Add a new internal-only 'labs' setting screen.

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/AppSettingsFragment.kt

@@ -109,6 +109,7 @@ class AppSettingsFragment : ComposeFragment(), Callbacks {
             is AppSettingsRoute.Payments -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_paymentsActivity)
             is AppSettingsRoute.HelpRoute.Settings -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_helpSettingsFragment)
             is AppSettingsRoute.Invite -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_inviteFragment)
+            is AppSettingsRoute.LabsRoute.Labs -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_labsSettingsFragment)
             is AppSettingsRoute.InternalRoute.Internal -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_internalSettingsFragment)
             is AppSettingsRoute.AccountRoute.ManageProfile -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_manageProfileActivity)
             is AppSettingsRoute.UsernameLinkRoute.UsernameLink -> findNavController().safeNavigate(R.id.action_appSettingsFragment_to_usernameLinkSettingsFragment)
@@ -531,9 +532,20 @@ private fun AppSettingsContent(
             Dividers.Default()
           }
 
+          item {
+            Rows.TextRow(
+              text = "Labs",
+              icon = painterResource(R.drawable.symbol_flash_24),
+              onClick = {
+                callbacks.navigate(AppSettingsRoute.LabsRoute.Labs)
+              }
+            )
+          }
+
           item {
             Rows.TextRow(
               text = stringResource(R.string.preferences__internal_preferences),
+              icon = painterResource(R.drawable.symbol_key_24),
               onClick = {
                 callbacks.navigate(AppSettingsRoute.InternalRoute.Internal)
               }

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/labs/LabsSettingsEvents.kt

@@ -0,0 +1,11 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.components.settings.app.labs
+
+sealed interface LabsSettingsEvents {
+  data class ToggleIndividualChatPlaintextExport(val enabled: Boolean) : LabsSettingsEvents
+  data class ToggleStoryArchive(val enabled: Boolean) : LabsSettingsEvents
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/labs/LabsSettingsFragment.kt

@@ -0,0 +1,111 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.components.settings.app.labs
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.painterResource
+import androidx.compose.ui.unit.dp
+import androidx.fragment.app.viewModels
+import androidx.navigation.fragment.findNavController
+import org.signal.core.ui.compose.ComposeFragment
+import org.signal.core.ui.compose.Rows
+import org.signal.core.ui.compose.Scaffolds
+import org.signal.core.ui.compose.SignalIcons
+import org.signal.core.ui.compose.horizontalGutters
+import org.signal.core.ui.compose.theme.SignalTheme
+import org.thoughtcrime.securesms.R
+
+class LabsSettingsFragment : ComposeFragment() {
+
+  private val viewModel: LabsSettingsViewModel by viewModels()
+
+  @Composable
+  override fun FragmentContent() {
+    val state by viewModel.state.collectAsState()
+
+    LabsSettingsContent(
+      state = state,
+      onEvent = viewModel::onEvent,
+      onNavigationClick = { findNavController().popBackStack() }
+    )
+  }
+}
+
+@Composable
+private fun LabsSettingsContent(
+  state: LabsSettingsState,
+  onEvent: (LabsSettingsEvents) -> Unit,
+  onNavigationClick: () -> Unit
+) {
+  Scaffolds.Settings(
+    title = "Labs",
+    navigationContentDescription = "Go back",
+    navigationIcon = SignalIcons.ArrowStart.imageVector,
+    onNavigationClick = onNavigationClick
+  ) { contentPadding ->
+    LazyColumn(
+      contentPadding = contentPadding
+    ) {
+      item {
+        Row(
+          modifier = Modifier
+            .fillMaxWidth()
+            .horizontalGutters()
+            .padding(vertical = 16.dp)
+            .background(
+              color = SignalTheme.colors.colorSurface2,
+              shape = RoundedCornerShape(12.dp)
+            )
+            .padding(16.dp)
+        ) {
+          Icon(
+            painter = painterResource(R.drawable.symbol_info_fill_24),
+            contentDescription = null,
+            tint = MaterialTheme.colorScheme.onSurfaceVariant,
+            modifier = Modifier.size(20.dp)
+          )
+          Text(
+            text = "These are internal-only pre-release features. They are all in various unfinished states. They may need more polish, finalized designs, or cross-client compatibility before they can be released.",
+            style = MaterialTheme.typography.bodyMedium,
+            color = MaterialTheme.colorScheme.onSurfaceVariant,
+            modifier = Modifier.padding(start = 12.dp)
+          )
+        }
+      }
+
+      item {
+        Rows.ToggleRow(
+          checked = state.individualChatPlaintextExport,
+          text = "Individual Chat Plaintext Export",
+          label = "Enable exporting individual chats as a collection of human-readable plaintext files. New entry in the three-dot menu in the chat screen.",
+          onCheckChanged = { onEvent(LabsSettingsEvents.ToggleIndividualChatPlaintextExport(it)) }
+        )
+      }
+
+      item {
+        Rows.ToggleRow(
+          checked = state.storyArchive,
+          text = "Story Archive",
+          label = "Keep your own stories for longer and view them later. A new button on the toolbar on the stories tab.",
+          onCheckChanged = { onEvent(LabsSettingsEvents.ToggleStoryArchive(it)) }
+        )
+      }
+    }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/labs/LabsSettingsState.kt

