diff --git a/Sources/VKSharp/Api/Generated/ImplementedMethods.txt b/Sources/VKSharp/Api/Generated/ImplementedMethods.txt
index 7449c24..1f972f4 100644
--- a/Sources/VKSharp/Api/Generated/ImplementedMethods.txt
+++ b/Sources/VKSharp/Api/Generated/ImplementedMethods.txt
@@ -1,5 +1,5 @@
 
-Implemented 145 methods
+Implemented 146 methods
 * Account
 	* account.banUser
 	* account.getAppPermissions
@@ -85,6 +85,7 @@ Implemented 145 methods
 	* messages.addChatUser
 	* messages.delete
 	* messages.deleteDialog
+	* messages.getLastActivity
 	* messages.markAsImportant
 	* messages.markAsRead
 	* messages.removeChatUser
diff --git a/Sources/VKSharp/Api/Generated/RawApi.cs b/Sources/VKSharp/Api/Generated/RawApi.cs
index 1254e1d..fb729d1 100644
--- a/Sources/VKSharp/Api/Generated/RawApi.cs
+++ b/Sources/VKSharp/Api/Generated/RawApi.cs
@@ -418,6 +418,10 @@ public async Task<string> RestoreAsync(  int messageId  ){
                 return await _parent.Executor.ExecRawAsync( _parent._reqapi.MessagesRestore( messageId ) );
             }
                     
+            public async Task<string> GetLastActivityAsync(  int userId  ){
+                return await _parent.Executor.ExecRawAsync( _parent._reqapi.MessagesGetLastActivity( userId ) );
+            }
+                    
             public async Task<string> DeleteDialogAsync(  uint userId , uint offset = 0, uint count = 100 ){
                 return await _parent.Executor.ExecRawAsync( _parent._reqapi.MessagesDeleteDialog( userId,offset,count ) );
             }
diff --git a/Sources/VKSharp/Api/Generated/RequestApi1.cs b/Sources/VKSharp/Api/Generated/RequestApi1.cs
index ac6eca5..6b0c525 100644
--- a/Sources/VKSharp/Api/Generated/RequestApi1.cs
+++ b/Sources/VKSharp/Api/Generated/RequestApi1.cs
@@ -1173,6 +1173,19 @@ int messageId
             
