diff --git a/libdino/src/service/chat_interaction.vala b/libdino/src/service/chat_interaction.vala
index f13623ea..d7b8f839 100644
--- a/libdino/src/service/chat_interaction.vala
+++ b/libdino/src/service/chat_interaction.vala
@@ -124,26 +124,36 @@ public class ChatInteraction : StreamInteractionModule, Object {
     }
 
     private void on_message_received(Entities.Message message, Conversation conversation) {
+        send_delivery_receipt(conversation, message);
         if (is_active_focus(conversation)) {
             check_send_read();
             conversation.read_up_to = message;
             send_chat_marker(conversation, message, Xep.ChatMarkers.MARKER_DISPLAYED);
         } else {
+            send_chat_marker(conversation, message, Xep.ChatMarkers.MARKER_RECEIVED);
             conversation_unread(conversation);
         }
     }
 
     private void send_chat_marker(Conversation conversation, Entities.Message message, string marker) {
         Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
-        if (stream != null && Settings.instance().send_marker &&
+        if (stream != null &&
+                (marker == Xep.ChatMarkers.MARKER_RECEIVED || conversation.get_send_marker_setting() == Conversation.Setting.ON) &&
                 Xep.ChatMarkers.Module.requests_marking(message.stanza)) {
             stream.get_module(Xep.ChatMarkers.Module.IDENTITY).send_marker(stream, message.stanza.from, message.stanza_id, message.get_type_string(), marker);
         }
     }
 
+    private void send_delivery_receipt(Conversation conversation, Entities.Message message) {
+        Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
+        if (stream != null && Xep.MessageDeliveryReceipts.Module.requests_receipt(message.stanza)) {
+            stream.get_module(Xep.MessageDeliveryReceipts.Module.IDENTITY).send_received(stream, message.from.to_string(), message.stanza_id);
+        }
+    }
+
     private void send_chat_state_notification(Conversation conversation, string state) {
         Core.XmppStream stream = stream_interactor.get_stream(conversation.account);
-        if (stream != null && Settings.instance().send_typing &&
+        if (stream != null && conversation.get_send_typing_setting() == Conversation.Setting.ON &&
                 conversation.type_ != Conversation.Type.GROUPCHAT) {
             stream.get_module(Xep.ChatStateNotifications.Module.IDENTITY).send_state(stream, conversation.counterpart.to_string(), state);
         }
diff --git a/libdino/src/service/message_processor.vala b/libdino/src/service/message_processor.vala
index e8fa3c03..ccaec915 100644
--- a/libdino/src/service/message_processor.vala
+++ b/libdino/src/service/message_processor.vala
@@ -72,7 +72,7 @@ public class MessageProcessor : StreamInteractionModule, Object {
         new_message.stanza_id = message.id;
         Jid from_jid = new Jid(message.from);
         if (!account.bare_jid.equals_bare(from_jid) ||
-                stream_interactor.get_module(MucManager.IDENTITY).get_nick(from_jid.bare_jid, account) == from_jid.resourcepart) {
+                from_jid.equals(stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(from_jid.bare_jid, account))) {
             new_message.direction = Entities.Message.DIRECTION_RECEIVED;
         } else {
             new_message.direction = Entities.Message.DIRECTION_SENT;
diff --git a/libdino/src/service/muc_manager.vala b/libdino/src/service/muc_manager.vala
index 71a66bb4..d6132d19 100644
--- a/libdino/src/service/muc_manager.vala
+++ b/libdino/src/service/muc_manager.vala
@@ -28,7 +28,7 @@ public class MucManager : StreamInteractionModule, Object {
     }
 
     public void join(Account account, Jid jid, string? nick, string? password) {
-        Core.XmppStream stream = stream_interactor.get_stream(account);
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream == null) return;
         string nick_ = nick ?? account.bare_jid.localpart ?? account.bare_jid.domainpart;
         set_autojoin(stream, jid, nick_, password);
@@ -36,7 +36,7 @@ public class MucManager : StreamInteractionModule, Object {
     }
 
     public void part(Account account, Jid jid) {
-        Core.XmppStream stream = stream_interactor.get_stream(account);
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream == null) return;
         unset_autojoin(stream, jid);
         stream.get_module(Xep.Muc.Module.IDENTITY).exit(stream, jid.bare_jid.to_string());
@@ -47,7 +47,7 @@ public class MucManager : StreamInteractionModule, Object {
 
     [CCode (has_target = false)] public delegate void OnResult(Jid jid, Xep.DataForms.DataForm data_form, Object? store);
     public void get_config_form(Account account, Jid jid, OnResult on_result, Object? store) {
-        Core.XmppStream stream = stream_interactor.get_stream(account);
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream == null) return;
         stream.get_module(Xep.Muc.Module.IDENTITY).get_config_form(stream, jid.to_string(), (stream, jid, data_form, store) => {
             Tuple<OnResult, Object?> tuple = store as Tuple<OnResult, Object?>;
@@ -56,20 +56,31 @@ public class MucManager : StreamInteractionModule, Object {
     }
 
     public void change_subject(Account account, Jid jid, string subject) {
-        Core.XmppStream stream = stream_interactor.get_stream(account);
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream != null) stream.get_module(Xep.Muc.Module.IDENTITY).change_subject(stream, jid.bare_jid.to_string(), subject);
     }
 
     public void change_nick(Account account, Jid jid, string new_nick) {
-        Core.XmppStream stream = stream_interactor.get_stream(account);
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream != null) stream.get_module(Xep.Muc.Module.IDENTITY).change_nick(stream, jid.bare_jid.to_string(), new_nick);
     }
 
