diff --git a/app/build.gradle b/app/build.gradle
index de71e3209a..f45e8ba3e9 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -28,8 +28,8 @@ configurations.all {
     exclude module: "commons-logging"
 }
 
-def canonicalVersionCode = 376
-def canonicalVersionName = "1.18.6"
+def canonicalVersionCode = 377
+def canonicalVersionName = "1.19.0"
 
 def postFixSize = 10
 def abiPostFix = ['armeabi-v7a' : 1,
diff --git a/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java b/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
index 1870cf6260..82699f393a 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
@@ -86,6 +86,7 @@ import org.thoughtcrime.securesms.sskenvironment.ProfileManager;
 import org.thoughtcrime.securesms.sskenvironment.ReadReceiptManager;
 import org.thoughtcrime.securesms.sskenvironment.TypingStatusRepository;
 import org.thoughtcrime.securesms.util.Broadcaster;
+import org.thoughtcrime.securesms.util.VersionDataFetcher;
 import org.thoughtcrime.securesms.util.dynamiclanguage.LocaleParseHelper;
 import org.thoughtcrime.securesms.webrtc.CallMessageProcessor;
 import org.webrtc.PeerConnectionFactory;
@@ -110,7 +111,6 @@ import javax.inject.Inject;
 import dagger.hilt.EntryPoints;
 import dagger.hilt.android.HiltAndroidApp;
 import kotlin.Unit;
-import kotlinx.coroutines.Job;
 import network.loki.messenger.BuildConfig;
 import network.loki.messenger.libsession_util.ConfigBase;
 import network.loki.messenger.libsession_util.UserProfile;
@@ -151,6 +151,7 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
     @Inject PushRegistry pushRegistry;
     @Inject ConfigFactory configFactory;
     @Inject LastSentTimestampCache lastSentTimestampCache;
+    @Inject VersionDataFetcher versionDataFetcher;
     CallMessageProcessor callMessageProcessor;
     MessagingModuleConfiguration messagingModuleConfiguration;
 
@@ -275,6 +276,9 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
 
             OpenGroupManager.INSTANCE.startPolling();
         });
+
+        // fetch last version data
+        versionDataFetcher.startTimedVersionCheck();
     }
 
     @Override
@@ -287,12 +291,14 @@ public class ApplicationContext extends Application implements DefaultLifecycleO
             poller.stopIfNeeded();
         }
         ClosedGroupPollerV2.getShared().stopAll();
+        versionDataFetcher.stopTimedVersionCheck();
     }
 
     @Override
     public void onTerminate() {
         stopKovenant(); // Loki
         OpenGroupManager.INSTANCE.stopPolling();
+        versionDataFetcher.stopTimedVersionCheck();
         super.onTerminate();
     }
 
diff --git a/app/src/main/java/org/thoughtcrime/securesms/MuteDialog.kt b/app/src/main/java/org/thoughtcrime/securesms/MuteDialog.kt
index f294e387ff..071da43311 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/MuteDialog.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/MuteDialog.kt
@@ -18,7 +18,7 @@ fun showMuteDialog(
 
 private enum class Option(@StringRes val stringRes: Int, val getTime: () -> Long) {
     ONE_HOUR(R.string.arrays__mute_for_one_hour, duration = TimeUnit.HOURS.toMillis(1)),
-    TWO_HOURS(R.string.arrays__mute_for_two_hours, duration = TimeUnit.DAYS.toMillis(2)),
+    TWO_HOURS(R.string.arrays__mute_for_two_hours, duration = TimeUnit.HOURS.toMillis(2)),
     ONE_DAY(R.string.arrays__mute_for_one_day, duration = TimeUnit.DAYS.toMillis(1)),
     SEVEN_DAYS(R.string.arrays__mute_for_seven_days, duration = TimeUnit.DAYS.toMillis(7)),
     FOREVER(R.string.arrays__mute_forever, getTime = { Long.MAX_VALUE });
diff --git a/app/src/main/java/org/thoughtcrime/securesms/conversation/start/NewConversationFragment.kt b/app/src/main/java/org/thoughtcrime/securesms/conversation/start/NewConversationFragment.kt
index 1ffc65f592..8dffb1fd9b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/conversation/start/NewConversationFragment.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/conversation/start/NewConversationFragment.kt
@@ -27,7 +27,11 @@ import org.thoughtcrime.securesms.groups.JoinCommunityFragment
 @AndroidEntryPoint
 class StartConversationFragment : BottomSheetDialogFragment(), StartConversationDelegate {
 
-    private val defaultPeekHeight: Int by lazy { (Resources.getSystem().displayMetrics.heightPixels * 0.94).toInt() }
+    companion object{
+        const val PEEK_RATIO = 0.94f
+    }
+
+    private val defaultPeekHeight: Int by lazy { (Resources.getSystem().displayMetrics.heightPixels * PEEK_RATIO).toInt() }
 
     override fun onCreateView(
         inflater: LayoutInflater, container: ViewGroup?,
diff --git a/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessage.kt b/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessage.kt
index 97740b2a26..f0a6e21b4c 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessage.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessage.kt
@@ -1,10 +1,13 @@
 package org.thoughtcrime.securesms.conversation.start.newmessage
 