             return req;
         }
+        public VKRequest<LastActivity> MessagesGetLastActivity(
+             int userId 
+){
+            var req = new VKRequest<LastActivity>{
+                MethodName = "messages.getLastActivity",
+                Parameters = new Dictionary<string, string> {
+                                            { "user_id", userId.ToNCString() }
+					    }
+            };
+                req.Token = CurrentToken;
+            
+            return req;
+        }
         public VKRequest<bool> MessagesDeleteDialog(
              uint userId , uint offset = 0, uint count = 100
 ){
diff --git a/Sources/VKSharp/Api/Generated/VKSharpFuncs.xml b/Sources/VKSharp/Api/Generated/VKSharpFuncs.xml
index 4dca544..d5b0752 100644
--- a/Sources/VKSharp/Api/Generated/VKSharpFuncs.xml
+++ b/Sources/VKSharp/Api/Generated/VKSharpFuncs.xml
@@ -129,7 +129,7 @@
       <Param Name="no_search" Type="bool?" Default="null" Params="false" />
     </Params>
   </Method>
-    <Method Name="audio.getAlbums">
+  <Method Name="audio.getAlbums">
     <Request Type="EntityList&lt;AudioAlbum&gt;" NeedToken="false" />
     <Return Parse="true" Multiple="false" />
     <Params>
@@ -656,6 +656,13 @@
       <Param Name="message_id" Type="int" Params="false" />
     </Params>
   </Method>
+  <Method Name="messages.getLastActivity">
+    <Request Type="LastActivity" NeedToken="true" />
+    <Return Parse="false" Multiple="false" />
+    <Params>
+        <Param Name="user_id" Type="int" Params="false" />
+    </Params>
+  </Method>
   <Method Name="messages.deleteDialog">
     <Request Type="bool" NeedToken="true" />
     <Return Parse="false" Multiple="false" />
diff --git a/Sources/VKSharp/Api/Generated/VkApi.cs b/Sources/VKSharp/Api/Generated/VkApi.cs
index bfcbd97..4034665 100644
--- a/Sources/VKSharp/Api/Generated/VkApi.cs
+++ b/Sources/VKSharp/Api/Generated/VkApi.cs
@@ -799,6 +799,14 @@ await _parent.Executor.ExecAsync(
 								)
 								)
 								;
+							}
+												public async Task GetLastActivityAsync(  int userId  ){
+																await _parent.Executor.ExecAsync(
+								_parent._reqapi.MessagesGetLastActivity(
+									userId
+								)
+								)
+								;
 							}
 												public async Task DeleteDialogAsync(  uint userId , uint offset = 0, uint count = 100 ){
 																await _parent.Executor.ExecAsync(
diff --git a/Sources/VKSharp/Core/Entities/BanInfo.cs b/Sources/VKSharp/Core/Entities/BanInfo.cs
index 2dc7cd9..8904371 100644
--- a/Sources/VKSharp/Core/Entities/BanInfo.cs
+++ b/Sources/VKSharp/Core/Entities/BanInfo.cs
@@ -3,11 +3,10 @@
 namespace VKSharp.Core.Entities {
     public class BanInfo : IVKEntity<BanInfo> {
         public uint AdminId{ get; set; }
-        public uint AddDate { get; set; }
+        public uint Date { get; set; }
         public uint EndDate { get; set; }
         public string Reason { get; set; }
         public string Comment { get; set; }
-
-        
+        public bool CommentVisible { get; set; }
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Chat.cs b/Sources/VKSharp/Core/Entities/Chat.cs
new file mode 100644
index 0000000..edb4329
--- /dev/null
+++ b/Sources/VKSharp/Core/Entities/Chat.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VKSharp.Core.Entities {
+    public class Chat {
+        public long Id { get; set; }
+        public string Type { get; set; }
+        public string Title { get; set; }
+        public long? AdminId { get; set; }
+        public int[] Users { get; set; }
+    }
+}
diff --git a/Sources/VKSharp/Core/Entities/City.cs b/Sources/VKSharp/Core/Entities/City.cs
index b7a5b65..7c7b573 100644
--- a/Sources/VKSharp/Core/Entities/City.cs
+++ b/Sources/VKSharp/Core/Entities/City.cs
@@ -2,6 +2,8 @@
 
 namespace VKSharp.Core.Entities {
     public class DatabaseCity : DatabaseEntry, IVKEntity<DatabaseCity> {
+        public string Area { get; set; }
+        public string Region { get; set; }
         public bool Important { get; set; }
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Comment.cs b/Sources/VKSharp/Core/Entities/Comment.cs
index bc3229d..291f5ba 100644
--- a/Sources/VKSharp/Core/Entities/Comment.cs
+++ b/Sources/VKSharp/Core/Entities/Comment.cs
@@ -1,18 +1,15 @@
-using VKSharp.Core.Interfaces;
+using VKSharp.Core.EntityFragments;
+using VKSharp.Core.Interfaces;
 
 namespace VKSharp.Core.Entities {
     public class Comment : IVKEntity<Comment> {
-        
-        public Attachment[] Attachments { get; set; }
-        public CommentLikes Likes { get; set; }
+        public long Id{ get; set; }
         public int FromId{ get; set; }
-        public int ReplyToId{ get; set; }
-        public int UserId{ get; set; }
-        public string Text { get; set; }
         public uint Date { get; set; }
-        public uint Id{ get; set; }
-        public uint ReplyToCId{ get; set; }
-
-        
+        public string Text { get; set; }
+        public int ReplyToUser{ get; set; }
+        public long ReplyToComment { get; set; }
+        public Attachment[] Attachments { get; set; }
+        public CommentLikes Likes { get; set; }
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Counter.cs b/Sources/VKSharp/Core/Entities/Counter.cs
index 747cca6..836865d 100644
--- a/Sources/VKSharp/Core/Entities/Counter.cs
+++ b/Sources/VKSharp/Core/Entities/Counter.cs
@@ -2,7 +2,6 @@
 
