diff --git a/CHANGES.md b/CHANGES.md
index 657f553c36..91145eece4 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -2,7 +2,7 @@ Changes in RiotX 0.14.0 (2020-XX-XX)
 ===================================================
 
 Features ✨:
- -
+ - Enable encryption in unencrypted rooms, from the room settings (#212)
 
 Improvements 🙌:
  -
diff --git a/vector/src/main/java/im/vector/riotx/core/di/FragmentModule.kt b/vector/src/main/java/im/vector/riotx/core/di/FragmentModule.kt
index b99268d6d4..4fdd2f1f73 100644
--- a/vector/src/main/java/im/vector/riotx/core/di/FragmentModule.kt
+++ b/vector/src/main/java/im/vector/riotx/core/di/FragmentModule.kt
@@ -22,32 +22,49 @@ import androidx.fragment.app.FragmentFactory
 import dagger.Binds
 import dagger.Module
 import dagger.multibindings.IntoMap
+import im.vector.riotx.features.createdirect.CreateDirectRoomDirectoryUsersFragment
+import im.vector.riotx.features.createdirect.CreateDirectRoomKnownUsersFragment
 import im.vector.riotx.features.crypto.keysbackup.settings.KeysBackupSettingsFragment
 import im.vector.riotx.features.crypto.verification.SASVerificationIncomingFragment
 import im.vector.riotx.features.crypto.verification.SASVerificationShortCodeFragment
 import im.vector.riotx.features.crypto.verification.SASVerificationStartFragment
 import im.vector.riotx.features.crypto.verification.SASVerificationVerifiedFragment
+import im.vector.riotx.features.grouplist.GroupListFragment
 import im.vector.riotx.features.home.HomeDetailFragment
 import im.vector.riotx.features.home.HomeDrawerFragment
 import im.vector.riotx.features.home.LoadingFragment
-import im.vector.riotx.features.createdirect.CreateDirectRoomDirectoryUsersFragment
-import im.vector.riotx.features.createdirect.CreateDirectRoomKnownUsersFragment
-import im.vector.riotx.features.grouplist.GroupListFragment
 import im.vector.riotx.features.home.room.breadcrumbs.BreadcrumbsFragment
 import im.vector.riotx.features.home.room.detail.RoomDetailFragment
 import im.vector.riotx.features.home.room.list.RoomListFragment
-import im.vector.riotx.features.login.*
+import im.vector.riotx.features.login.LoginCaptchaFragment
+import im.vector.riotx.features.login.LoginFragment
+import im.vector.riotx.features.login.LoginGenericTextInputFormFragment
+import im.vector.riotx.features.login.LoginResetPasswordFragment
+import im.vector.riotx.features.login.LoginResetPasswordMailConfirmationFragment
+import im.vector.riotx.features.login.LoginResetPasswordSuccessFragment
+import im.vector.riotx.features.login.LoginServerSelectionFragment
+import im.vector.riotx.features.login.LoginServerUrlFormFragment
+import im.vector.riotx.features.login.LoginSignUpSignInSelectionFragment
+import im.vector.riotx.features.login.LoginSplashFragment
+import im.vector.riotx.features.login.LoginWaitForEmailFragment
+import im.vector.riotx.features.login.LoginWebFragment
 import im.vector.riotx.features.login.terms.LoginTermsFragment
-import im.vector.riotx.features.roommemberprofile.RoomMemberProfileFragment
 import im.vector.riotx.features.reactions.EmojiChooserFragment
 import im.vector.riotx.features.reactions.EmojiSearchResultFragment
 import im.vector.riotx.features.roomdirectory.PublicRoomsFragment
 import im.vector.riotx.features.roomdirectory.createroom.CreateRoomFragment
 import im.vector.riotx.features.roomdirectory.picker.RoomDirectoryPickerFragment
 import im.vector.riotx.features.roomdirectory.roompreview.RoomPreviewNoPreviewFragment
+import im.vector.riotx.features.roommemberprofile.RoomMemberProfileFragment
 import im.vector.riotx.features.roomprofile.RoomProfileFragment
 import im.vector.riotx.features.roomprofile.members.RoomMemberListFragment
-import im.vector.riotx.features.settings.*
+import im.vector.riotx.features.roomprofile.settings.RoomSettingsFragment
+import im.vector.riotx.features.settings.VectorSettingsAdvancedNotificationPreferenceFragment
+import im.vector.riotx.features.settings.VectorSettingsHelpAboutFragment
+import im.vector.riotx.features.settings.VectorSettingsNotificationPreferenceFragment
+import im.vector.riotx.features.settings.VectorSettingsNotificationsTroubleshootFragment
+import im.vector.riotx.features.settings.VectorSettingsPreferencesFragment
+import im.vector.riotx.features.settings.VectorSettingsSecurityPrivacyFragment
 import im.vector.riotx.features.settings.devices.VectorSettingsDevicesFragment
 import im.vector.riotx.features.settings.ignored.VectorSettingsIgnoredUsersFragment
 import im.vector.riotx.features.settings.push.PushGatewaysFragment
@@ -272,6 +289,11 @@ interface FragmentModule {
     @FragmentKey(RoomMemberListFragment::class)
     fun bindRoomMemberListFragment(fragment: RoomMemberListFragment): Fragment
 