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.components.settings.app.labs
+
+import androidx.compose.runtime.Immutable
+
+@Immutable
+data class LabsSettingsState(
+  val individualChatPlaintextExport: Boolean = false,
+  val storyArchive: Boolean = false
+)

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/labs/LabsSettingsViewModel.kt

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.components.settings.app.labs
+
+import androidx.lifecycle.ViewModel
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+
+class LabsSettingsViewModel : ViewModel() {
+
+  private val _state = MutableStateFlow(loadState())
+  val state: StateFlow<LabsSettingsState> = _state
+
+  fun onEvent(event: LabsSettingsEvents) {
+    when (event) {
+      is LabsSettingsEvents.ToggleIndividualChatPlaintextExport -> {
+        SignalStore.labs.individualChatPlaintextExport = event.enabled
+        _state.value = _state.value.copy(individualChatPlaintextExport = event.enabled)
+      }
+      is LabsSettingsEvents.ToggleStoryArchive -> {
+        SignalStore.labs.storyArchive = event.enabled
+        _state.value = _state.value.copy(storyArchive = event.enabled)
+      }
+    }
+  }
+
+  private fun loadState(): LabsSettingsState {
+    return LabsSettingsState(
+      individualChatPlaintextExport = SignalStore.labs.individualChatPlaintextExport,
+      storyArchive = SignalStore.labs.storyArchive
+    )
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/components/settings/app/routes/AppSettingsRoute.kt

@@ -114,6 +114,11 @@ sealed interface AppSettingsRoute : Parcelable {
     data object Featured : DonationsRoute
   }
 
+  @Parcelize
+  sealed interface LabsRoute : AppSettingsRoute {
+    data object Labs : LabsRoute
+  }
+
   @Parcelize
   sealed interface InternalRoute : AppSettingsRoute {
     data object Internal : InternalRoute

app/src/main/java/org/thoughtcrime/securesms/conversation/ConversationOptionsMenu.kt

@@ -16,9 +16,9 @@ import io.reactivex.rxjava3.kotlin.subscribeBy
 import org.signal.core.util.concurrent.LifecycleDisposable
 import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.messagerequests.MessageRequestState
 import org.thoughtcrime.securesms.recipients.Recipient
-import org.thoughtcrime.securesms.util.RemoteConfig
 
 /**
  * Delegate object for managing the conversation options menu
@@ -164,8 +164,8 @@ internal object ConversationOptionsMenu {
         hideMenuItem(menu, R.id.menu_add_shortcut)
       }
 
-      if (RemoteConfig.internalUser) {
-        menu.findItem(R.id.menu_export)?.title = menu.findItem(R.id.menu_export)?.title.toString() + " (Internal Only)"
+      if (SignalStore.labs.individualChatPlaintextExport) {
+        menu.findItem(R.id.menu_export)?.title = menu.findItem(R.id.menu_export)?.title.toString() + " (Labs)"
       } else {
         hideMenuItem(menu, R.id.menu_export)
       }

app/src/main/java/org/thoughtcrime/securesms/keyvalue/LabsValues.kt

@@ -0,0 +1,22 @@
+package org.thoughtcrime.securesms.keyvalue
+
+import org.thoughtcrime.securesms.util.RemoteConfig
+
+class LabsValues internal constructor(store: KeyValueStore) : SignalStoreValues(store) {
+  companion object {
+    const val INDIVIDUAL_CHAT_PLAINTEXT_EXPORT: String = "labs.individual_chat_plaintext_export"
+    const val STORY_ARCHIVE: String = "labs.story_archive"
+  }
+
+  public override fun onFirstEverAppLaunch() = Unit
+
+  public override fun getKeysToIncludeInBackup(): List<String> = emptyList()
+
+  var individualChatPlaintextExport by booleanValue(INDIVIDUAL_CHAT_PLAINTEXT_EXPORT, true).falseForExternalUsers()
+
+  var storyArchive by booleanValue(STORY_ARCHIVE, true).falseForExternalUsers()
+
+  private fun SignalStoreValueDelegate<Boolean>.falseForExternalUsers(): SignalStoreValueDelegate<Boolean> {
+    return this.map { actualValue -> RemoteConfig.internalUser && actualValue }
+  }
+}

app/src/main/java/org/thoughtcrime/securesms/keyvalue/SignalStore.kt

@@ -38,6 +38,7 @@ class SignalStore(context: Application, private val store: KeyValueStore) {
   val apkUpdateValues = ApkUpdateValues(store)
   val backupValues = BackupValues(store)
   val callQualityValues = CallQualityValues(store)
+  val labsValues = LabsValues(store)
 
   val plainTextValues = PlainTextSharedPrefsDataStore(context)
 