 namespace VKSharp.Core.Entities {
     public class Counter : IVKEntity<Counter> {
-        
         public uint Count { get; set; }
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/DatabaseEntry.cs b/Sources/VKSharp/Core/Entities/DatabaseEntry.cs
index 178ce97..318beb6 100644
--- a/Sources/VKSharp/Core/Entities/DatabaseEntry.cs
+++ b/Sources/VKSharp/Core/Entities/DatabaseEntry.cs
@@ -2,10 +2,7 @@
 
 namespace VKSharp.Core.Entities {
     public class DatabaseEntry : IVKEntity<DatabaseEntry> {
-        
-
         public string Title { get; set; }
-
         public int Id { get; set; }
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Geo.cs b/Sources/VKSharp/Core/Entities/Geo.cs
index c10b83e..9e18870 100644
--- a/Sources/VKSharp/Core/Entities/Geo.cs
+++ b/Sources/VKSharp/Core/Entities/Geo.cs
@@ -1,15 +1,16 @@
 using VKSharp.Core.Interfaces;
 
 namespace VKSharp.Core.Entities {
-    public class Geo:IVKEntity<Geo> {
-        
+    //todo:check geo
+    public class Geo : IVKEntity<Geo> {
+
         public string Address { get; set; }
         public string Title { get; set; }
         public string Type { get; set; }
-        public uint CityId{ get; set; }
-        public uint CountryId{ get; set; }
-        public uint PlaceId{ get; set; }
+        public uint CityId { get; set; }
+        public uint CountryId { get; set; }
+        public uint PlaceId { get; set; }
+
 
-        
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Group.cs b/Sources/VKSharp/Core/Entities/Group.cs
index 66426fd..06ac8ba 100644
--- a/Sources/VKSharp/Core/Entities/Group.cs
+++ b/Sources/VKSharp/Core/Entities/Group.cs
@@ -7,9 +7,13 @@ public class Group:IVKEntity<Group> {
         
         public bool IsAdmin { get; set; }
         public bool IsClosed { get; set; }
+        public Deleted? Deactivated { get; set; }
+        public string Activity { get; set; }
         public bool IsMember { get; set; }
         public bool? CanCreateTopic { get; set; }
         public bool? CanPost { get; set; }
+        public bool? CanUploadDoc { get; set; }
+        public bool? CanUploadVideo { get; set; }
         public bool? CanSeeAllPosts { get; set; }
         public bool? Verified { get; set; }
         public GroupAdminLevel AdminLevel { get; set; }
@@ -17,11 +21,12 @@ public class Group:IVKEntity<Group> {
         public PageType PageType { get; set; }
         public Place Place { get; set; }
         public ProfilePhotos Photos { get; set; }
+        //todo: photos mapping(50,100,200)
         public string Contacts { get; set; }
         public string Description { get; set; }
         public string Links { get; set; }
         public string Name { get; set; }
-        public string ScreeName { get; set; }
+        public string ScreenName { get; set; }
         public string Site { get; set; }
         public string Status { get; set; }
         public string WikiPage { get; set; }
@@ -32,7 +37,10 @@ public class Group:IVKEntity<Group> {
         public uint? MembersCount { get; set; }
         public uint? PostId { get; set; }
         public uint? StartDate { get; set; }
+        public uint? FinishDate { get; set; }
+        public uint? FixedPost { get; set; }
+        public long? MainAlbumId { get; set; }
+
 
