diff --git a/src/app/commoncomponents/MessageBubble.qml b/src/app/commoncomponents/MessageBubble.qml
index 34e8e068c567f2b8464d363f8baeac6370b17150..e62030ac59245dba1de1fbfa307232084d40ed7b 100644
--- a/src/app/commoncomponents/MessageBubble.qml
+++ b/src/app/commoncomponents/MessageBubble.qml
@@ -18,29 +18,26 @@
 
 import QtQuick
 import Qt5Compat.GraphicalEffects
-
 import net.jami.Constants 1.1
 
+
+
 Rectangle {
     id: root
-
     property bool out: true
     property int type: MsgSeq.single
-
     Rectangle {
         id: mask
-
         visible: type !== MsgSeq.single
         z: -1
-        radius: 2
+        radius: 5
         color: root.color
-
         anchors {
             fill: parent
-            leftMargin: out ? root.width - root.radius : 0
-            rightMargin: out ? 0 : root.width - root.radius
-            topMargin: type === MsgSeq.first ? root.height - root.radius : 0
-            bottomMargin: type === MsgSeq.last ? root.height - root.radius : 0
+            leftMargin: out ? root.width/2  : 0
+            rightMargin: out ? 0 : root.width/2
+            topMargin: type === MsgSeq.first ? root.height /2 : 0
+            bottomMargin: type === MsgSeq.last ? root.height /2 : 0
         }
     }
 }
diff --git a/src/app/commoncomponents/SBSMessageBase.qml b/src/app/commoncomponents/SBSMessageBase.qml
index d2ed10e6018c7f2d8fe8bb5a6fda07ba45cee2f0..7a251ea7f59b39679311ed363a643da0278881d0 100644
--- a/src/app/commoncomponents/SBSMessageBase.qml
+++ b/src/app/commoncomponents/SBSMessageBase.qml
@@ -25,6 +25,7 @@ import net.jami.Models 1.1
 import net.jami.Adapters 1.1
 import net.jami.Constants 1.1
 
+
 Control {
     id: root
 
@@ -39,6 +40,7 @@ Control {
     property int seq
     property string author
     property string transferId
+    property string registeredNameText
     property string transferName
     property string formattedTime
     property string location
@@ -46,8 +48,8 @@ Control {
     property var readers: []
 
     readonly property real senderMargin: 64
-    readonly property real avatarSize: 32
-    readonly property real msgRadius: 18
+    readonly property real avatarSize: 20
+    readonly property real msgRadius: 20
     readonly property real hPadding: JamiTheme.sbsMessageBasePreferredPadding
 
     width: ListView.view ? ListView.view.width : 0
@@ -63,15 +65,35 @@ Control {
 
         width: parent.width - hPadding * 2
 
-        spacing: 2
+        spacing: 0
+
+        Item {
+
+            id: usernameblock
+            Layout.preferredHeight: (seq === MsgSeq.first || seq === MsgSeq.single) ? 10 : 0
+
+            Label {
+                id: username
+                text: chatView.headerUserUserNameLabelText
+                font.bold: true
+                visible: (seq === MsgSeq.first || seq === MsgSeq.single) && !isOutgoing
+                font.pixelSize: JamiTheme.usernameBlockFontSize
+                font.family: JamiTheme.chatviewFontFamily
+                color: JamiTheme.chatviewUsernameColor
+                lineHeight: JamiTheme.usernameBlockLineHeight
+                leftPadding: JamiTheme.usernameBlockPadding
+            }
+        }
+
 
         RowLayout {
             Layout.preferredHeight: innerContent.height + root.extraHeight
             Layout.topMargin: (seq === MsgSeq.first || seq === MsgSeq.single) ? 6 : 0
-            spacing: 0
+
+
             Item {
                 id: avatarBlock
-                Layout.preferredWidth: isOutgoing ? 0 : avatar.width + hPadding
+                Layout.preferredWidth: isOutgoing ? 0 : avatar.width + hPadding/3
                 Layout.preferredHeight: isOutgoing ? 0 : bubble.height
                 Avatar {
                     id: avatar
@@ -90,6 +112,7 @@ Control {
                 Column {
                     id: innerContent
                     width: parent.width
+
                     // place actual content here
                 }
                 MessageBubble {
@@ -102,11 +125,13 @@ Control {
                                CurrentConversation.isCoreDialog ? JamiTheme.messageInBgColor : Qt.lighter(CurrentConversation.color, 1.5)
                     radius: msgRadius
                     anchors.right: isOutgoing ? parent.right : undefined
+                    anchors.top: parent.top
                     width: innerContent.childrenRect.width
                     height: innerContent.childrenRect.height + (visible ? root.extraHeight : 0)
                 }
             }
         }
+
         ListView {
             id: infoCell
 