-import androidx.compose.animation.AnimatedVisibility
+import android.graphics.Rect
+import android.os.Build
+import android.view.ViewTreeObserver
 import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.consumeWindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
@@ -15,23 +18,31 @@ import androidx.compose.foundation.pager.rememberPagerState
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.DisposableEffect
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.input.nestedscroll.nestedScroll
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.LocalView
+import androidx.compose.ui.platform.rememberNestedScrollInteropConnection
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.tooling.preview.PreviewParameter
+import androidx.compose.ui.unit.Dp
+import androidx.compose.ui.unit.dp
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.emptyFlow
 import network.loki.messenger.R
-import org.thoughtcrime.securesms.onboarding.ui.ContinuePrimaryOutlineButton
+import org.thoughtcrime.securesms.conversation.start.StartConversationFragment.Companion.PEEK_RATIO
 import org.thoughtcrime.securesms.ui.LoadingArcOr
-import org.thoughtcrime.securesms.ui.theme.LocalDimensions
-import org.thoughtcrime.securesms.ui.theme.PreviewTheme
-import org.thoughtcrime.securesms.ui.theme.SessionColorsParameterProvider
-import org.thoughtcrime.securesms.ui.theme.ThemeColors
-import org.thoughtcrime.securesms.ui.theme.LocalColors
 import org.thoughtcrime.securesms.ui.components.AppBar
 import org.thoughtcrime.securesms.ui.components.BorderlessButtonWithIcon
 import org.thoughtcrime.securesms.ui.components.MaybeScanQrCode
@@ -39,7 +50,13 @@ import org.thoughtcrime.securesms.ui.components.PrimaryOutlineButton
 import org.thoughtcrime.securesms.ui.components.SessionOutlinedTextField
 import org.thoughtcrime.securesms.ui.components.SessionTabRow
 import org.thoughtcrime.securesms.ui.contentDescription
+import org.thoughtcrime.securesms.ui.theme.LocalColors
+import org.thoughtcrime.securesms.ui.theme.LocalDimensions
 import org.thoughtcrime.securesms.ui.theme.LocalType
+import org.thoughtcrime.securesms.ui.theme.PreviewTheme
+import org.thoughtcrime.securesms.ui.theme.SessionColorsParameterProvider
+import org.thoughtcrime.securesms.ui.theme.ThemeColors
+import kotlin.math.max
 
 private val TITLES = listOf(R.string.enter_account_id, R.string.qrScan)
 
@@ -76,63 +93,113 @@ private fun EnterAccountId(
     callbacks: Callbacks,
     onHelp: () -> Unit = {}
 ) {
-    Column(
-        modifier = Modifier
-            .fillMaxSize()
-            .verticalScroll(rememberScrollState())
-            .imePadding()
-    ) {
-        Column(
-            modifier = Modifier.padding(vertical = LocalDimensions.current.spacing),
-            horizontalAlignment = Alignment.CenterHorizontally,
+    // the scaffold is required to provide the contentPadding. That contentPadding is needed
+    // to properly handle the ime padding.
+    Scaffold() { contentPadding ->
+        // we need this extra surface to handle nested scrolling properly,
+        // because this scrollable component is inside a bottomSheet dialog which is itself scrollable
+        Surface(
+            modifier = Modifier.nestedScroll(rememberNestedScrollInteropConnection()),
+            color = LocalColors.current.backgroundSecondary
         ) {
-            SessionOutlinedTextField(
-                text = state.newMessageIdOrOns,
-                modifier = Modifier
-                    .padding(horizontal = LocalDimensions.current.spacing),
-                contentDescription = "Session id input box",
-                placeholder = stringResource(R.string.accountIdOrOnsEnter),
-                onChange = callbacks::onChange,
-                onContinue = callbacks::onContinue,
-                error = state.error?.string(),
-                isTextErrorColor = state.isTextErrorColor
-            )
 
-            Spacer(modifier = Modifier.height(LocalDimensions.current.xxxsSpacing))
+            var accountModifier = Modifier
+                .fillMaxSize()
+                .verticalScroll(rememberScrollState())
 
-            BorderlessButtonWithIcon(
-                text = stringResource(R.string.messageNewDescription),
-                modifier = Modifier
-                    .contentDescription(R.string.AccessibilityId_help_desk_link)
-                    .padding(horizontal = LocalDimensions.current.mediumSpacing)
-                    .fillMaxWidth(),
-                style = LocalType.current.small,
-                color = LocalColors.current.textSecondary,
-                iconRes = R.drawable.ic_circle_question_mark,
-                onClick = onHelp
-            )
-        }
+            // There is a known issue with the ime padding on android versions below 30
+             /// So on these older versions we need to resort to some manual padding based on the visible height
+            // when the keyboard is up
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+                val keyboardHeight by keyboardHeight()
+                accountModifier = accountModifier.padding(bottom = keyboardHeight)
+            } else {
+                accountModifier = accountModifier
+                    .consumeWindowInsets(contentPadding)
+                    .imePadding()
+            }
 
-        Spacer(modifier = Modifier.height(LocalDimensions.current.smallSpacing))
-        Spacer(Modifier.weight(2f))
+            Column(
+                modifier = accountModifier
+            ) {
+                Column(
+                    modifier = Modifier.padding(vertical = LocalDimensions.current.spacing),
+                    horizontalAlignment = Alignment.CenterHorizontally,
+                ) {
+                    SessionOutlinedTextField(
+                        text = state.newMessageIdOrOns,
+                        modifier = Modifier
+                            .padding(horizontal = LocalDimensions.current.spacing),
+                        contentDescription = "Session id input box",
+                        placeholder = stringResource(R.string.accountIdOrOnsEnter),
+                        onChange = callbacks::onChange,
+                        onContinue = callbacks::onContinue,
+                        error = state.error?.string(),
+                        isTextErrorColor = state.isTextErrorColor
+                    )
 
-        PrimaryOutlineButton(
-            modifier = Modifier
-                .align(Alignment.CenterHorizontally)
-                .padding(horizontal = LocalDimensions.current.xlargeSpacing)
-                .padding(bottom = LocalDimensions.current.smallSpacing)
-                .fillMaxWidth()
-                .contentDescription(R.string.next),
-            enabled = state.isNextButtonEnabled,
-            onClick = callbacks::onContinue
-        ) {
-            LoadingArcOr(state.loading) {
-                Text(stringResource(R.string.next))
+                    Spacer(modifier = Modifier.height(LocalDimensions.current.xxxsSpacing))
+
+                    BorderlessButtonWithIcon(
+                        text = stringResource(R.string.messageNewDescription),
+                        modifier = Modifier
+                            .contentDescription(R.string.AccessibilityId_help_desk_link)
+                            .padding(horizontal = LocalDimensions.current.mediumSpacing)
+                            .fillMaxWidth(),
+                        style = LocalType.current.small,
+                        color = LocalColors.current.textSecondary,
+                        iconRes = R.drawable.ic_circle_question_mark,
+                        onClick = onHelp
+                    )
+                }
+
+                Spacer(modifier = Modifier.height(LocalDimensions.current.smallSpacing))
+                Spacer(Modifier.weight(2f))
+
+                PrimaryOutlineButton(
+                    modifier = Modifier
+                        .align(Alignment.CenterHorizontally)
+                        .padding(horizontal = LocalDimensions.current.xlargeSpacing)
+                        .padding(bottom = LocalDimensions.current.smallSpacing)
+                        .fillMaxWidth()
+                        .contentDescription(R.string.next),
+                    enabled = state.isNextButtonEnabled,
+                    onClick = callbacks::onContinue
+                ) {
+                    LoadingArcOr(state.loading) {
+                        Text(stringResource(R.string.next))
+                    }
+                }
             }
         }
     }
 }
 
