Render room version in room detail screen if developer mode is enabled.

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/RoomDetailsPresenter.kt

@@ -205,6 +205,7 @@ class RoomDetailsPresenter(
             canReportRoom = canReportRoom,
             isTombstoned = roomInfo.successorRoom != null,
             showDebugInfo = isDeveloperModeEnabled,
+            roomVersion = roomInfo.roomVersion,
             eventSink = ::handleEvent,
         )
     }

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/RoomDetailsState.kt

@@ -49,6 +49,7 @@ data class RoomDetailsState(
     val canReportRoom: Boolean,
     val isTombstoned: Boolean,
     val showDebugInfo: Boolean,
+    val roomVersion: String?,
     val eventSink: (RoomDetailsEvent) -> Unit
 ) {
     val roomBadges = buildList {

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/RoomDetailsStateProvider.kt

@@ -146,6 +146,7 @@ fun aRoomDetailsState(
     canReportRoom = canReportRoom,
     isTombstoned = isTombstoned,
     showDebugInfo = showDebugInfo,
+    roomVersion = "12",
     eventSink = eventSink,
 )
 

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/RoomDetailsView.kt

@@ -264,6 +264,7 @@ fun RoomDetailsView(
             if (state.showDebugInfo) {
                 DebugInfoSection(
                     roomId = state.roomId,
+                    roomVersion = state.roomVersion,
                 )
             }
         }
@@ -714,7 +715,10 @@ private fun OtherActionsSection(
 }
 
 @Composable
-private fun DebugInfoSection(roomId: RoomId) {
+private fun DebugInfoSection(
+    roomId: RoomId,
+    roomVersion: String?,
+) {
     val context = LocalContext.current
     PreferenceCategory(showTopDivider = true) {
         ListItem(
@@ -737,6 +741,19 @@ private fun DebugInfoSection(roomId: RoomId) {
                 )
             },
         )
+        ListItem(
+            headlineContent = {
+                Text("Room version")
+            },
+            supportingContent = {
+                Text(
+                    text = roomVersion ?: "Unknown",
+                    style = ElementTheme.typography.fontBodySmRegular,
+                    color = ElementTheme.colors.textSecondary,
+                )
+            },
+            leadingContent = ListItemContent.Icon(IconSource.Vector(CompoundIcons.Info())),
+        )
     }
 }