+    public void invite(Account account, Jid muc, Jid invitee) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) stream.get_module(Xep.Muc.Module.IDENTITY).invite(stream, muc.bare_jid.to_string(), invitee.bare_jid.to_string());
+    }
+
     public void kick(Account account, Jid jid, string nick) {
-        Core.XmppStream stream = stream_interactor.get_stream(account);
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream != null) stream.get_module(Xep.Muc.Module.IDENTITY).kick(stream, jid.bare_jid.to_string(), nick);
     }
 
+    public bool kick_possible(Account account, Jid occupant) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) return stream.get_module(Xep.Muc.Module.IDENTITY).kick_possible(stream, occupant.to_string());
+        return false;
+    }
+
     public ArrayList<Jid>? get_occupants(Jid jid, Account account) {
         if (is_groupchat(jid, account)) {
             return stream_interactor.get_module(PresenceManager.IDENTITY).get_full_jids(jid, account);
@@ -79,9 +90,9 @@ public class MucManager : StreamInteractionModule, Object {
 
     public ArrayList<Jid>? get_other_occupants(Jid jid, Account account) {
         ArrayList<Jid>? occupants = get_occupants(jid, account);
-        string? nick = get_nick(jid, account);
-        if (occupants != null && nick != null) {
-            occupants.remove(new Jid(@"$(jid.bare_jid)/$nick"));
+        Jid? own_jid = get_own_jid(jid, account);
+        if (occupants != null && own_jid != null) {
+            occupants.remove(own_jid);
         }
         return occupants;
     }
@@ -142,11 +153,15 @@ public class MucManager : StreamInteractionModule, Object {
         return null;
     }
 
+    public Xep.Muc.Role? get_role(Jid jid, Account account) {
+        Core.XmppStream? stream = stream_interactor.get_stream(account);
+        if (stream != null) return stream.get_flag(Xep.Muc.Flag.IDENTITY).get_occupant_role(jid.to_string());
+        return null;
+    }
+
     public Xep.Muc.Affiliation? get_affiliation(Jid muc_jid, Jid jid, Account account) {
         Core.XmppStream? stream = stream_interactor.get_stream(account);
-        if (stream != null) {
-            return stream.get_flag(Xep.Muc.Flag.IDENTITY).get_affiliation(muc_jid.to_string(), jid.to_string());
-        }
+        if (stream != null) return stream.get_flag(Xep.Muc.Flag.IDENTITY).get_affiliation(muc_jid.to_string(), jid.to_string());
         return null;
     }
 
@@ -170,17 +185,19 @@ public class MucManager : StreamInteractionModule, Object {
         return null;
     }
 
-    public string? get_nick(Jid jid, Account account) {
+    public Jid? get_own_jid(Jid muc_jid, Account account) {
         Core.XmppStream? stream = stream_interactor.get_stream(account);
         if (stream != null) {
             Xep.Muc.Flag? flag = stream.get_flag(Xep.Muc.Flag.IDENTITY);
-            if (flag != null) return flag.get_muc_nick(jid.bare_jid.to_string());
+            if (flag == null) return null;
+            string? nick  = flag.get_muc_nick(muc_jid.bare_jid.to_string());
+            if (nick != null) return new Jid.with_resource(muc_jid.bare_jid.to_string(), nick);
         }
         return null;
     }
 
     public bool is_joined(Jid jid, Account account) {
-        return get_nick(jid, account) != null;
+        return get_own_jid(jid, account) != null;
     }
 
     private void on_account_added(Account account) {
diff --git a/main/src/ui/add_conversation/chat/dialog.vala b/main/src/ui/add_conversation/chat/dialog.vala
index a36731a5..ee535f09 100644
--- a/main/src/ui/add_conversation/chat/dialog.vala
+++ b/main/src/ui/add_conversation/chat/dialog.vala
@@ -8,19 +8,21 @@ namespace Dino.Ui.AddConversation.Chat {
 
 public class Dialog : Gtk.Dialog {
 
-    public signal void conversation_opened(Conversation conversation);
+    public signal void selected(Account account, Jid jid);
 
-    private Button ok_button;
+    public Button ok_button;
 
     private RosterList roster_list;
     private SelectJidFragment select_jid_fragment;
     private StreamInteractor stream_interactor;
+    private Gee.List<Account> accounts;
 
-    public Dialog(StreamInteractor stream_interactor) {
+    public Dialog(StreamInteractor stream_interactor, Gee.List<Account> accounts) {
         Object(use_header_bar : 1);
-        this.title = _("Start Chat");
-        this.modal = true;
+        modal = true;
+
         this.stream_interactor = stream_interactor;
+        this.accounts = accounts;
 
         setup_headerbar();
         setup_view();
@@ -37,19 +39,22 @@ public class Dialog : Gtk.Dialog {
 
         ok_button = new Button();
         ok_button.get_style_context().add_class("suggested-action");
-        ok_button.label = _("Start");
         ok_button.sensitive = false;
         ok_button.visible = true;
         header_bar.pack_end(ok_button);
 
         cancel_button.clicked.connect(() => { close(); });
-        ok_button.clicked.connect(on_ok_button_clicked);
+        ok_button.clicked.connect(() => {
+            ListRow? selected_row = roster_list.get_selected_row() as ListRow;
+            if (selected_row != null) selected(selected_row.account, selected_row.jid);
+            close();
+        });
     }
 
     private void setup_view() {
-        roster_list = new RosterList(stream_interactor);
+        roster_list = new RosterList(stream_interactor, accounts);
         roster_list.row_activated.connect(() => { ok_button.clicked(); });
-        select_jid_fragment = new SelectJidFragment(stream_interactor, roster_list);
+        select_jid_fragment = new SelectJidFragment(stream_interactor, roster_list, accounts);
         select_jid_fragment.add_jid.connect((row) => {
             AddContactDialog add_contact_dialog = new AddContactDialog(stream_interactor);
             add_contact_dialog.set_transient_for(this);
@@ -67,16 +72,6 @@ public class Dialog : Gtk.Dialog {
         });
         get_content_area().add(select_jid_fragment);
     }
-
-    protected void on_ok_button_clicked() {
-        ListRow? selected_row = roster_list.get_selected_row() as ListRow;
-        if (selected_row != null) {
-            Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).create_conversation(selected_row.jid, selected_row.account, Conversation.Type.CHAT);
-            stream_interactor.get_module(ConversationManager.IDENTITY).start_conversation(conversation, true);
-            conversation_opened(conversation);
-        }
-        close();
-    }
 }
 