-        
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Place.cs b/Sources/VKSharp/Core/Entities/Place.cs
index 46ec7ae..af1b95d 100644
--- a/Sources/VKSharp/Core/Entities/Place.cs
+++ b/Sources/VKSharp/Core/Entities/Place.cs
@@ -2,7 +2,7 @@
 
 namespace VKSharp.Core.Entities {
     public class Place:IVKEntity<Place> {
-                public uint Id { get; set; }
+        public uint Id { get; set; }
         public uint Title { get; set; }
         public uint Latitude { get; set; }
         public uint Longitude { get; set; }
@@ -10,7 +10,5 @@ public class Place:IVKEntity<Place> {
         public string Type { get; set; }
         public uint City { get; set; }
         public string Address { get; set; }
-
-        
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/Post.cs b/Sources/VKSharp/Core/Entities/Post.cs
index 6260d06..b3fb224 100644
--- a/Sources/VKSharp/Core/Entities/Post.cs
+++ b/Sources/VKSharp/Core/Entities/Post.cs
@@ -1,4 +1,5 @@
-using VKSharp.Core.Enums;
+using VKSharp.Core.EntityFragments;
+using VKSharp.Core.Enums;
 using VKSharp.Core.Interfaces;
 
 namespace VKSharp.Core.Entities {
diff --git a/Sources/VKSharp/Core/Entities/University.cs b/Sources/VKSharp/Core/Entities/University.cs
index b6210b0..62f2a15 100644
--- a/Sources/VKSharp/Core/Entities/University.cs
+++ b/Sources/VKSharp/Core/Entities/University.cs
@@ -14,6 +14,5 @@ public class University: IVKEntity<University> {
         public uint? Faculty { get; set; }
         public ushort? Graduation { get; set; }
 
-        
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/User.cs b/Sources/VKSharp/Core/Entities/User.cs
index 8796f49..0db020b 100644
--- a/Sources/VKSharp/Core/Entities/User.cs
+++ b/Sources/VKSharp/Core/Entities/User.cs
@@ -56,7 +56,6 @@ public class User : IVKEntity<User>, IEquatable<User> {
         public string Activities { get; set; }
         public string Books { get; set; }
         public string Domain { get; set; }
-        public string FacultyName { get; set; }
         public string FirstName { get; set; }
         public string Games { get; set; }
         public string HomePhone { get; set; }
@@ -73,19 +72,24 @@ public class User : IVKEntity<User>, IEquatable<User> {
         public string Site { get; set; }
         public string Status { get; set; }
         public string Tv { get; set; }
-        public string UniversityName { get; set; }
         public StandInLife Personal { get; set;}
         public uint? CommonCount { get; set; }
         public uint Id { get; set; }
         public GeoEntry City { get; set; }
         public GeoEntry Country { get; set; }
+
+
+        //todo: move to education
+        public string UniversityName { get; set; }
+        public string FacultyName { get; set; }
         public uint? Faculty { get; set; }
+        public uint? University { get; set; }
+        public ushort? Graduation { get; set; }
+
         public uint? FollowersCount { get; set; }
         public uint? OnlineApp { get; set; }
-        public uint? University { get; set; }
         public uint[] Lists { get; set; }
         public University[] Universities { get; set; }
-        public ushort? Graduation { get; set; }
         
         public bool Equals( User other ) => !ReferenceEquals( other, null ) && Id == other.Id;
 
diff --git a/Sources/VKSharp/Core/Entities/VideoAlbum.cs b/Sources/VKSharp/Core/Entities/VideoAlbum.cs
new file mode 100644
index 0000000..4b239e7
--- /dev/null
+++ b/Sources/VKSharp/Core/Entities/VideoAlbum.cs
@@ -0,0 +1,10 @@
+using VKSharp.Core.Interfaces;
+
+namespace VKSharp.Core.Entities {
+    public class VideoAlbum : OwnedEntity<VideoAlbum> {
+        public string Title { get; set; }
+        public long? Count { get; set; }
+        public string Photo160 { get; set; }
+        public string Photo320 { get; set; }
+    }
+}
diff --git a/Sources/VKSharp/Core/Entities/CommentLikes.cs b/Sources/VKSharp/Core/EntityFragments/CommentLikes.cs
similarity index 72%
rename from Sources/VKSharp/Core/Entities/CommentLikes.cs
rename to Sources/VKSharp/Core/EntityFragments/CommentLikes.cs
index c609b11..aaa759d 100644
--- a/Sources/VKSharp/Core/Entities/CommentLikes.cs
+++ b/Sources/VKSharp/Core/EntityFragments/CommentLikes.cs
@@ -1,11 +1,10 @@
 using VKSharp.Core.Interfaces;
 