+    @Binds
+    @IntoMap
+    @FragmentKey(RoomSettingsFragment::class)
+    fun bindRoomSettingsFragment(fragment: RoomSettingsFragment): Fragment
+
     @Binds
     @IntoMap
     @FragmentKey(RoomMemberProfileFragment::class)
diff --git a/vector/src/main/java/im/vector/riotx/core/platform/VectorBaseFragment.kt b/vector/src/main/java/im/vector/riotx/core/platform/VectorBaseFragment.kt
index 91c166a96c..65b78a4eaa 100644
--- a/vector/src/main/java/im/vector/riotx/core/platform/VectorBaseFragment.kt
+++ b/vector/src/main/java/im/vector/riotx/core/platform/VectorBaseFragment.kt
@@ -22,10 +22,15 @@ import android.app.ProgressDialog
 import android.content.Context
 import android.os.Bundle
 import android.os.Parcelable
-import android.view.*
+import android.view.LayoutInflater
+import android.view.Menu
+import android.view.MenuInflater
+import android.view.View
+import android.view.ViewGroup
 import androidx.annotation.CallSuper
 import androidx.annotation.LayoutRes
 import androidx.annotation.MainThread
+import androidx.appcompat.app.AlertDialog
 import androidx.appcompat.widget.Toolbar
 import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.ViewModelProviders
@@ -35,6 +40,7 @@ import com.airbnb.mvrx.BaseMvRxFragment
 import com.airbnb.mvrx.MvRx
 import com.bumptech.glide.util.Util.assertMainThread
 import com.google.android.material.snackbar.Snackbar
+import im.vector.riotx.R
 import im.vector.riotx.core.di.DaggerScreenComponent
 import im.vector.riotx.core.di.HasScreenInjector
 import im.vector.riotx.core.di.ScreenComponent
@@ -233,4 +239,16 @@ abstract class VectorBaseFragment : BaseMvRxFragment(), HasScreenInjector {
             inflater.inflate(menuRes, menu)
         }
     }
+
+    /* ==========================================================================================
+     * Common Dialogs
+     * ========================================================================================== */
+
+    protected fun displayErrorDialog(throwable: Throwable) {
+        AlertDialog.Builder(requireActivity())
+                .setTitle(R.string.dialog_title_error)
+                .setMessage(errorFormatter.toHumanReadable(throwable))
+                .setPositiveButton(R.string.ok, null)
+                .show()
+    }
 }
diff --git a/vector/src/main/java/im/vector/riotx/features/roomprofile/RoomProfileActivity.kt b/vector/src/main/java/im/vector/riotx/features/roomprofile/RoomProfileActivity.kt
index 160d2341ed..1a9b268b90 100644
--- a/vector/src/main/java/im/vector/riotx/features/roomprofile/RoomProfileActivity.kt
+++ b/vector/src/main/java/im/vector/riotx/features/roomprofile/RoomProfileActivity.kt
@@ -26,6 +26,7 @@ import im.vector.riotx.core.extensions.addFragmentToBackstack
 import im.vector.riotx.core.platform.ToolbarConfigurable
 import im.vector.riotx.core.platform.VectorBaseActivity
 import im.vector.riotx.features.roomprofile.members.RoomMemberListFragment
+import im.vector.riotx.features.roomprofile.settings.RoomSettingsFragment
 