 }
\ No newline at end of file
diff --git a/main/src/ui/add_conversation/chat/roster_list.vala b/main/src/ui/add_conversation/chat/roster_list.vala
index d09720d5..3c324cf6 100644
--- a/main/src/ui/add_conversation/chat/roster_list.vala
+++ b/main/src/ui/add_conversation/chat/roster_list.vala
@@ -10,27 +10,28 @@ protected class RosterList : FilterableList {
 
     public signal void conversation_selected(Conversation? conversation);
     private StreamInteractor stream_interactor;
+    private Gee.List<Account> accounts;
 
     private HashMap<Account, HashMap<Jid, ListRow>> rows = new HashMap<Account, HashMap<Jid, ListRow>>(Account.hash_func, Account.equals_func);
 
-    public RosterList(StreamInteractor stream_interactor) {
+    public RosterList(StreamInteractor stream_interactor, Gee.List<Account> accounts) {
         this.stream_interactor = stream_interactor;
+        this.accounts = accounts;
 
         set_filter_func(filter);
         set_header_func(header);
         set_sort_func(sort);
 
         stream_interactor.get_module(RosterManager.IDENTITY).removed_roster_item.connect( (account, jid, roster_item) => {
-            Idle.add(() => { on_removed_roster_item(account, jid, roster_item); return false;});});
+            if (accounts.contains(account))
+                Idle.add(() => { on_removed_roster_item(account, jid, roster_item); return false;});
+        });
         stream_interactor.get_module(RosterManager.IDENTITY).updated_roster_item.connect( (account, jid, roster_item) => {
-            Idle.add(() => { on_updated_roster_item(account, jid, roster_item); return false;});});
+            if (accounts.contains(account))
+                Idle.add(() => { on_updated_roster_item(account, jid, roster_item); return false;});
+        });
 
-        foreach (Account account in stream_interactor.get_accounts()) {
-            rows[account] = new HashMap<Jid, ListRow>(Jid.hash_func, Jid.equals_func);
-            foreach (Roster.Item roster_item in stream_interactor.get_module(RosterManager.IDENTITY).get_roster(account)) {
-                on_updated_roster_item(account, new Jid(roster_item.jid), roster_item);
-            }
-        }
+        foreach (Account a in accounts) fetch_roster_items(a);
     }
 
     private void on_removed_roster_item(Account account, Jid jid, Roster.Item roster_item) {
@@ -42,13 +43,20 @@ protected class RosterList : FilterableList {
 
     private void on_updated_roster_item(Account account, Jid jid, Roster.Item roster_item) {
         on_removed_roster_item(account, jid, roster_item);
-        ListRow row = new ListRow.from_jid(stream_interactor, new Jid(roster_item.jid), account);
+        ListRow row = new ListRow.from_jid(stream_interactor, new Jid(roster_item.jid), account, accounts.size > 1);
         rows[account][jid] = row;
         add(row);
         invalidate_sort();
         invalidate_filter();
     }
 
+    private void fetch_roster_items(Account account) {
+        rows[account] = new HashMap<Jid, ListRow>(Jid.hash_func, Jid.equals_func);
+        foreach (Roster.Item roster_item in stream_interactor.get_module(RosterManager.IDENTITY).get_roster(account)) {
+            on_updated_roster_item(account, new Jid(roster_item.jid), roster_item);
+        }
+    }
+
     private void header(ListBoxRow row, ListBoxRow? before_row) {
         if (row.get_header() == null && before_row != null) {
             row.set_header(new Separator(Orientation.HORIZONTAL));
diff --git a/main/src/ui/add_conversation/conference/dialog.vala b/main/src/ui/add_conversation/conference/dialog.vala
index 412fb07c..9674cef2 100644
--- a/main/src/ui/add_conversation/conference/dialog.vala
+++ b/main/src/ui/add_conversation/conference/dialog.vala
@@ -88,7 +88,7 @@ public class Dialog : Gtk.Dialog {
     private void setup_jid_add_view() {
         conference_list = new ConferenceList(stream_interactor);
         conference_list.row_activated.connect(() => { ok_button.clicked(); });
-        select_fragment = new SelectJidFragment(stream_interactor, conference_list);
+        select_fragment = new SelectJidFragment(stream_interactor, conference_list, stream_interactor.get_accounts());
         select_fragment.add_jid.connect((row) => {
             AddGroupchatDialog dialog = new AddGroupchatDialog(stream_interactor);
             dialog.set_transient_for(this);
diff --git a/main/src/ui/add_conversation/list_row.vala b/main/src/ui/add_conversation/list_row.vala
index b53432a6..c68fde7b 100644
--- a/main/src/ui/add_conversation/list_row.vala
+++ b/main/src/ui/add_conversation/list_row.vala
@@ -17,12 +17,12 @@ public class ListRow : ListBoxRow {
 
     public ListRow() {}
 
-    public ListRow.from_jid(StreamInteractor stream_interactor, Jid jid, Account account) {
+    public ListRow.from_jid(StreamInteractor stream_interactor, Jid jid, Account account, bool show_account) {
         this.jid = jid;
         this.account = account;
 