+@Composable
+fun keyboardHeight(): MutableState<Dp> {
+    val view = LocalView.current
+    var keyboardHeight = remember { mutableStateOf(0.dp) }
+    val density = LocalDensity.current
+
+    DisposableEffect(view) {
+        val listener = ViewTreeObserver.OnGlobalLayoutListener {
+            val rect = Rect()
+            view.getWindowVisibleDisplayFrame(rect)
+            val screenHeight = view.rootView.height * PEEK_RATIO
+            val keypadHeightPx = max( screenHeight - rect.bottom, 0f)
+
+            keyboardHeight.value = with(density) { keypadHeightPx.toDp() }
+        }
+
+        view.viewTreeObserver.addOnGlobalLayoutListener(listener)
+        onDispose {
+            view.viewTreeObserver.removeOnGlobalLayoutListener(listener)
+        }
+    }
+
+    return keyboardHeight
+}
+
 @Preview
 @Composable
 private fun PreviewNewMessage(
diff --git a/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessageViewModel.kt b/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessageViewModel.kt
index 65c8dd539a..6ed8a08233 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessageViewModel.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/conversation/start/newmessage/NewMessageViewModel.kt
@@ -46,7 +46,7 @@ internal class NewMessageViewModel @Inject constructor(
     }
 
     override fun onContinue() {
-        val idOrONS = state.value.newMessageIdOrOns
+        val idOrONS = state.value.newMessageIdOrOns.trim()
 
         if (PublicKeyValidation.isValid(idOrONS, isPrefixRequired = false)) {
             onUnvalidatedPublicKey(publicKey = idOrONS)
diff --git a/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt b/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
index 98f300dc66..8a09ba542b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/ConversationActivityV2.kt
@@ -164,7 +164,6 @@ import org.thoughtcrime.securesms.mms.VideoSlide
 import org.thoughtcrime.securesms.permissions.Permissions
 import org.thoughtcrime.securesms.reactions.ReactionsDialogFragment
 import org.thoughtcrime.securesms.reactions.any.ReactWithAnyEmojiDialogFragment
-import org.thoughtcrime.securesms.recoverypassword.RecoveryPasswordActivity
 import org.thoughtcrime.securesms.showSessionDialog
 import org.thoughtcrime.securesms.util.ActivityDispatcher
 import org.thoughtcrime.securesms.util.ConfigurationMessageUtilities
@@ -177,7 +176,6 @@ import org.thoughtcrime.securesms.util.isScrolledToBottom
 import org.thoughtcrime.securesms.util.isScrolledToWithin30dpOfBottom
 import org.thoughtcrime.securesms.util.push
 import org.thoughtcrime.securesms.util.show
-import org.thoughtcrime.securesms.util.start
 import org.thoughtcrime.securesms.util.toPx
 import java.lang.ref.WeakReference
 import java.util.Locale
@@ -1589,8 +1587,15 @@ class ConversationActivityV2 : PassphraseRequiredActionBarActivity(), InputBarDe
         val text = getMessageBody()
         val userPublicKey = textSecurePreferences.getLocalNumber()
         val isNoteToSelf = (recipient.isContactRecipient && recipient.address.toString() == userPublicKey)
-        if (text.contains(seed) && !isNoteToSelf && !hasPermissionToSendSeed) {
-            start<RecoveryPasswordActivity>()
+        if (seed in text && !isNoteToSelf && !hasPermissionToSendSeed) {
+            showSessionDialog {
+                title(R.string.dialog_send_seed_title)
+                text(R.string.dialog_send_seed_explanation)
+                button(R.string.dialog_send_seed_send_button_title) { sendTextOnlyMessage(true) }
+                cancelButton()
+            }
+
+            return null
         }
         // Create the message
         val message = VisibleMessage().applyExpiryMode(viewModel.threadId)
diff --git a/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/SendSeedDialog.kt b/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/SendSeedDialog.kt
deleted file mode 100644
index 6abb0814d6..0000000000
--- a/app/src/main/java/org/thoughtcrime/securesms/conversation/v2/dialogs/SendSeedDialog.kt
+++ /dev/null
@@ -1,23 +0,0 @@
-package org.thoughtcrime.securesms.conversation.v2.dialogs
-
-import android.app.Dialog
-import android.os.Bundle
-import androidx.fragment.app.DialogFragment
-import network.loki.messenger.R
-import org.thoughtcrime.securesms.createSessionDialog
-
-/** Shown if the user is about to send their recovery phrase to someone. */
-class SendSeedDialog(private val proceed: (() -> Unit)? = null) : DialogFragment() {
-
-    override fun onCreateDialog(savedInstanceState: Bundle?): Dialog = createSessionDialog {
-        title(R.string.dialog_send_seed_title)
-        text(R.string.dialog_send_seed_explanation)
-        button(R.string.dialog_send_seed_send_button_title) { send() }
-        cancelButton()
-    }
-
-    private fun send() {
-        proceed?.invoke()
-        dismiss()
-    }
-}
diff --git a/app/src/main/java/org/thoughtcrime/securesms/home/HomeActivity.kt b/app/src/main/java/org/thoughtcrime/securesms/home/HomeActivity.kt
index 74ce5638da..5c411b54a5 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/home/HomeActivity.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/home/HomeActivity.kt
@@ -80,16 +80,14 @@ import org.thoughtcrime.securesms.util.start
 import java.io.IOException
 import javax.inject.Inject
 
+private const val NEW_ACCOUNT = "HomeActivity_NEW_ACCOUNT"
+private const val FROM_ONBOARDING = "HomeActivity_FROM_ONBOARDING"
+
 @AndroidEntryPoint
 class HomeActivity : PassphraseRequiredActionBarActivity(),
     ConversationClickListener,
     GlobalSearchInputLayout.GlobalSearchInputLayoutListener {
 