-namespace VKSharp.Core.Entities {
+namespace VKSharp.Core.EntityFragments {
     public class CommentLikes:IVKEntity<CommentLikes> {
         public uint Count { get; set; }
         public bool? UserLikes { get; set; }
         public bool? CanLike { get; set; }
-
-        
+        public bool? CanPublish { get; set; }
     }
 }
diff --git a/Sources/VKSharp/Core/Entities/PostComments.cs b/Sources/VKSharp/Core/EntityFragments/PostComments.cs
similarity index 80%
rename from Sources/VKSharp/Core/Entities/PostComments.cs
rename to Sources/VKSharp/Core/EntityFragments/PostComments.cs
index f0c9fab..cda263e 100644
--- a/Sources/VKSharp/Core/Entities/PostComments.cs
+++ b/Sources/VKSharp/Core/EntityFragments/PostComments.cs
@@ -1,10 +1,8 @@
 using VKSharp.Core.Interfaces;
 
-namespace VKSharp.Core.Entities {
+namespace VKSharp.Core.EntityFragments {
     public class PostComments:IVKEntity<PostComments> {
         public uint Count { get; set; }
         public bool? CanPost { get; set; }
-
-        
     }
 }
diff --git a/Sources/VKSharp/Core/Enums/ChangeNameStatus.cs b/Sources/VKSharp/Core/Enums/ChangeNameStatus.cs
new file mode 100644
index 0000000..7f7f450
--- /dev/null
+++ b/Sources/VKSharp/Core/Enums/ChangeNameStatus.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace VKSharp.Core.Enums {
+    public enum ChangeNameStatus {
+        Processing,
+        Declined,
+        Success,
+        WasAccepted,
+        WasDeclined
+    }
+}
diff --git a/Sources/VKSharp/Core/ResponseEntities/ChangeNameRequest.cs b/Sources/VKSharp/Core/ResponseEntities/ChangeNameRequest.cs
new file mode 100644
index 0000000..9367dd4
--- /dev/null
+++ b/Sources/VKSharp/Core/ResponseEntities/ChangeNameRequest.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using VKSharp.Core.Enums;
+
+namespace VKSharp.Core.ResponseEntities {
+    public class ChangeNameRequest {
+        public int? Id { get; set; }
+        public ChangeNameStatus? Status { get; set; }
+        public string RepeatDate { get; set; }
+        public string FirstName { get; set; }
+        public string LastName { get; set; }
+    }
+}
diff --git a/Sources/VKSharp/Core/ResponseEntities/LastActivity.cs b/Sources/VKSharp/Core/ResponseEntities/LastActivity.cs
new file mode 100644
index 0000000..253e975
--- /dev/null
+++ b/Sources/VKSharp/Core/ResponseEntities/LastActivity.cs
@@ -0,0 +1,7 @@
+using System;
+namespace VKSharp.Core.ResponseEntities {
+    public class LastActivity {
+        public bool? IsOnline { get; set; }
+        public long? Time { get; set; }
+    }
+}
diff --git a/Sources/VKSharp/Data/Executors/JsonExecutor.cs b/Sources/VKSharp/Data/Executors/JsonExecutor.cs
index b8adf45..f72545d 100644
--- a/Sources/VKSharp/Data/Executors/JsonExecutor.cs
+++ b/Sources/VKSharp/Data/Executors/JsonExecutor.cs
@@ -18,11 +18,17 @@
 namespace VKSharp.Data.Executors {
     public class JsonExecutor : IExecutor {
         static JsonExecutor() {
+            //required for parallel IO
+            //default conn limit is 2
             ServicePointManager.DefaultConnectionLimit = Math.Max( 25, ServicePointManager.DefaultConnectionLimit );
+
+            //client w compresssion
             var httpClientHandler = new HttpClientHandler();
             if ( httpClientHandler.SupportsAutomaticDecompression )
                 httpClientHandler.AutomaticDecompression = DecompressionMethods.Deflate | DecompressionMethods.GZip;