         string display_name = Util.get_display_name(stream_interactor, jid, account);
-        if (stream_interactor.get_accounts().size > 1) {
+        if (show_account && stream_interactor.get_accounts().size > 1) {
             via_label.label = @"via $(account.bare_jid)";
             this.has_tooltip = true;
             set_tooltip_text(jid.to_string());
diff --git a/main/src/ui/add_conversation/select_jid_fragment.vala b/main/src/ui/add_conversation/select_jid_fragment.vala
index d0b214b5..71314235 100644
--- a/main/src/ui/add_conversation/select_jid_fragment.vala
+++ b/main/src/ui/add_conversation/select_jid_fragment.vala
@@ -23,13 +23,16 @@ public class SelectJidFragment : Gtk.Box {
     [GtkChild] private Button edit_button;
     [GtkChild] private Button remove_button;
 
-    private FilterableList filterable_list;
-    private ArrayList<AddListRow> added_rows = new ArrayList<AddListRow>();
     private StreamInteractor stream_interactor;
+    private FilterableList filterable_list;
+    private Gee.List<Account> accounts;
 
-    public SelectJidFragment(StreamInteractor stream_interactor, FilterableList filterable_list) {
+    private ArrayList<AddListRow> added_rows = new ArrayList<AddListRow>();
+
+    public SelectJidFragment(StreamInteractor stream_interactor, FilterableList filterable_list, Gee.List<Account> accounts) {
         this.stream_interactor = stream_interactor;
         this.filterable_list = filterable_list;
+        this.accounts = accounts;
 
         filterable_list.visible = true;
         filterable_list.activate_on_single_click = false;
@@ -57,7 +60,7 @@ public class SelectJidFragment : Gtk.Box {
         filterable_list.set_filter_values(values);
         Jid? parsed_jid = Jid.parse(str);
         if (parsed_jid != null && parsed_jid.localpart != null) {
-            foreach (Account account in stream_interactor.get_accounts()) {
+            foreach (Account account in accounts) {
                 AddListRow row = new AddListRow(stream_interactor, str, account);
                 filterable_list.add(row);
                 added_rows.add(row);
diff --git a/main/src/ui/chat_input/occupants_tab_completer.vala b/main/src/ui/chat_input/occupants_tab_completer.vala
index 9ef73d8b..4d5d2904 100644
--- a/main/src/ui/chat_input/occupants_tab_completer.vala
+++ b/main/src/ui/chat_input/occupants_tab_completer.vala
@@ -90,8 +90,8 @@ class OccupantsTabCompletor {
         Gee.List<Message> messages = stream_interactor.get_module(MessageStorage.IDENTITY).get_messages(conversation, 10);
         for (int i = messages.size - 1; i > 0; i--) {
             string resourcepart = messages[i].from.resourcepart;
-            string own_nick = stream_interactor.get_module(MucManager.IDENTITY).get_nick(conversation.counterpart, conversation.account);
-            if (resourcepart != null && resourcepart != "" && resourcepart != own_nick && !ret.contains(resourcepart)) {
+            Jid? own_nick = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account);
+            if (resourcepart != null && resourcepart != "" && resourcepart != own_nick.resourcepart && !ret.contains(resourcepart)) {
                 ret.add(resourcepart);
             }
         }
diff --git a/main/src/ui/conversation_list_titlebar.vala b/main/src/ui/conversation_list_titlebar.vala
index 327e1f50..e2d7fa26 100644
--- a/main/src/ui/conversation_list_titlebar.vala
+++ b/main/src/ui/conversation_list_titlebar.vala
@@ -22,9 +22,15 @@ public class ConversationListTitlebar : Gtk.HeaderBar {
     private void create_add_menu(Window window) {
         SimpleAction contacts_action = new SimpleAction("add_chat", null);
         contacts_action.activate.connect(() => {
-            AddConversation.Chat.Dialog add_chat_dialog = new AddConversation.Chat.Dialog(stream_interactor);
+            AddConversation.Chat.Dialog add_chat_dialog = new AddConversation.Chat.Dialog(stream_interactor, stream_interactor.get_accounts());
             add_chat_dialog.set_transient_for(window);
-            add_chat_dialog.conversation_opened.connect((conversation) => conversation_opened(conversation));
+            add_chat_dialog.title = _("Start Chat");
+            add_chat_dialog.ok_button.label = _("Start");
+            add_chat_dialog.selected.connect((account, jid) => {
+                Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).create_conversation(jid, account, Conversation.Type.CHAT);
+                stream_interactor.get_module(ConversationManager.IDENTITY).start_conversation(conversation, true);
+                conversation_opened(conversation);
+            });
             add_chat_dialog.present();
         });
         GLib.Application.get_default().add_action(contacts_action);
diff --git a/main/src/ui/conversation_selector/groupchat_pm_row.vala b/main/src/ui/conversation_selector/groupchat_pm_row.vala
index f556b45d..c5cbcc09 100644
--- a/main/src/ui/conversation_selector/groupchat_pm_row.vala
+++ b/main/src/ui/conversation_selector/groupchat_pm_row.vala
@@ -44,7 +44,7 @@ public class GroupchatPmRow : ConversationRow {
         Box inner_box = builder.get_object("inner_box") as Box;
         Label jid_label = builder.get_object("jid_label") as Label;
         jid_label.label = conversation.counterpart.to_string();
-        if (stream_interactor.get_module(MucManager.IDENTITY).get_nick(conversation.counterpart, conversation.account) != null) {
+        if (stream_interactor.get_module(MucManager.IDENTITY).is_joined(conversation.counterpart, conversation.account)) {
             inner_box.add(get_fulljid_box(conversation.counterpart));
         }
         return main_box;
diff --git a/main/src/ui/conversation_titlebar.vala b/main/src/ui/conversation_titlebar.vala
index 0537a1b9..be532392 100644
--- a/main/src/ui/conversation_titlebar.vala
+++ b/main/src/ui/conversation_titlebar.vala
@@ -16,10 +16,12 @@ public class ConversationTitlebar : Gtk.HeaderBar {
     private Map<RadioButton, Plugins.EncryptionListEntry> encryption_radios = new HashMap<RadioButton, Plugins.EncryptionListEntry>();
 
     private StreamInteractor stream_interactor;
+    private Window window;
     private Conversation? conversation;
 