 class RoomProfileActivity : VectorBaseActivity(), ToolbarConfigurable {
 
@@ -69,7 +70,7 @@ class RoomProfileActivity : VectorBaseActivity(), ToolbarConfigurable {
     }
 
     private fun openRoomSettings() {
-        notImplemented("Open room settings")
+        addFragmentToBackstack(R.id.simpleFragmentContainer, RoomSettingsFragment::class.java, roomProfileArgs)
     }
 
     private fun openRoomMembers() {
diff --git a/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsAction.kt b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsAction.kt
new file mode 100644
index 0000000000..3c1b10cf8e
--- /dev/null
+++ b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsAction.kt
@@ -0,0 +1,26 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.roomprofile.settings
+
+import im.vector.riotx.core.platform.VectorViewModelAction
+
+sealed class RoomSettingsAction : VectorViewModelAction {
+    data class SetRoomName(val newName: String) : RoomSettingsAction()
+    data class SetRoomTopic(val newTopic: String) : RoomSettingsAction()
+    data class SetRoomAvatar(val newAvatarUrl: String) : RoomSettingsAction()
+    object EnableEncryption : RoomSettingsAction()
+}
diff --git a/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsController.kt b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsController.kt
new file mode 100644
index 0000000000..b9a20ef915
--- /dev/null
+++ b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsController.kt
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.roomprofile.settings
+
+import com.airbnb.epoxy.TypedEpoxyController
+import im.vector.riotx.R
+import im.vector.riotx.core.epoxy.profiles.buildProfileAction
+import im.vector.riotx.core.epoxy.profiles.buildProfileSection
+import im.vector.riotx.core.resources.ColorProvider
+import im.vector.riotx.core.resources.StringProvider
+import javax.inject.Inject
+
+// TODO Add other feature here (waiting for design)
+class RoomSettingsController @Inject constructor(
+        private val stringProvider: StringProvider,
+        colorProvider: ColorProvider
+) : TypedEpoxyController<RoomSettingsViewState>() {
+
+    interface Callback {
+        fun onEnableEncryptionClicked()
+    }
+
+    private val dividerColor = colorProvider.getColorFromAttribute(R.attr.vctr_list_divider_color)
+
+    var callback: Callback? = null
+
+    init {
+        setData(null)
+    }
+
+    override fun buildModels(data: RoomSettingsViewState?) {
+        val roomSummary = data?.roomSummary?.invoke() ?: return
+
+        buildProfileSection(
+                stringProvider.getString(R.string.settings)
+        )
+
+        // Only enable encryption for the moment
+        if (roomSummary.isEncrypted) {
+            buildProfileAction(
+                    id = "encryption",
+                    title = stringProvider.getString(R.string.room_settings_addresses_e2e_enabled),
+                    dividerColor = dividerColor,
+                    divider = false,
+                    editable = false,
+                    action = {}
+            )
+        } else {
+            buildProfileAction(
+                    id = "encryption",
+                    title = stringProvider.getString(R.string.room_settings_enable_encryption),
+                    subtitle = stringProvider.getString(R.string.room_settings_enable_encryption_warning),
+                    dividerColor = dividerColor,
+                    divider = false,
+                    editable = true,
+                    action = { callback?.onEnableEncryptionClicked() }
+            )
+        }
+    }
+}
diff --git a/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsFragment.kt b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsFragment.kt