-    companion object {
-        const val NEW_ACCOUNT = "HomeActivity_NEW_ACCOUNT"
-        const val FROM_ONBOARDING = "HomeActivity_FROM_ONBOARDING"
-    }
-
     private lateinit var binding: ActivityHomeBinding
     private lateinit var glide: RequestManager
 
@@ -137,7 +135,8 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
         }
     }
 
-    private val isNewAccount: Boolean get() = intent.getBooleanExtra(FROM_ONBOARDING, false)
+    private val isFromOnboarding: Boolean get() = intent.getBooleanExtra(FROM_ONBOARDING, false)
+    private val isNewAccount: Boolean get() = intent.getBooleanExtra(NEW_ACCOUNT, false)
 
     // region Lifecycle
     override fun onCreate(savedInstanceState: Bundle?, isReady: Boolean) {
@@ -251,7 +250,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
                         }
                         else -> buildList {
                             result.contactAndGroupList.takeUnless { it.isEmpty() }?.let {
-                                add(GlobalSearchAdapter.Model.Header(R.string.contacts))
+                                add(GlobalSearchAdapter.Model.Header(R.string.conversations))
                                 addAll(it)
                             }
                             result.messageResults.takeUnless { it.isEmpty() }?.let {
@@ -264,8 +263,7 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
             }
         }
         EventBus.getDefault().register(this@HomeActivity)
-        if (intent.hasExtra(FROM_ONBOARDING)
-            && intent.getBooleanExtra(FROM_ONBOARDING, false)) {
+        if (isFromOnboarding) {
             if (Build.VERSION.SDK_INT >= 33 &&
                 (getSystemService(NOTIFICATION_SERVICE) as NotificationManager).areNotificationsEnabled().not()) {
                 Permissions.with(this)
@@ -637,10 +635,10 @@ class HomeActivity : PassphraseRequiredActionBarActivity(),
     }
 }
 
-fun Context.startHomeActivity(isNewAccount: Boolean) {
+fun Context.startHomeActivity(isFromOnboarding: Boolean, isNewAccount: Boolean) {
     Intent(this, HomeActivity::class.java).apply {
         flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
-        putExtra(HomeActivity.NEW_ACCOUNT, true)
-        putExtra(HomeActivity.FROM_ONBOARDING, true)
+        putExtra(NEW_ACCOUNT, isNewAccount)
+        putExtra(FROM_ONBOARDING, isFromOnboarding)
     }.also(::startActivity)
 }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/onboarding/loading/LoadingActivity.kt b/app/src/main/java/org/thoughtcrime/securesms/onboarding/loading/LoadingActivity.kt
index 9c8a1869d4..abf0471598 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/onboarding/loading/LoadingActivity.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/onboarding/loading/LoadingActivity.kt
@@ -32,7 +32,7 @@ class LoadingActivity: BaseActionBarActivity() {
 
         when {
             loadFailed -> startPickDisplayNameActivity(loadFailed = true)
-            else -> startHomeActivity(isNewAccount = false)
+            else -> startHomeActivity(isNewAccount = false, isFromOnboarding = true)
         }
 
         finish()
diff --git a/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/CreateAccountManager.kt b/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/CreateAccountManager.kt
index 1e0a21d571..98e9c8b20d 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/CreateAccountManager.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/CreateAccountManager.kt
@@ -8,6 +8,7 @@ import org.session.libsignal.utilities.KeyHelper
 import org.session.libsignal.utilities.hexEncodedPublicKey
 import org.thoughtcrime.securesms.crypto.KeyPairUtilities
 import org.thoughtcrime.securesms.dependencies.ConfigFactory
+import org.thoughtcrime.securesms.util.VersionDataFetcher
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -16,6 +17,7 @@ class CreateAccountManager @Inject constructor(
     private val application: Application,
     private val prefs: TextSecurePreferences,
     private val configFactory: ConfigFactory,
+    private val versionDataFetcher: VersionDataFetcher
 ) {
     private val database: LokiAPIDatabaseProtocol
         get() = SnodeModule.shared.storage
@@ -41,5 +43,7 @@ class CreateAccountManager @Inject constructor(
         prefs.setLocalRegistrationId(registrationID)
         prefs.setLocalNumber(userHexEncodedPublicKey)
         prefs.setRestorationTime(0)
+
+        versionDataFetcher.startTimedVersionCheck()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/LoadAccountManager.kt b/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/LoadAccountManager.kt
index 5a40103830..51d1b24609 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/LoadAccountManager.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/onboarding/manager/LoadAccountManager.kt
@@ -12,6 +12,7 @@ import org.session.libsignal.utilities.hexEncodedPublicKey
 import org.thoughtcrime.securesms.ApplicationContext
 import org.thoughtcrime.securesms.crypto.KeyPairUtilities
 import org.thoughtcrime.securesms.dependencies.ConfigFactory
+import org.thoughtcrime.securesms.util.VersionDataFetcher
 import javax.inject.Inject
 import javax.inject.Singleton
 
@@ -19,7 +20,8 @@ import javax.inject.Singleton
 class LoadAccountManager @Inject constructor(
     @dagger.hilt.android.qualifiers.ApplicationContext private val context: Context,
     private val configFactory: ConfigFactory,
-    private val prefs: TextSecurePreferences
+    private val prefs: TextSecurePreferences,
+    private val versionDataFetcher: VersionDataFetcher
 ) {
     private val database: LokiAPIDatabaseProtocol
         get() = SnodeModule.shared.storage
@@ -52,6 +54,8 @@ class LoadAccountManager @Inject constructor(
                 setHasViewedSeed(true)
             }
 