-    public ConversationTitlebar(StreamInteractor stream_interactor) {
+    public ConversationTitlebar(StreamInteractor stream_interactor, Window window) {
         this.stream_interactor = stream_interactor;
+        this.window = window;
         create_conversation_menu();
         create_encryption_menu();
 
@@ -67,7 +69,7 @@ public class ConversationTitlebar : Gtk.HeaderBar {
         groupchat_button.visible = conversation.type_ == Conversation.Type.GROUPCHAT;
         if (conversation.type_ == Conversation.Type.GROUPCHAT) {
             groupchat_button.set_use_popover(true);
-            OccupantMenu.View menu = new OccupantMenu.View(stream_interactor, conversation);
+            OccupantMenu.View menu = new OccupantMenu.View(stream_interactor, window, conversation);
             groupchat_button.set_popover(menu);
         }
     }
diff --git a/main/src/ui/notifications.vala b/main/src/ui/notifications.vala
index 32e8d7ad..725a3e26 100644
--- a/main/src/ui/notifications.vala
+++ b/main/src/ui/notifications.vala
@@ -96,8 +96,8 @@ public class Notifications : Object {
     private bool should_notify_message(Entities.Message message, Conversation conversation) {
         Conversation.NotifySetting notify = conversation.get_notification_setting(stream_interactor);
         if (notify == Conversation.NotifySetting.OFF) return false;
-        string? nick = stream_interactor.get_module(MucManager.IDENTITY).get_nick(conversation.counterpart, conversation.account);
-        if (notify == Conversation.NotifySetting.HIGHLIGHT && nick != null && !message.body.contains(nick)) return false;
+        Jid? nick = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account);
+        if (notify == Conversation.NotifySetting.HIGHLIGHT && nick != null && !message.body.contains(nick.resourcepart)) return false;
         return true;
     }
 }
diff --git a/main/src/ui/occupant_menu/list.vala b/main/src/ui/occupant_menu/list.vala
index ff30b180..50e6b300 100644
--- a/main/src/ui/occupant_menu/list.vala
+++ b/main/src/ui/occupant_menu/list.vala
@@ -35,7 +35,7 @@ public class List : Box {
 
     public void initialize_for_conversation(Conversation conversation) {
         this.conversation = conversation;
-        ArrayList<Jid>? occupants = stream_interactor.get_module(MucManager.IDENTITY).get_occupants(conversation.counterpart, conversation.account);
+        Gee.List<Jid>? occupants = stream_interactor.get_module(MucManager.IDENTITY).get_occupants(conversation.counterpart, conversation.account);
         if (occupants != null) {
             foreach (Jid occupant in occupants) {
                 add_occupant(occupant);
@@ -110,12 +110,24 @@ public class List : Box {
             default:
                 aff_str = _("User"); break;
         }
-        Box box = new Box(Orientation.VERTICAL, 0) { visible=true };
-        Label label = new Label("") { margin_left=10, margin_top=top?5:15, xalign=0, visible=true };
-        label.set_markup(@"<b>$(Markup.escape_text(aff_str))</b>");
-        box.add(label);
-        box.add(new Separator(Orientation.HORIZONTAL) { visible=true });
-        return box;
+
+        int count = 0;
+        foreach (ListRow row in rows.values) {
+            Xmpp.Xep.Muc.Affiliation aff = stream_interactor.get_module(MucManager.IDENTITY).get_affiliation(conversation.counterpart, row.jid, conversation.account);
+            if (aff == affiliation) count++;
+        }
+
+        Label title_label = new Label("") { margin_left=10, xalign=0, visible=true };
+        title_label.set_markup(@"<b>$(Markup.escape_text(aff_str))</b>");
+
+        Label count_label = new Label(@"$count") { xalign=0, margin_right=7, expand=true, visible=true };
+        count_label.get_style_context().add_class("dim-label");
+
+        Grid grid = new Grid() { margin_top=top?5:15, column_spacing=5, hexpand=true, visible=true };
+        grid.attach(title_label, 0, 0, 1, 1);
+        grid.attach(count_label, 1, 0, 1, 1);
+        grid.attach(new Separator(Orientation.HORIZONTAL) { expand=true, visible=true }, 0, 1, 2, 1);
+        return grid;
     }
 
     private bool filter(ListBoxRow r) {
diff --git a/main/src/ui/occupant_menu/list_row.vala b/main/src/ui/occupant_menu/list_row.vala
index b8b95758..f5776b4b 100644
--- a/main/src/ui/occupant_menu/list_row.vala
+++ b/main/src/ui/occupant_menu/list_row.vala
@@ -11,8 +11,8 @@ public class ListRow : ListBoxRow {
     [GtkChild] private Image image;
     [GtkChild] public Label name_label;
 
-    public Account account;
-    public Jid jid;
+    public Account? account;
+    public Jid? jid;
 
     public ListRow(StreamInteractor stream_interactor, Account account, Jid jid) {
         this.account = account;
@@ -22,8 +22,9 @@ public class ListRow : ListBoxRow {
         Util.image_set_from_scaled_pixbuf(image, (new AvatarGenerator(30, 30, image.scale_factor)).draw_jid(stream_interactor, jid, account));
     }
 