@@ -86,6 +87,7 @@ class SignalStore(context: Application, private val store: KeyValueStore) {
       apkUpdate.onFirstEverAppLaunch()
       backup.onFirstEverAppLaunch()
       callQuality.onFirstEverAppLaunch()
+      labs.onFirstEverAppLaunch()
     }
 
     @JvmStatic
@@ -118,7 +120,8 @@ class SignalStore(context: Application, private val store: KeyValueStore) {
           story.keysToIncludeInBackup +
           apkUpdate.keysToIncludeInBackup +
           backup.keysToIncludeInBackup +
-          callQuality.keysToIncludeInBackup
+          callQuality.keysToIncludeInBackup +
+          labs.keysToIncludeInBackup
       }
 
     /**
@@ -274,6 +277,11 @@ class SignalStore(context: Application, private val store: KeyValueStore) {
     val callQuality: CallQualityValues
       get() = instance!!.callQualityValues
 
+    @JvmStatic
+    @get:JvmName("labs")
+    val labs: LabsValues
+      get() = instance!!.labsValues
+
     val groupsV2AciAuthorizationCache: GroupsV2AuthorizationSignalStoreCache
       get() = GroupsV2AuthorizationSignalStoreCache.createAciCache(instance!!.store)
 

app/src/main/java/org/thoughtcrime/securesms/main/MainToolbar.kt

@@ -81,9 +81,9 @@ import org.thoughtcrime.securesms.calls.log.CallLogFilter
 import org.thoughtcrime.securesms.components.compose.ActionModeTopBar
 import org.thoughtcrime.securesms.components.settings.app.subscription.BadgeImageSmall
 import org.thoughtcrime.securesms.conversationlist.model.ConversationFilter
+import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.recipients.rememberRecipientField
-import org.thoughtcrime.securesms.util.RemoteConfig
 
 interface MainToolbarCallback {
   fun onNewGroupClick()
@@ -408,7 +408,7 @@ private fun PrimaryToolbar(
       NotificationProfileAction(state, callback)
       ProxyAction(state, callback)
 
-      if (state.destination == MainNavigationListLocation.STORIES && RemoteConfig.internalUser) {
+      if (state.destination == MainNavigationListLocation.STORIES && SignalStore.labs.storyArchive) {
         IconButtons.IconButton(
           onClick = callback::onStoryArchiveClick
         ) {

app/src/main/java/org/thoughtcrime/securesms/stories/settings/story/StoriesPrivacySettingsFragment.kt

@@ -27,7 +27,6 @@ import org.thoughtcrime.securesms.stories.archive.StoryArchiveDuration
 import org.thoughtcrime.securesms.stories.dialogs.StoryDialogs
 import org.thoughtcrime.securesms.stories.settings.create.CreateStoryFlowDialogFragment
 import org.thoughtcrime.securesms.stories.settings.create.CreateStoryWithViewersFragment
-import org.thoughtcrime.securesms.util.RemoteConfig
 import org.thoughtcrime.securesms.util.adapter.mapping.MappingAdapter
 import org.thoughtcrime.securesms.util.adapter.mapping.PagingMappingAdapter
 import org.thoughtcrime.securesms.util.navigation.safeNavigate
@@ -170,7 +169,7 @@ class StoriesPrivacySettingsFragment :
           }
         )
 
-        if (RemoteConfig.internalUser) {
+        if (SignalStore.labs.storyArchive) {
           dividerPref()
 
           sectionHeaderPref(R.string.StoryArchive__archive)

app/src/main/res/navigation/app_settings_with_change_number.xml

@@ -134,6 +134,13 @@
             app:exitAnim="@anim/fragment_open_exit"
             app:popEnterAnim="@anim/fragment_close_enter"
             app:popExitAnim="@anim/fragment_close_exit" />
+        <action
+            android:id="@+id/action_appSettingsFragment_to_labsSettingsFragment"
+            app:destination="@id/labsSettingsFragment"
+            app:enterAnim="@anim/fragment_open_enter"
+            app:exitAnim="@anim/fragment_open_exit"
+            app:popEnterAnim="@anim/fragment_close_enter"
+            app:popExitAnim="@anim/fragment_close_exit" />
         <action
             android:id="@+id/action_appSettingsFragment_to_manageDonationsFragment"
             app:destination="@id/manageDonationsFragment"
@@ -823,6 +830,13 @@
 
     <!-- endregion -->
 
+    <!-- Labs Settings -->
+
+    <fragment
+        android:id="@+id/labsSettingsFragment"
+        android:name="org.thoughtcrime.securesms.components.settings.app.labs.LabsSettingsFragment"
+        android:label="labs_settings_fragment" />
+
     <!-- Internal Settings -->
 
     <fragment