new file mode 100644
index 0000000000..e7a221d40d
--- /dev/null
+++ b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsFragment.kt
@@ -0,0 +1,84 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.roomprofile.settings
+
+import android.os.Bundle
+import android.view.View
+import androidx.core.view.isVisible
+import com.airbnb.mvrx.Loading
+import com.airbnb.mvrx.args
+import com.airbnb.mvrx.fragmentViewModel
+import com.airbnb.mvrx.withState
+import im.vector.matrix.android.api.util.toMatrixItem
+import im.vector.riotx.R
+import im.vector.riotx.core.extensions.cleanup
+import im.vector.riotx.core.extensions.configureWith
+import im.vector.riotx.core.extensions.observeEvent
+import im.vector.riotx.core.platform.VectorBaseFragment
+import im.vector.riotx.features.home.AvatarRenderer
+import im.vector.riotx.features.roomprofile.RoomProfileArgs
+import kotlinx.android.synthetic.main.fragment_room_member_list.*
+import kotlinx.android.synthetic.main.merge_overlay_waiting_view.*
+import javax.inject.Inject
+
+class RoomSettingsFragment @Inject constructor(
+        val viewModelFactory: RoomSettingsViewModel.Factory,
+        private val controller: RoomSettingsController,
+        private val avatarRenderer: AvatarRenderer
+) : VectorBaseFragment(), RoomSettingsController.Callback {
+
+    private val viewModel: RoomSettingsViewModel by fragmentViewModel()
+    private val roomProfileArgs: RoomProfileArgs by args()
+
+    override fun getLayoutResId() = R.layout.fragment_room_member_list
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        controller.callback = this
+        setupToolbar(roomMemberListToolbar)
+        recyclerView.configureWith(controller, hasFixedSize = true)
+        waiting_view_status_text.setText(R.string.please_wait)
+        waiting_view_status_text.isVisible = true
+
+        viewModel.requestErrorLiveData.observeEvent(this) {
+            displayErrorDialog(it)
+        }
+    }
+
+    override fun onDestroyView() {
+        recyclerView.cleanup()
+        super.onDestroyView()
+    }
+
+    override fun invalidate() = withState(viewModel) { viewState ->
+        controller.setData(viewState)
+        renderRoomSummary(viewState)
+    }
+
+    override fun onEnableEncryptionClicked() {
+        viewModel.handle(RoomSettingsAction.EnableEncryption)
+    }
+
+    private fun renderRoomSummary(state: RoomSettingsViewState) {
+        waiting_view.isVisible = state.currentRequest is Loading
+
+        state.roomSummary()?.let {
+            roomMemberListToolbarTitleView.text = it.displayName
+            avatarRenderer.render(it.toMatrixItem(), roomMemberListToolbarAvatarImageView)
+        }
+    }
+}
diff --git a/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsViewModel.kt b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsViewModel.kt
new file mode 100644
index 0000000000..fad8504e01
--- /dev/null
+++ b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsViewModel.kt
@@ -0,0 +1,93 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.roomprofile.settings
+
+import com.airbnb.mvrx.FragmentViewModelContext
+import com.airbnb.mvrx.Loading
+import com.airbnb.mvrx.MvRxViewModelFactory
+import com.airbnb.mvrx.Uninitialized
+import com.airbnb.mvrx.ViewModelContext
+import com.squareup.inject.assisted.Assisted
+import com.squareup.inject.assisted.AssistedInject
+import im.vector.matrix.android.api.MatrixCallback
+import im.vector.matrix.android.api.session.Session
+import im.vector.matrix.android.internal.crypto.MXCRYPTO_ALGORITHM_MEGOLM
+import im.vector.matrix.rx.rx
+import im.vector.matrix.rx.unwrap
+import im.vector.riotx.core.extensions.postLiveEvent