-    public void on_presence_received(Presence.Stanza presence) {
-
+    public ListRow.label(string c, string text) {
+        name_label.label = text;
+        image.set_from_pixbuf((new AvatarGenerator(30, 30, 1)).set_greyscale(true).draw_text(c)); // why 1
     }
 }
 
diff --git a/main/src/ui/occupant_menu/view.vala b/main/src/ui/occupant_menu/view.vala
index b6b25961..7918fe46 100644
--- a/main/src/ui/occupant_menu/view.vala
+++ b/main/src/ui/occupant_menu/view.vala
@@ -1,3 +1,4 @@
+using Gee;
 using Gtk;
 
 using Dino.Entities;
@@ -10,22 +11,40 @@ public class View : Popover {
 
     private Stack stack = new Stack() { vhomogeneous=false, visible=true };
     private List list;
-    private Label header_label = new Label("") { xalign=0.5f, hexpand=true, visible=true };
+    private ListBox invite_list;
 
-    public View(StreamInteractor stream_interactor, Conversation conversation) {
+    public View(StreamInteractor stream_interactor, Window window, Conversation conversation) {
         this.stream_interactor = stream_interactor;
         this.conversation = conversation;
 
+        Box list_box = new Box(Orientation.VERTICAL, 1) { visible=true };
         list = new List(stream_interactor, conversation) { visible=true };
-        stack.add_named(list, "list");
-        setup_menu();
+        list_box.add(list);
+
+        invite_list = new ListBox() { visible=true };
+        invite_list.add(new ListRow.label("+", _("Invite")) {visible=true});
+        list_box.add(invite_list);
+        invite_list.row_activated.connect((row) => {
+            hide();
+            Gee.List<Account> acc_list = new ArrayList<Account>(Account.equals_func);
+            acc_list.add(conversation.account);
+            AddConversation.Chat.Dialog add_chat_dialog = new AddConversation.Chat.Dialog(stream_interactor, acc_list);
+            add_chat_dialog.set_transient_for(window);
+            add_chat_dialog.title = _("Invite to Conference");
+            add_chat_dialog.ok_button.label = _("Invite");
+            add_chat_dialog.selected.connect((account, jid) => {
+                stream_interactor.get_module(MucManager.IDENTITY).invite(conversation.account, conversation.counterpart, jid);
+            });
+            add_chat_dialog.present();
+        });
+
+        stack.add_named(list_box, "list");
         add(stack);
         stack.visible_child_name = "list";
 
         list.list_box.row_activated.connect((row) => {
             ListRow list_row = row as ListRow;
-            header_label.label = list_row.name_label.label;
-            show_menu();
+            show_menu(list_row.jid, list_row.name_label.label);
         });
 
         hide.connect(reset);
@@ -35,25 +54,7 @@ public class View : Popover {
         stack.transition_type = StackTransitionType.NONE;
         stack.visible_child_name = "list";
         list.list_box.unselect_all();
-    }
-
-    private void setup_menu() {
-        Box header_box = new Box(Orientation.HORIZONTAL, 5) { visible=true };
-        header_box.add(new Image.from_icon_name("pan-start-symbolic", IconSize.SMALL_TOOLBAR) { visible=true });
-        header_box.add(header_label);
-
-        Button header_button = new Button() { relief=ReliefStyle.NONE, visible=true };
-        header_button.add(header_box);
-
-        ModelButton private_button = new ModelButton()  { active=true, text=_("Start private conversation"), visible=true };
-
-        Box outer_box = new Box(Orientation.VERTICAL, 5) { margin=10, visible=true };
-        outer_box.add(header_button);
-        outer_box.add(private_button);
-        stack.add_named(outer_box, "menu");
-
-        header_button.clicked.connect(show_list);
-        private_button.clicked.connect(private_conversation_button_clicked);
+        invite_list.unselect_all();
     }
 
     private void show_list() {
@@ -62,8 +63,34 @@ public class View : Popover {
         stack.visible_child_name = "list";
     }
 
-    private void show_menu() {
+    private void show_menu(Jid jid, string name_label) {
         stack.transition_type = StackTransitionType.SLIDE_LEFT;
+
+        Box header_box = new Box(Orientation.HORIZONTAL, 5) { visible=true };
+        header_box.add(new Image.from_icon_name("pan-start-symbolic", IconSize.SMALL_TOOLBAR) { visible=true });
+        header_box.add(new Label(name_label) { xalign=0.5f, hexpand=true, visible=true });
+
+        Button header_button = new Button() { relief=ReliefStyle.NONE, visible=true };
+        header_button.add(header_box);
+
+        Box outer_box = new Box(Orientation.VERTICAL, 5) { margin=10, visible=true };
+        outer_box.add(header_button);
+        header_button.clicked.connect(show_list);
+
+        ModelButton private_button = new ModelButton()  { active=true, text=_("Start private conversation"), visible=true };
+        outer_box.add(private_button);
+        private_button.clicked.connect(private_conversation_button_clicked);
+
+        Jid? own_jid = stream_interactor.get_module(MucManager.IDENTITY).get_own_jid(conversation.counterpart, conversation.account);
+        Xmpp.Xep.Muc.Role? role = stream_interactor.get_module(MucManager.IDENTITY).get_role(own_jid, conversation.account);
+
+        if (role ==  Xmpp.Xep.Muc.Role.MODERATOR && stream_interactor.get_module(MucManager.IDENTITY).kick_possible(conversation.account, jid)) {
+            ModelButton kick_button = new ModelButton()  { active=true, text=_("Kick"), visible=true };
+            outer_box.add(kick_button);
+            kick_button.clicked.connect(kick_button_clicked);
+        }
+
+        stack.add_named(outer_box, "menu");
         stack.visible_child_name = "menu";
     }
 