@@ -120,6 +145,7 @@ Control {
                 return 0
             }
 
+
             Label {
                 id: formattedTimeLabel
 
@@ -128,13 +154,15 @@ Control {
                 visible: showTime || seq === MsgSeq.last
                 height: visible * implicitHeight
                 font.pointSize: 9
-
+                topPadding : 4
                 anchors.right: !isOutgoing ? undefined : reads.left
                 anchors.rightMargin: 8
                 anchors.left: isOutgoing ? undefined : parent.left
                 anchors.leftMargin: avatarBlockWidth + 6
             }
+
             ReadStatus {
+
                 id: reads
                 visible: root.readers.length !== 0 && CurrentAccount.sendReadReceipt
                 width: {
@@ -144,7 +172,10 @@ Control {
                     var margin = JamiTheme.avatarReadReceiptSize / 3
                     return nbAvatars * JamiTheme.avatarReadReceiptSize - (nbAvatars - 1) * margin
                 }
+
                 anchors.right: parent.right
+                anchors.top : parent.top
+                anchors.topMargin: 1
                 readers: root.readers
             }
         }
diff --git a/src/app/commoncomponents/TextMessageDelegate.qml b/src/app/commoncomponents/TextMessageDelegate.qml
index abe8e3feb14801666291833da5d0841971ee0e71..c816673f1ef3d5c6f9b04da6d215e90966ccf04c 100644
--- a/src/app/commoncomponents/TextMessageDelegate.qml
+++ b/src/app/commoncomponents/TextMessageDelegate.qml
@@ -31,6 +31,7 @@ SBSMessageBase {
     id : root
 
     property bool isRemoteImage
+
     property real maxMsgWidth: root.width - senderMargin - 2 * hPadding - avatarBlockWidth
 
     isOutgoing: Author === ""
@@ -38,23 +39,31 @@ SBSMessageBase {
     readers: Readers
     formattedTime: MessagesAdapter.getFormattedTime(Timestamp)
     extraHeight: extraContent.active && !isRemoteImage ? msgRadius : -isRemoteImage
+
     innerContent.children: [
         TextEdit {
-            padding: 10
+
+            padding: JamiTheme.chatviewPadding
             anchors.right: isOutgoing ? parent.right : undefined
+
             text: Body
+
+            horizontalAlignment: isOutgoing ?  Text.AlignRight : Text.AlignLeft
+
             width: {
                 if (extraContent.active)
                     Math.max(extraContent.width,
                              Math.min(implicitWidth - avatarBlockWidth,
-                                      extraContent.minSize) - senderMargin)
+                                      extraContent.minSize) - senderMargin )
                 else
                     Math.min(implicitWidth, innerContent.width - senderMargin)
             }
+
             height: implicitHeight
             wrapMode: Label.WrapAtWordBoundaryOrAnywhere
             selectByMouse: true
-            font.pointSize: 11
+            font.pixelSize: 15
+            font.family: 'Ubuntu'
             font.hintingPreference: Font.PreferNoHinting
             renderType: Text.NativeRendering
             textFormat: Text.MarkdownText
diff --git a/src/app/constant/JamiTheme.qml b/src/app/constant/JamiTheme.qml
index e8dfc606ceec680469c3e65601b0d380d10ceb9f..a654aee73947026f334aa4f0e85528235758da51 100644
--- a/src/app/constant/JamiTheme.qml
+++ b/src/app/constant/JamiTheme.qml
@@ -157,14 +157,14 @@ Item {
     // Chatview
     property color jamiLightBlue: darkTheme ? "#003b4e" : Qt.rgba(59, 193, 211, 0.3)
     property color jamiDarkBlue: darkTheme ? "#28b1ed" : "#003b4e"
-    property color chatviewTextColor: darkTheme ? "#f0f0f0" : "#353637"
+    property color chatviewTextColor: darkTheme ? "#f0f0f0" : "#000000"
     property color chatviewTextColorLight: "#f0f0f0"
     property color chatviewTextColorDark: "#353637"
     property color timestampColor: darkTheme ? "#bbb" : "#777"
-    property color messageOutTxtColor: chatviewTextColor
-    property color messageInBgColor: darkTheme ? "#28b1ed" : "#cfd8dc"
-    property color messageOutBgColor: darkTheme? "#616161" : "#cfebf5"
-    property color messageInTxtColor: chatviewTextColor
+    property color messageOutTxtColor: "#000000"
+    property color messageInBgColor: darkTheme ? "#28b1ed" : "#e5e5e5"
+    property color messageOutBgColor: darkTheme? "#616161" : "#005699"
+    property color messageInTxtColor: "#FFFFFF"
     property color fileOutTimestampColor: darkTheme ? "#eee" : "#555"
     property color fileInTimestampColor: darkTheme ? "#999" : "#555"
     property color chatviewBgColor: darkTheme ? bgDarkMode_ : whiteColor
@@ -179,6 +179,7 @@ Item {
     property color previewCardContainerColor : darkTheme ? blackColor : whiteColor
     property color previewUrlColor : darkTheme ? "#eeeeee" : "#333"
     property color messageWebViewFooterButtonImageColor: darkTheme ? "#838383" : "#656565"
+    property color chatviewUsernameColor : "#A7A7A7"
 