+            versionDataFetcher.startTimedVersionCheck()
+
             ApplicationContext.getInstance(context).retrieveUserProfile()
         }
     }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/onboarding/messagenotifications/MessageNotificationsActivity.kt b/app/src/main/java/org/thoughtcrime/securesms/onboarding/messagenotifications/MessageNotificationsActivity.kt
index 42cf49bce8..9ea4fd2bd6 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/onboarding/messagenotifications/MessageNotificationsActivity.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/onboarding/messagenotifications/MessageNotificationsActivity.kt
@@ -49,7 +49,7 @@ class MessageNotificationsActivity : BaseActionBarActivity() {
             viewModel.events.collect {
                 when (it) {
                     Event.Loading -> start<LoadingActivity>()
-                    Event.OnboardingComplete -> startHomeActivity(isNewAccount = true)
+                    Event.OnboardingComplete -> startHomeActivity(isNewAccount = true, isFromOnboarding = true)
                 }
             }
         }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/onboarding/pickname/PickDisplayNameActivity.kt b/app/src/main/java/org/thoughtcrime/securesms/onboarding/pickname/PickDisplayNameActivity.kt
index 97aacf82e6..8ade5b4e8e 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/onboarding/pickname/PickDisplayNameActivity.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/onboarding/pickname/PickDisplayNameActivity.kt
@@ -45,7 +45,7 @@ class PickDisplayNameActivity : BaseActionBarActivity() {
             viewModel.events.collect {
                 when (it) {
                     is Event.CreateAccount -> startMessageNotificationsActivity(it.profileName)
-                    Event.LoadAccountComplete -> startHomeActivity(isNewAccount = false)
+                    Event.LoadAccountComplete -> startHomeActivity(isNewAccount = false, isFromOnboarding = true)
                 }
             }
         }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/preferences/appearance/AppearanceSettingsViewModel.kt b/app/src/main/java/org/thoughtcrime/securesms/preferences/appearance/AppearanceSettingsViewModel.kt
index afe33400ff..2547e23e22 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/preferences/appearance/AppearanceSettingsViewModel.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/preferences/appearance/AppearanceSettingsViewModel.kt
@@ -6,7 +6,7 @@ import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import org.session.libsession.utilities.TextSecurePreferences
-import org.thoughtcrime.securesms.ui.theme.selectedTheme
+import org.thoughtcrime.securesms.ui.theme.invalidateComposeThemeColors
 import org.thoughtcrime.securesms.util.ThemeState
 import org.thoughtcrime.securesms.util.themeState
 import javax.inject.Inject
@@ -21,6 +21,8 @@ class AppearanceSettingsViewModel @Inject constructor(private val prefs: TextSec
         prefs.setAccentColorStyle(newAccentColorStyle)
         // update UI state
         _uiState.value = prefs.themeState()
+
+        invalidateComposeThemeColors()
     }
 
     fun setNewStyle(newThemeStyle: String) {
@@ -28,16 +30,13 @@ class AppearanceSettingsViewModel @Inject constructor(private val prefs: TextSec
         // update UI state
         _uiState.value = prefs.themeState()
 
-        // force compose to refresh its style reference
-        selectedTheme = null
+        invalidateComposeThemeColors()
     }
 
     fun setNewFollowSystemSettings(followSystemSettings: Boolean) {
         prefs.setFollowSystemSettings(followSystemSettings)
         _uiState.value = prefs.themeState()
 
-        // force compose to refresh its style reference
-        selectedTheme = null
+        invalidateComposeThemeColors()
     }
-
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeColorSet.kt b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeColorSet.kt
deleted file mode 100644
index 3ff4d55b61..0000000000
--- a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeColorSet.kt
+++ /dev/null
@@ -1,10 +0,0 @@
-package org.thoughtcrime.securesms.ui.theme
-
-/**
- * This class holds two instances of [ThemeColors], [light] representing the [ThemeColors] to use when the system is in a
- * light theme, and [dark] representing the [ThemeColors] to use when the system is in a dark theme.
- */
-data class ThemeColorSet(
-    val light: ThemeColors,
-    val dark: ThemeColors
-)
\ No newline at end of file
diff --git a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeColorsProvider.kt b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeColorsProvider.kt
new file mode 100644
index 0000000000..0713254afc
--- /dev/null
+++ b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeColorsProvider.kt
@@ -0,0 +1,20 @@
+package org.thoughtcrime.securesms.ui.theme
+
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.runtime.Composable
+
+fun interface ThemeColorsProvider {
+    @Composable
+    fun get(): ThemeColors
+}
+
+@Suppress("FunctionName")
+fun FollowSystemThemeColorsProvider(light: ThemeColors, dark: ThemeColors) = ThemeColorsProvider {
+    when {
+        isSystemInDarkTheme() -> dark
+        else -> light
+    }
+}
+
+@Suppress("FunctionName")
+fun ThemeColorsProvider(colors: ThemeColors) = ThemeColorsProvider { colors }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeFromPreferences.kt b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeFromPreferences.kt
index 8988e84ca7..403235ef79 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeFromPreferences.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/ThemeFromPreferences.kt
@@ -1,7 +1,5 @@
 package org.thoughtcrime.securesms.ui.theme
 
-import androidx.compose.foundation.isSystemInDarkTheme
-import androidx.compose.runtime.Composable
 import androidx.compose.ui.graphics.Color
 import org.session.libsession.utilities.TextSecurePreferences
 import org.session.libsession.utilities.TextSecurePreferences.Companion.BLUE_ACCENT
@@ -17,38 +15,25 @@ import org.session.libsession.utilities.TextSecurePreferences.Companion.YELLOW_A
  * Some behaviour is hardcoded to cater for legacy usage of people with themes already set
  * But future themes will be picked and set directly from the "Appearance" screen
  */
-@Composable
-fun TextSecurePreferences.getComposeTheme(): ThemeColors {
+fun TextSecurePreferences.getColorsProvider(): ThemeColorsProvider {
     val selectedTheme = getThemeStyle()
 
     // get the chosen primary color from the preferences
     val selectedPrimary = primaryColor()
 