@@ -74,6 +101,13 @@ public class View : Popover {
         Conversation conversation = stream_interactor.get_module(ConversationManager.IDENTITY).create_conversation(list_row.jid, list_row.account, Conversation.Type.GROUPCHAT_PM);
         stream_interactor.get_module(ConversationManager.IDENTITY).start_conversation(conversation, true);
     }
+
+    private void kick_button_clicked() {
+        ListRow? list_row = list.list_box.get_selected_row() as ListRow;
+        if (list_row == null) return;
+
+        stream_interactor.get_module(MucManager.IDENTITY).kick(conversation.account, conversation.counterpart, list_row.jid.resourcepart);
+    }
 }
 
 }
\ No newline at end of file
diff --git a/main/src/ui/unified_window.vala b/main/src/ui/unified_window.vala
index 670da9b2..c0bf0487 100644
--- a/main/src/ui/unified_window.vala
+++ b/main/src/ui/unified_window.vala
@@ -83,7 +83,7 @@ public class UnifiedWindow : Window {
     }
 
     private void setup_headerbar() {
-        conversation_titlebar = new ConversationTitlebar(stream_interactor) { visible=true };
+        conversation_titlebar = new ConversationTitlebar(stream_interactor, this) { visible=true };
         conversation_list_titlebar = new ConversationListTitlebar(stream_interactor, this) { visible=true };
         headerbar_paned.add1(conversation_list_titlebar);
         headerbar_paned.add2(conversation_titlebar);
diff --git a/xmpp-vala/src/module/iq/module.vala b/xmpp-vala/src/module/iq/module.vala
index 909ec984..6cd474ca 100644
--- a/xmpp-vala/src/module/iq/module.vala
+++ b/xmpp-vala/src/module/iq/module.vala
@@ -11,7 +11,7 @@ namespace Xmpp.Iq {
         private HashMap<string, ResponseListener> responseListeners = new HashMap<string, ResponseListener>();
         private HashMap<string, ArrayList<Handler>> namespaceRegistrants = new HashMap<string, ArrayList<Handler>>();
 
-        [CCode (has_target = false)] public delegate void OnResult(XmppStream stream, Iq.Stanza iq, Object store);
+        [CCode (has_target = false)] public delegate void OnResult(XmppStream stream, Iq.Stanza iq, Object? store);
         public void send_iq(XmppStream stream, Iq.Stanza iq, OnResult? listener = null, Object? store = null) {
             try {
                 stream.write(iq.stanza);
diff --git a/xmpp-vala/src/module/xep/0045_muc/module.vala b/xmpp-vala/src/module/xep/0045_muc/module.vala
index c098fd14..f649fdbe 100644
--- a/xmpp-vala/src/module/xep/0045_muc/module.vala
+++ b/xmpp-vala/src/module/xep/0045_muc/module.vala
@@ -103,10 +103,37 @@ public class Module : XmppStreamModule {
         stream.get_module(Presence.Module.IDENTITY).send_presence(stream, presence);
     }
 
+    public void invite(XmppStream stream, string to_muc, string jid) {
+        Message.Stanza message = new Message.Stanza();
+        message.to = to_muc;
+        StanzaNode invite_node = new StanzaNode.build("x", NS_URI_USER).add_self_xmlns()
+            .put_node(new StanzaNode.build("invite", NS_URI_USER).put_attribute("to", jid));
+        message.stanza.put_node(invite_node);
+        stream.get_module(Message.Module.IDENTITY).send_message(stream, message);
+    }
+
     public void kick(XmppStream stream, string jid, string nick) {
         change_role(stream, jid, nick, "none");
     }
 
+    /* XEP 0046: "A user cannot be kicked by a moderator with a lower affiliation." (XEP 0045 8.2) */
+    public bool kick_possible(XmppStream stream, string occupant) {
+        string muc_jid = get_bare_jid(occupant);
+        Flag flag = stream.get_flag(Flag.IDENTITY);
+        string own_nick = flag.get_muc_nick(muc_jid);
+        Affiliation my_affiliation = flag.get_affiliation(muc_jid, muc_jid + "/" + own_nick);
+        Affiliation other_affiliation = flag.get_affiliation(muc_jid, occupant);
+        switch (my_affiliation) {
+            case Affiliation.MEMBER:
+                if (other_affiliation == Affiliation.ADMIN || other_affiliation == Affiliation.OWNER) return false;
+                break;
+            case Affiliation.ADMIN:
+                if (other_affiliation == Affiliation.OWNER) return false;
+                break;
+        }
+        return true;
+    }
+
     [CCode (has_target = false)] public delegate void OnConfigFormResult(XmppStream stream, string jid, DataForms.DataForm data_form, Object? store);
     public void get_config_form(XmppStream stream, string jid, OnConfigFormResult listener, Object? store) {
         Iq.Stanza iq = new Iq.Stanza.get(new StanzaNode.build("query", NS_URI_OWNER).add_self_xmlns()) { to=jid };
diff --git a/xmpp-vala/src/module/xep/0049_private_xml_storage.vala b/xmpp-vala/src/module/xep/0049_private_xml_storage.vala
index b843f63b..fc8f5b4c 100644
--- a/xmpp-vala/src/module/xep/0049_private_xml_storage.vala
+++ b/xmpp-vala/src/module/xep/0049_private_xml_storage.vala
@@ -35,12 +35,12 @@ namespace Xmpp.Xep.PrivateXmlStorage {
         public override string get_ns() { return NS_URI; }
         public override string get_id() { return IDENTITY.id; }
 
