-  try
-    try
-      if (FEvents <> nil) then IChromiumEvents(FEvents).doUpdateXWindowVisibility(FVisible);
-    except
-      on e : exception do
-        if CustomExceptionHandler('TCefUpdateXWindowVisibilityTask.Execute', e) then raise;
-    end;
-  finally
-    FEvents := nil;
-  end;
-end;
-
-constructor TCefUpdateXWindowVisibilityTask.Create(const aEvents : IChromiumEvents; aVisible : boolean);
-begin
-  inherited Create;
-
-  FEvents  := Pointer(aEvents);
-  FVisible := aVisible;
-end;
-
-destructor TCefUpdateXWindowVisibilityTask.Destroy;
-begin
-  FEvents := nil;
-
-  inherited Destroy;
-end;
-
-
 end.
diff --git a/update_CEF4Delphi.json b/update_CEF4Delphi.json
index 739c4e49..dab43a16 100644
--- a/update_CEF4Delphi.json
+++ b/update_CEF4Delphi.json
@@ -2,9 +2,9 @@
   "UpdateLazPackages" : [
     {
       "ForceNotify" : true,
-      "InternalVersion" : 250,
+      "InternalVersion" : 251,
       "Name" : "cef4delphi_lazarus.lpk",
-      "Version" : "88.2.1.0"
+      "Version" : "88.2.4.0"
     }
   ],
   "UpdatePackageData" : {