-    // create a theme set with the appropriate primary
-    val colorSet = when(selectedTheme){
-        TextSecurePreferences.OCEAN_DARK,
-        TextSecurePreferences.OCEAN_LIGHT -> ThemeColorSet(
-            light = OceanLight(selectedPrimary),
-            dark = OceanDark(selectedPrimary)
-        )
-
-        else -> ThemeColorSet(
-            light = ClassicLight(selectedPrimary),
-            dark = ClassicDark(selectedPrimary)
+    val isOcean = "ocean" in selectedTheme
+
+    val createLight = if (isOcean) ::OceanLight else ::ClassicLight
+    val createDark = if (isOcean) ::OceanDark else ::ClassicDark
+
+    return when {
+        getFollowSystemSettings() -> FollowSystemThemeColorsProvider(
+            light = createLight(selectedPrimary),
+            dark = createDark(selectedPrimary)
         )
+        "light" in selectedTheme -> ThemeColorsProvider(createLight(selectedPrimary))
+        else -> ThemeColorsProvider(createDark(selectedPrimary))
     }
-
-    // deliver the right set from the light/dark mode chosen
-    val theme = when{
-        getFollowSystemSettings() -> if(isSystemInDarkTheme()) colorSet.dark else colorSet.light
-
-        selectedTheme == TextSecurePreferences.CLASSIC_LIGHT ||
-                selectedTheme == TextSecurePreferences.OCEAN_LIGHT -> colorSet.light
-
-        else -> colorSet.dark
-    }
-
-    return theme
 }
 
 fun TextSecurePreferences.primaryColor(): Color = when(getSelectedAccentColor()) {
@@ -60,6 +45,3 @@ fun TextSecurePreferences.primaryColor(): Color = when(getSelectedAccentColor())
     YELLOW_ACCENT -> primaryYellow
     else -> primaryGreen
 }
-
-
-
diff --git a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/Themes.kt b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/Themes.kt
index 87e91e0ab0..2f4957565b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/ui/theme/Themes.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/ui/theme/Themes.kt
@@ -20,7 +20,12 @@ import org.session.libsession.utilities.AppTextSecurePreferences
 val LocalColors = compositionLocalOf <ThemeColors> { ClassicDark() }
 val LocalType = compositionLocalOf { sessionTypography }
 
-var selectedTheme: ThemeColors? = null
+var cachedColorsProvider: ThemeColorsProvider? = null
+
+fun invalidateComposeThemeColors() {
+    // invalidate compose theme colors
+    cachedColorsProvider = null
+}
 
 /**
  * Apply a Material2 compose theme based on user selections in SharedPreferences.
@@ -29,15 +34,15 @@ var selectedTheme: ThemeColors? = null
 fun SessionMaterialTheme(
     content: @Composable () -> Unit
 ) {
-    // set the theme data if it hasn't been done yet
-    if(selectedTheme == null) {
-        // Some values can be set from the preferences, and if not should fallback to a default value
-        val context = LocalContext.current
-        val preferences = AppTextSecurePreferences(context)
-        selectedTheme = preferences.getComposeTheme()
-    }
+    val context = LocalContext.current
+    val preferences = AppTextSecurePreferences(context)
 
-    SessionMaterialTheme(colors = selectedTheme ?: ClassicDark()) { content() }
+    val cachedColors = cachedColorsProvider ?: preferences.getColorsProvider().also { cachedColorsProvider = it }
+
+    SessionMaterialTheme(
+        colors = cachedColors.get(),
+        content = content
+    )
 }
 
 /**
@@ -58,9 +63,8 @@ fun SessionMaterialTheme(
             LocalType provides sessionTypography,
             LocalContentColor provides colors.text,
             LocalTextSelectionColors provides colors.textSelectionColors,
-        ) {
-            content()
-        }
+            content = content
+        )
     }
 }
 
diff --git a/app/src/main/java/org/thoughtcrime/securesms/util/VersionDataFetcher.kt b/app/src/main/java/org/thoughtcrime/securesms/util/VersionDataFetcher.kt
new file mode 100644
index 0000000000..aba814524c
--- /dev/null
+++ b/app/src/main/java/org/thoughtcrime/securesms/util/VersionDataFetcher.kt
@@ -0,0 +1,60 @@
+package org.thoughtcrime.securesms.util
+
+import android.os.Handler
+import android.os.Looper
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import org.session.libsession.messaging.file_server.FileServerApi
+import org.session.libsession.utilities.TextSecurePreferences
+import org.session.libsignal.utilities.Log
+import javax.inject.Inject
+import javax.inject.Singleton
+import kotlin.time.Duration.Companion.hours
+
+private val TAG: String = VersionDataFetcher::class.java.simpleName
+private val REFRESH_TIME_MS = 4.hours.inWholeMilliseconds
+
+@Singleton
+class VersionDataFetcher @Inject constructor(
+    private val prefs: TextSecurePreferences
+) {
+    private val handler = Handler(Looper.getMainLooper())
+    private val fetchVersionData = Runnable {
+        scope.launch {
+            try {
+                // Perform the version check
+                val clientVersion = FileServerApi.getClientVersion()
+                Log.i(TAG, "Fetched version data: $clientVersion")
+                prefs.setLastVersionCheck()
+                startTimedVersionCheck()
+            } catch (e: Exception) {
+                // We can silently ignore the error
+                Log.e(TAG, "Error fetching version data", e)
+                // Schedule the next check for 4 hours from now, but do not setLastVersionCheck
+                // so the app will retry when the app is next foregrounded.
+                startTimedVersionCheck(REFRESH_TIME_MS)
+            }
+        }
+    }
+
+    private val scope = CoroutineScope(Dispatchers.Default)
+
+    /**
+     * Schedules fetching version data.
+     *
+     * @param delayMillis The delay before fetching version data. Default value is 4 hours from the
+     * last check or 0 if there was no previous check or if it was longer than 4 hours ago.
+     */
+    @JvmOverloads
+    fun startTimedVersionCheck(
+        delayMillis: Long = REFRESH_TIME_MS + prefs.getLastVersionCheck() - System.currentTimeMillis()
+    ) {
+        stopTimedVersionCheck()
+        handler.postDelayed(fetchVersionData, delayMillis)
+    }
+
+    fun stopTimedVersionCheck() {
+        handler.removeCallbacks(fetchVersionData)
+    }
+}
\ No newline at end of file
diff --git a/libsession-util/libsession-util b/libsession-util/libsession-util
index 20c06674d8..0193c36e0d 160000
--- a/libsession-util/libsession-util
+++ b/libsession-util/libsession-util
@@ -1 +1 @@
-Subproject commit 20c06674d85369c2d12261582dd36a9f21504233
+Subproject commit 0193c36e0dad461385d6407a00f33b7314e6d740
diff --git a/libsession-util/src/main/cpp/CMakeLists.txt b/libsession-util/src/main/cpp/CMakeLists.txt
index 47fee4803c..f65667bcb5 100644
--- a/libsession-util/src/main/cpp/CMakeLists.txt
+++ b/libsession-util/src/main/cpp/CMakeLists.txt
@@ -30,6 +30,7 @@ set(SOURCES
         config_base.cpp
         contacts.cpp
         conversation.cpp
+        blinded_key.cpp
         util.cpp)
 