             Client = new HttpClient( httpClientHandler );
+            
+            //snake case parsing
             var snakeCaseContractResolver = new SnakeCaseContractResolver();
             snakeCaseContractResolver.DefaultMembersSearchFlags |= BindingFlags.NonPublic;
             Jsonser = new JsonSerializer { ContractResolver = snakeCaseContractResolver };
@@ -63,7 +69,6 @@ public override bool CanConvert( Type objectType ) {
                 return btype.IsEnum;
             }
             public override object ReadJson( JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer ) {
-                //base
                 var isNullable = ReflectionUtils.IsNullableType( objectType );
                 var t = isNullable ? Nullable.GetUnderlyingType( objectType ) : objectType;
                 if ( reader.TokenType == JsonToken.Null ) {
@@ -74,7 +79,8 @@ public override object ReadJson( JsonReader reader, Type objectType, object exis
                 try {
                     switch ( reader.TokenType ) {
                         case JsonToken.String:
-                            var enumText = reader.Value.ToString().ToMeth();
+                            var enumText = reader.Value.ToString()
+                                .ToMeth();//the only changed line
                             return EnumUtils.ParseEnumName( enumText, isNullable, t );
                         case JsonToken.Integer:
                             if ( !AllowIntegerValues )
diff --git a/Sources/VKSharp/VKSharp.csproj b/Sources/VKSharp/VKSharp.csproj
index bbf39ee..6175aa9 100644
--- a/Sources/VKSharp/VKSharp.csproj
+++ b/Sources/VKSharp/VKSharp.csproj
@@ -69,10 +69,15 @@
     <Compile Include="Api\RequestApi.cs" />
     <Compile Include="Api\RawApi.cs" />
     <Compile Include="Core\Entities\AudioAlbum.cs" />
+    <Compile Include="Core\Entities\Chat.cs" />
     <Compile Include="Core\Entities\Onlines.cs" />
     <Compile Include="Core\Entities\Status.cs" />
+    <Compile Include="Core\Entities\VideoAlbum.cs" />
+    <Compile Include="Core\Enums\ChangeNameStatus.cs" />
     <Compile Include="Core\ResponseEntities\AccountInfo.cs" />
     <Compile Include="Core\ResponseEntities\AuthRestore.cs" />
+    <Compile Include="Core\ResponseEntities\ChangeNameRequest.cs" />
+    <Compile Include="Core\ResponseEntities\LastActivity.cs" />
     <Compile Include="Core\ResponseEntities\PhotosUploadServer.cs" />
     <Compile Include="Core\ResponseEntities\RepostInfo.cs" />
     <Compile Include="Data\Executors\JsonExecutor.cs" />
@@ -119,7 +124,7 @@
     <Compile Include="Core\Entities\Attachment.cs" />
     <Compile Include="Core\Entities\Audio.cs" />
     <Compile Include="Core\Entities\Comment.cs" />
-    <Compile Include="Core\Entities\CommentLikes.cs" />
+    <Compile Include="Core\EntityFragments\CommentLikes.cs" />
     <Compile Include="Core\Entities\Document.cs" />
     <Compile Include="Core\Entities\Geo.cs" />
     <Compile Include="Core\Entities\Graffity.cs" />
@@ -127,7 +132,7 @@
     <Compile Include="Core\Entities\PhotoAlbum.cs" />
     <Compile Include="Core\Entities\Poll.cs" />
     <Compile Include="Core\Entities\Post.cs" />
-    <Compile Include="Core\Entities\PostComments.cs" />
+    <Compile Include="Core\EntityFragments\PostComments.cs" />
     <Compile Include="Core\Entities\PostedPhoto.cs" />
     <Compile Include="Core\Entities\PostLikes.cs" />
     <Compile Include="Core\Entities\PostReposts.cs" />