+import im.vector.riotx.core.platform.VectorViewModel
+
+class RoomSettingsViewModel @AssistedInject constructor(@Assisted initialState: RoomSettingsViewState,
+                                                        private val session: Session)
+    : VectorViewModel<RoomSettingsViewState, RoomSettingsAction>(initialState) {
+
+    @AssistedInject.Factory
+    interface Factory {
+        fun create(initialState: RoomSettingsViewState): RoomSettingsViewModel
+    }
+
+    companion object : MvRxViewModelFactory<RoomSettingsViewModel, RoomSettingsViewState> {
+
+        @JvmStatic
+        override fun create(viewModelContext: ViewModelContext, state: RoomSettingsViewState): RoomSettingsViewModel? {
+            val fragment: RoomSettingsFragment = (viewModelContext as FragmentViewModelContext).fragment()
+            return fragment.viewModelFactory.create(state)
+        }
+    }
+
+    private val room = session.getRoom(initialState.roomId)!!
+
+    init {
+        observeRoomSummary()
+    }
+
+    private fun observeRoomSummary() {
+        room.rx().liveRoomSummary()
+                .unwrap()
+                .execute { async ->
+                    copy(roomSummary = async)
+                }
+    }
+
+    override fun handle(action: RoomSettingsAction) {
+        when (action) {
+            is RoomSettingsAction.EnableEncryption -> handleEnableEncryption()
+        }
+    }
+
+    private fun handleEnableEncryption() {
+        setState {
+            copy(currentRequest = Loading())
+        }
+
+        room.enableEncryption(MXCRYPTO_ALGORITHM_MEGOLM, object : MatrixCallback<Unit> {
+            override fun onFailure(failure: Throwable) {
+                setState {
+                    copy(currentRequest = Uninitialized)
+                }
+
+                _requestErrorLiveData.postLiveEvent(failure)
+            }
+
+            override fun onSuccess(data: Unit) {
+                setState {
+                    copy(currentRequest = Uninitialized)
+                }
+            }
+        })
+    }
+}
diff --git a/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsViewState.kt b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsViewState.kt
new file mode 100644
index 0000000000..b3be2e308e
--- /dev/null
+++ b/vector/src/main/java/im/vector/riotx/features/roomprofile/settings/RoomSettingsViewState.kt
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2020 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package im.vector.riotx.features.roomprofile.settings
+
+import com.airbnb.mvrx.Async
+import com.airbnb.mvrx.MvRxState
+import com.airbnb.mvrx.Uninitialized
+import im.vector.matrix.android.api.session.room.model.RoomSummary
+import im.vector.riotx.features.roomprofile.RoomProfileArgs
+
+data class RoomSettingsViewState(
+        val roomId: String,
+        val roomSummary: Async<RoomSummary> = Uninitialized,
+        val currentRequest: Async<Unit> = Uninitialized
+) : MvRxState {
+
+    constructor(args: RoomProfileArgs) : this(roomId = args.roomId)
+}
diff --git a/vector/src/main/java/im/vector/riotx/features/settings/devices/VectorSettingsDevicesFragment.kt b/vector/src/main/java/im/vector/riotx/features/settings/devices/VectorSettingsDevicesFragment.kt
index 465b3ba0fb..8de7c7a322 100644
--- a/vector/src/main/java/im/vector/riotx/features/settings/devices/VectorSettingsDevicesFragment.kt
+++ b/vector/src/main/java/im/vector/riotx/features/settings/devices/VectorSettingsDevicesFragment.kt
@@ -83,14 +83,6 @@ class VectorSettingsDevicesFragment @Inject constructor(
         (activity as? VectorBaseActivity)?.supportActionBar?.setTitle(R.string.settings_devices_list)
     }
 