     // Files To Send Container
     property color removeFileButtonColor: Qt.rgba(96, 95, 97, 0.5)
@@ -191,6 +192,7 @@ Item {
     property color typingDotsEnlargeColor: darkTheme ? "white" : Qt.darker("lightgrey", 3.0)
 
     // Font.
+
     property color faddedFontColor: darkTheme? "#c0c0c0" : "#a0a0a0"
     property color faddedLastInteractionFontColor: darkTheme ? "#c0c0c0" : "#505050"
 
@@ -213,6 +215,9 @@ Item {
     property int overlayFadeDuration: 250
     property int smartListTransitionDuration: 120
 
+    property string chatviewFontFamily : 'Ubuntu'
+
+
     // Sizes
     property real qrCodeImageSize: 256
     property real splitViewHandlePreferredWidth: 4
@@ -283,6 +288,8 @@ Item {
     property real lineEditContextMenuItemsWidth: 100
     property real lineEditContextMenuSeparatorsHeight: 2
 
+
+
     // Jami switch
     property real switchIndicatorRadius: 30
     property real switchPreferredHeight: 25
@@ -294,8 +301,10 @@ Item {
 
     // MessageWebView
     property real chatViewHairLineSize: 1
+    property real chatviewPadding : 16
     property real chatViewMaximumWidth: 900
     property real chatViewHeaderPreferredHeight: 64
+    property real chatViewHeaderMinimumWidth: 200
     property real chatViewFooterPreferredHeight: 50
     property real chatViewFooterMaximumHeight: 280
     property real chatViewFooterRowSpacing: 1
@@ -306,6 +315,10 @@ Item {
     property real chatViewFooterTextAreaMaximumHeight: 130
     property real chatViewScrollToBottomButtonBottomMargin: 8
 
+    property real usernameBlockFontSize : 12
+    property real usernameBlockLineHeight : 14
+    property real usernameBlockPadding : contactMessageAvatarSize  + 8
+
     // TypingDots
     property real typingDotsAnimationInterval: 500
     property real typingDotsRadius: 30
diff --git a/src/app/mainview/components/ChatView.qml b/src/app/mainview/components/ChatView.qml
index 3b038bb38756790117d8dbaf7cbe7d2532818bcb..213cd4a988c3d87dd45118cb4ce64c5623e87316 100644
--- a/src/app/mainview/components/ChatView.qml
+++ b/src/app/mainview/components/ChatView.qml
@@ -61,6 +61,7 @@ Rectangle {
             Layout.fillWidth: true
             Layout.preferredHeight: JamiTheme.chatViewHeaderPreferredHeight
             Layout.maximumHeight: JamiTheme.chatViewHeaderPreferredHeight
+            Layout.minimumWidth: JamiTheme.chatViewHeaderMinimumWidth
 
             userAliasLabelText: headerUserAliasLabelText
             userUserNameLabelText: headerUserUserNameLabelText
@@ -137,9 +138,10 @@ Rectangle {
                     Layout.alignment: Qt.AlignHCenter
                     Layout.fillWidth: true
                     Layout.fillHeight: true
-                    Layout.maximumWidth: JamiTheme.chatViewMaximumWidth
                     Layout.topMargin: JamiTheme.chatViewHairLineSize
                     Layout.bottomMargin: JamiTheme.chatViewHairLineSize
+                    Layout.leftMargin: JamiTheme.chatviewMargin
+                    Layout.rightMargin: JamiTheme.chatviewMargin
 
                     currentIndex: CurrentConversation.isRequest ||
                                 CurrentConversation.needsSyncing
diff --git a/src/app/mainview/components/MessageBar.qml b/src/app/mainview/components/MessageBar.qml
index c9d5ac8931dbc042e3aac68fa19ef613743b0aad..344bad299910f25f2099b4c709b988d521cbbd8e 100644
--- a/src/app/mainview/components/MessageBar.qml
+++ b/src/app/mainview/components/MessageBar.qml
@@ -50,7 +50,6 @@ ColumnLayout {
         Layout.alignment: Qt.AlignTop | Qt.AlignHCenter
         Layout.preferredHeight: JamiTheme.chatViewHairLineSize
         Layout.fillWidth: true
-        Layout.maximumWidth: JamiTheme.chatViewMaximumWidth
 
         color: JamiTheme.tabbarBorderColor
     }