 add_library( # Sets the name of the library.
diff --git a/libsession-util/src/main/cpp/blinded_key.cpp b/libsession-util/src/main/cpp/blinded_key.cpp
new file mode 100644
index 0000000000..1ed1cfd554
--- /dev/null
+++ b/libsession-util/src/main/cpp/blinded_key.cpp
@@ -0,0 +1,34 @@
+#include <jni.h>
+#include <session/blinding.hpp>
+
+#include "util.h"
+#include "jni_utils.h"
+
+//
+// Created by Thomas Ruffie on 29/7/2024.
+//
+
+extern "C"
+JNIEXPORT jobject JNICALL
+Java_network_loki_messenger_libsession_1util_util_BlindKeyAPI_blindVersionKeyPair(JNIEnv *env,
+                                                                                  jobject thiz,
+                                                                                  jbyteArray ed25519_secret_key) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jobject>(env, [=] {
+        const auto [pk, sk] = session::blind_version_key_pair(util::ustring_from_bytes(env, ed25519_secret_key));
+
+        jclass kp_class = env->FindClass("network/loki/messenger/libsession_util/util/KeyPair");
+        jmethodID kp_constructor = env->GetMethodID(kp_class, "<init>", "([B[B)V");
+        return env->NewObject(kp_class, kp_constructor, util::bytes_from_ustring(env, {pk.data(), pk.size()}), util::bytes_from_ustring(env, {sk.data(), sk.size()}));
+    });
+}
+extern "C"
+JNIEXPORT jbyteArray JNICALL
+Java_network_loki_messenger_libsession_1util_util_BlindKeyAPI_blindVersionSign(JNIEnv *env,
+                                                                               jobject thiz,
+                                                                               jbyteArray ed25519_secret_key,
+                                                                               jlong timestamp) {
+    return jni_utils::run_catching_cxx_exception_or_throws<jbyteArray>(env, [=] {
+        auto bytes = session::blind_version_sign(util::ustring_from_bytes(env, ed25519_secret_key), session::Platform::android, timestamp);
+        return util::bytes_from_ustring(env, bytes);
+    });
+}
\ No newline at end of file
diff --git a/libsession-util/src/main/java/network/loki/messenger/libsession_util/util/BlindKeyAPI.kt b/libsession-util/src/main/java/network/loki/messenger/libsession_util/util/BlindKeyAPI.kt
new file mode 100644
index 0000000000..cd3dac3af2
--- /dev/null
+++ b/libsession-util/src/main/java/network/loki/messenger/libsession_util/util/BlindKeyAPI.kt
@@ -0,0 +1,15 @@
+package network.loki.messenger.libsession_util.util
+
+object BlindKeyAPI {
+    private val loadLibrary by lazy {
+        System.loadLibrary("session_util")
+    }
+
+    init {
+        // Ensure the library is loaded at initialization
+        loadLibrary
+    }
+
+    external fun blindVersionKeyPair(ed25519SecretKey: ByteArray): KeyPair
+    external fun blindVersionSign(ed25519SecretKey: ByteArray, timestamp: Long): ByteArray
+}
\ No newline at end of file
diff --git a/libsession/src/main/java/org/session/libsession/messaging/file_server/FileServerApi.kt b/libsession/src/main/java/org/session/libsession/messaging/file_server/FileServerApi.kt
index 5bffed57ee..6a9c95aa56 100644
--- a/libsession/src/main/java/org/session/libsession/messaging/file_server/FileServerApi.kt
+++ b/libsession/src/main/java/org/session/libsession/messaging/file_server/FileServerApi.kt
@@ -1,18 +1,22 @@
 package org.session.libsession.messaging.file_server
 
+import android.util.Base64
+import network.loki.messenger.libsession_util.util.BlindKeyAPI
 import nl.komponents.kovenant.Promise
 import nl.komponents.kovenant.functional.map
-import okhttp3.Headers
 import okhttp3.Headers.Companion.toHeaders
 import okhttp3.HttpUrl
 import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
-import okhttp3.MediaType
 import okhttp3.MediaType.Companion.toMediaType
 import okhttp3.RequestBody
+import org.session.libsession.messaging.MessagingModuleConfiguration
 import org.session.libsession.snode.OnionRequestAPI
+import org.session.libsession.snode.utilities.await
 import org.session.libsignal.utilities.HTTP
 import org.session.libsignal.utilities.JsonUtil
 import org.session.libsignal.utilities.Log
+import org.session.libsignal.utilities.toHexString
+import kotlin.time.Duration.Companion.milliseconds
 
 object FileServerApi {
 
@@ -23,6 +27,7 @@ object FileServerApi {
     sealed class Error(message: String) : Exception(message) {
         object ParsingFailed : Error("Invalid response.")
         object InvalidURL : Error("Invalid URL.")
+        object NoEd25519KeyPair : Error("Couldn't find ed25519 key pair.")
     }
 