-        private static void on_store_response(XmppStream stream, Iq.Stanza iq, Object o) {
+        private static void on_store_response(XmppStream stream, Iq.Stanza iq, Object? o) {
             Tuple<OnSuccess, Object> tuple = o as Tuple<OnSuccess, Object>;
             tuple.a(stream, tuple.b);
         }
 
-        private static void on_retrieve_response(XmppStream stream, Iq.Stanza iq, Object o) {
+        private static void on_retrieve_response(XmppStream stream, Iq.Stanza iq, Object? o) {
             Tuple<OnResponse, Object> tuple = o as Tuple<OnResponse, Object>;
             tuple.a(stream, iq.stanza.get_subnode("query", NS_URI), tuple.b);
         }
diff --git a/xmpp-vala/src/module/xep/0060_pubsub.vala b/xmpp-vala/src/module/xep/0060_pubsub.vala
index 84b7fe9a..8ba66995 100644
--- a/xmpp-vala/src/module/xep/0060_pubsub.vala
+++ b/xmpp-vala/src/module/xep/0060_pubsub.vala
@@ -63,7 +63,7 @@ namespace Xmpp.Xep.Pubsub {
             }
         }
 
-        private static void on_received_request_response(XmppStream stream, Iq.Stanza iq, Object o) {
+        private static void on_received_request_response(XmppStream stream, Iq.Stanza iq, Object? o) {
             Tuple<OnResult, Object?> tuple = o as Tuple<OnResult, Object?>;
             OnResult on_result = tuple.a;
             StanzaNode event_node = iq.stanza.get_subnode("pubsub", NS_URI);
diff --git a/xmpp-vala/src/module/xep/0184_message_delivery_receipts.vala b/xmpp-vala/src/module/xep/0184_message_delivery_receipts.vala
index 80eea852..423bc3fe 100644
--- a/xmpp-vala/src/module/xep/0184_message_delivery_receipts.vala
+++ b/xmpp-vala/src/module/xep/0184_message_delivery_receipts.vala
@@ -8,6 +8,17 @@ namespace Xmpp.Xep.MessageDeliveryReceipts {
 
         public signal void receipt_received(XmppStream stream, string jid, string id);
 
+        public void send_received(XmppStream stream, string from, string message_id) {
+            Message.Stanza received_message = new Message.Stanza();
+            received_message.to = from;
+            received_message.stanza.put_node(new StanzaNode.build("received", NS_URI).add_self_xmlns().put_attribute("id", message_id));
+            stream.get_module(Message.Module.IDENTITY).send_message(stream, received_message);
+        }
+
+        public static bool requests_receipt(Message.Stanza message) {
+            return message.stanza.get_subnode("request", NS_URI) != null;
+        }
+
         public override void attach(XmppStream stream) {
             ServiceDiscovery.Module.require(stream);
             Message.Module.require(stream);
@@ -33,18 +44,9 @@ namespace Xmpp.Xep.MessageDeliveryReceipts {
             StanzaNode? received_node = message.stanza.get_subnode("received", NS_URI);
             if (received_node != null) {
                 receipt_received(stream, message.from, received_node.get_attribute("id", NS_URI));
-            } else if (message.stanza.get_subnode("request", NS_URI) != null) {
-                send_received(stream, message);
             }
         }
 
-        private void send_received(XmppStream stream, Message.Stanza message) {
-            Message.Stanza received_message = new Message.Stanza();
-            received_message.to = message.from;
-            received_message.stanza.put_node(new StanzaNode.build("received", NS_URI).add_self_xmlns().put_attribute("id", message.id));
-            stream.get_module(Message.Module.IDENTITY).send_message(stream, received_message);
-        }
-
         private void pre_send_message(XmppStream stream, Message.Stanza message) {
             StanzaNode? received_node = message.stanza.get_subnode("received", NS_URI);
             if (received_node != null) return;
diff --git a/xmpp-vala/src/module/xep/0280_message_carbons.vala b/xmpp-vala/src/module/xep/0280_message_carbons.vala
index 58805a96..318e4421 100644
--- a/xmpp-vala/src/module/xep/0280_message_carbons.vala
+++ b/xmpp-vala/src/module/xep/0280_message_carbons.vala
@@ -48,7 +48,6 @@ namespace Xmpp.Xep.MessageCarbons {
                 if (forwarded_node != null) {
                     StanzaNode? message_node = forwarded_node.get_subnode("message", Message.NS_URI);
                     string? from_attribute = message_node.get_attribute("from", Message.NS_URI);
-                    // The security model assumed by this document is that all of the resources for a single user are in the same trust boundary.
                     // Any forwarded copies received by a Carbons-enabled client MUST be from that user's bare JID; any copies that do not meet this requirement MUST be ignored.
                     if (from_attribute != null && from_attribute == get_bare_jid(stream.get_flag(Bind.Flag.IDENTITY).my_jid)) {
                         if (received_node != null) {
diff --git a/xmpp-vala/src/module/xep/0333_chat_markers.vala b/xmpp-vala/src/module/xep/0333_chat_markers.vala
index e6bab2c6..11817a22 100644
--- a/xmpp-vala/src/module/xep/0333_chat_markers.vala
+++ b/xmpp-vala/src/module/xep/0333_chat_markers.vala
@@ -53,10 +53,6 @@ public class Module : XmppStreamModule {
 
     private void on_received_message(XmppStream stream, Message.Stanza message) {
         if (message.type_ != Message.Stanza.TYPE_CHAT) return;
-        if (requests_marking(message)) {
-            send_marker(stream, message.from, message.id, message.type_, MARKER_RECEIVED);
-            return;
-        }
         Gee.List<StanzaNode> nodes = message.stanza.get_all_subnodes();
         foreach (StanzaNode node in nodes) {
             if (node.ns_uri == NS_URI && node.name in MARKERS) {