-    private fun displayErrorDialog(throwable: Throwable) {
-        AlertDialog.Builder(requireActivity())
-                .setTitle(R.string.dialog_title_error)
-                .setMessage(errorFormatter.toHumanReadable(throwable))
-                .setPositiveButton(R.string.ok, null)
-                .show()
-    }
-
     override fun onDeviceClicked(deviceInfo: DeviceInfo) {
         devicesViewModel.handle(DevicesAction.ToggleDevice(deviceInfo))
     }
diff --git a/vector/src/main/java/im/vector/riotx/features/settings/ignored/VectorSettingsIgnoredUsersFragment.kt b/vector/src/main/java/im/vector/riotx/features/settings/ignored/VectorSettingsIgnoredUsersFragment.kt
index 6435f43d87..d7069ce9f9 100644
--- a/vector/src/main/java/im/vector/riotx/features/settings/ignored/VectorSettingsIgnoredUsersFragment.kt
+++ b/vector/src/main/java/im/vector/riotx/features/settings/ignored/VectorSettingsIgnoredUsersFragment.kt
@@ -77,14 +77,6 @@ class VectorSettingsIgnoredUsersFragment @Inject constructor(
                 .show()
     }
 
-    private fun displayErrorDialog(throwable: Throwable) {
-        AlertDialog.Builder(requireActivity())
-                .setTitle(R.string.dialog_title_error)
-                .setMessage(errorFormatter.toHumanReadable(throwable))
-                .setPositiveButton(R.string.ok, null)
-                .show()
-    }
-
     // ==============================================================================================================
     // ignored users list management
     // ==============================================================================================================
diff --git a/vector/src/main/res/layout/fragment_room_member_list.xml b/vector/src/main/res/layout/fragment_room_member_list.xml
index 5fe4fc3770..06b4293e78 100644
--- a/vector/src/main/res/layout/fragment_room_member_list.xml
+++ b/vector/src/main/res/layout/fragment_room_member_list.xml
@@ -4,14 +4,15 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/rootConstraintLayout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:background="?riotx_header_panel_background">
 
     <androidx.appcompat.widget.Toolbar
         android:id="@+id/roomMemberListToolbar"
         style="@style/VectorToolbarStyle"
-        android:elevation="4dp"
         android:layout_width="0dp"
         android:layout_height="?actionBarSize"
+        android:elevation="4dp"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent">
@@ -42,9 +43,9 @@
                 android:maxLines="1"
                 android:textColor="?vctr_toolbar_primary_text_color"
                 android:textSize="18sp"
-                app:layout_constraintStart_toEndOf="@+id/roomMemberListToolbarAvatarImageView"
                 app:layout_constraintBottom_toBottomOf="parent"
                 app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toEndOf="@+id/roomMemberListToolbarAvatarImageView"
                 app:layout_constraintTop_toTopOf="parent"
                 tools:text="@sample/matrix.json/data/roomName" />
 
@@ -57,10 +58,12 @@
         android:layout_width="0dp"
         android:layout_height="0dp"
         android:overScrollMode="always"
-        app:layout_constraintTop_toBottomOf="@+id/roomMemberListToolbar"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/roomMemberListToolbar"
         tools:listitem="@layout/item_autocomplete_matrix_item" />
 
+    <include layout="@layout/merge_overlay_waiting_view" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/vector/src/main/res/layout/merge_overlay_waiting_view.xml b/vector/src/main/res/layout/merge_overlay_waiting_view.xml
index b7e7bf41c7..3ee572cd71 100644
--- a/vector/src/main/res/layout/merge_overlay_waiting_view.xml
+++ b/vector/src/main/res/layout/merge_overlay_waiting_view.xml
@@ -10,6 +10,8 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:background="?vctr_waiting_background_color"
+        android:clickable="true"
+        android:focusable="true"
         android:visibility="gone"
         tools:visibility="visible">
 
diff --git a/vector/src/main/res/values/strings_riotX.xml b/vector/src/main/res/values/strings_riotX.xml
index 7fff839e7e..453235e0ce 100644
--- a/vector/src/main/res/values/strings_riotX.xml
+++ b/vector/src/main/res/values/strings_riotX.xml
@@ -40,5 +40,7 @@
     <!-- Title for category in the settings which affect the behavior of the message editor (ex: enable Markdown, send typing notification, etc.) -->
     <string name="settings_category_composer">Message editor</string>
 
+    <string name="room_settings_enable_encryption">Enable end-to-end encryption</string>
+    <string name="room_settings_enable_encryption_warning">Warning: once encryption is enabled in a room, it cannot be disabled</string>
 
 </resources>