     data class Request(
@@ -105,4 +110,50 @@ object FileServerApi {
         val request = Request(verb = HTTP.Verb.GET, endpoint = "file/$file")
         return send(request)
     }
+
+    /**
+     * Returns the current version of session
+     * This is effectively proxying (and caching) the response from the github release
+     * page.
+     *
+     * Note that the value is cached and can be up to 30 minutes out of date normally, and up to 24
+     * hours out of date if we cannot reach the Github API for some reason.
+     *
+     * https://github.com/oxen-io/session-file-server/blob/dev/doc/api.yaml#L119
+     */
+    suspend fun getClientVersion(): VersionData {
+        // Generate the auth signature
+        val secretKey =  MessagingModuleConfiguration.shared.getUserED25519KeyPair()?.secretKey?.asBytes
+            ?: throw (Error.NoEd25519KeyPair)
+
+        val blindedKeys = BlindKeyAPI.blindVersionKeyPair(secretKey)
+        val timestamp = System.currentTimeMillis().milliseconds.inWholeSeconds //  The current timestamp in seconds
+        val signature = BlindKeyAPI.blindVersionSign(secretKey, timestamp)
+
+        // The hex encoded version-blinded public key with a 07 prefix
+        val blindedPkHex = "07" + blindedKeys.pubKey.toHexString()
+
+        val request = Request(
+            verb = HTTP.Verb.GET,
+            endpoint = "session_version",
+            queryParameters = mapOf("platform" to "android"),
+            headers = mapOf(
+                "X-FS-Pubkey" to blindedPkHex,
+                "X-FS-Timestamp" to timestamp.toString(),
+                "X-FS-Signature" to Base64.encodeToString(signature, Base64.NO_WRAP)
+            )
+        )
+
+        // transform the promise into a coroutine
+        val result = send(request).await()
+
+        // map out the result
+        return JsonUtil.fromJson(result, Map::class.java).let {
+            VersionData(
+                statusCode = it["status_code"] as? Int ?: 0,
+                version = it["result"] as? String ?: "",
+                updated = it["updated"] as? Double ?: 0.0
+            )
+        }
+    }
 }
\ No newline at end of file
diff --git a/libsession/src/main/java/org/session/libsession/messaging/file_server/VersionData.kt b/libsession/src/main/java/org/session/libsession/messaging/file_server/VersionData.kt
new file mode 100644
index 0000000000..b7c28020e7
--- /dev/null
+++ b/libsession/src/main/java/org/session/libsession/messaging/file_server/VersionData.kt
@@ -0,0 +1,7 @@
+package org.session.libsession.messaging.file_server
+
+data class VersionData(
+    val statusCode: Int, // The value 200. Included for backwards compatibility, and may be removed someday.
+    val version: String, // The Session version.
+    val updated: Double // The unix timestamp when this version was retrieved from Github; this can be up to 24 hours ago in case of consistent fetch errors, though normally will be within the last 30 minutes.
+)
\ No newline at end of file
diff --git a/libsession/src/main/java/org/session/libsession/snode/utilities/PromiseUtil.kt b/libsession/src/main/java/org/session/libsession/snode/utilities/PromiseUtil.kt
new file mode 100644
index 0000000000..9c55a2282a
--- /dev/null
+++ b/libsession/src/main/java/org/session/libsession/snode/utilities/PromiseUtil.kt
@@ -0,0 +1,13 @@
+package org.session.libsession.snode.utilities
+
+import nl.komponents.kovenant.Promise
+import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
+import kotlin.coroutines.suspendCoroutine
+
+suspend fun <T, E: Throwable> Promise<T, E>.await(): T {
+    return suspendCoroutine { cont ->
+        success(cont::resume)
+        fail(cont::resumeWithException)
+    }
+}
\ No newline at end of file
diff --git a/libsession/src/main/java/org/session/libsession/utilities/TextSecurePreferences.kt b/libsession/src/main/java/org/session/libsession/utilities/TextSecurePreferences.kt
index 12fdd4ceaf..5bf109843d 100644
--- a/libsession/src/main/java/org/session/libsession/utilities/TextSecurePreferences.kt
+++ b/libsession/src/main/java/org/session/libsession/utilities/TextSecurePreferences.kt
@@ -13,6 +13,7 @@ import kotlinx.coroutines.channels.BufferOverflow
 import kotlinx.coroutines.flow.MutableSharedFlow
 import kotlinx.coroutines.flow.asSharedFlow
 import org.session.libsession.R
+import org.session.libsession.utilities.TextSecurePreferences.Companion
 import org.session.libsession.utilities.TextSecurePreferences.Companion.AUTOPLAY_AUDIO_MESSAGES
 import org.session.libsession.utilities.TextSecurePreferences.Companion.CALL_NOTIFICATIONS_ENABLED
 import org.session.libsession.utilities.TextSecurePreferences.Companion.CLASSIC_DARK
@@ -20,6 +21,7 @@ import org.session.libsession.utilities.TextSecurePreferences.Companion.CLASSIC_
 import org.session.libsession.utilities.TextSecurePreferences.Companion.FOLLOW_SYSTEM_SETTINGS
 import org.session.libsession.utilities.TextSecurePreferences.Companion.HIDE_PASSWORD
 import org.session.libsession.utilities.TextSecurePreferences.Companion.LAST_VACUUM_TIME
+import org.session.libsession.utilities.TextSecurePreferences.Companion.LAST_VERSION_CHECK
 import org.session.libsession.utilities.TextSecurePreferences.Companion.LEGACY_PREF_KEY_SELECTED_UI_MODE
 import org.session.libsession.utilities.TextSecurePreferences.Companion.OCEAN_DARK
 import org.session.libsession.utilities.TextSecurePreferences.Companion.OCEAN_LIGHT
@@ -186,6 +188,8 @@ interface TextSecurePreferences {
     fun clearAll()
     fun getHidePassword(): Boolean
     fun setHidePassword(value: Boolean)
+    fun getLastVersionCheck(): Long
+    fun setLastVersionCheck()
 
     companion object {
         val TAG = TextSecurePreferences::class.simpleName
@@ -272,6 +276,7 @@ interface TextSecurePreferences {
         const val AUTOPLAY_AUDIO_MESSAGES = "pref_autoplay_audio"
         const val FINGERPRINT_KEY_GENERATED = "fingerprint_key_generated"
         const val SELECTED_ACCENT_COLOR = "selected_accent_color"
+        const val LAST_VERSION_CHECK = "pref_last_version_check"
 
         const val HAS_RECEIVED_LEGACY_CONFIG = "has_received_legacy_config"
         const val HAS_FORCED_NEW_CONFIG = "has_forced_new_config"
@@ -1541,6 +1546,14 @@ class AppTextSecurePreferences @Inject constructor(
         setLongPreference(LAST_VACUUM_TIME, System.currentTimeMillis())
     }
 
+    override fun getLastVersionCheck(): Long {
+        return getLongPreference(LAST_VERSION_CHECK, 0)
+    }
+
+    override fun setLastVersionCheck() {
+        setLongPreference(LAST_VERSION_CHECK, System.currentTimeMillis())
+    }
+
     override fun setShownCallNotification(): Boolean {
         val previousValue = getBooleanPreference(SHOWN_CALL_NOTIFICATION, false)
         if (previousValue) return false