diff --git a/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkCommandReceiver.kt b/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkCommandReceiver.kt
index 92b15e0622..9fa33fa4ba 100644
--- a/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkCommandReceiver.kt
+++ b/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkCommandReceiver.kt
@@ -13,8 +13,13 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.runBlocking
 import org.signal.benchmark.setup.Generator
 import org.signal.benchmark.setup.Harness
+import org.signal.benchmark.setup.OtherClient
 import org.signal.core.util.ThreadUtil
 import org.signal.core.util.logging.Log
+import org.thoughtcrime.securesms.database.SignalDatabase
+import org.thoughtcrime.securesms.database.TestDbUtils
+import org.thoughtcrime.securesms.groups.GroupId
+import org.thoughtcrime.securesms.recipients.Recipient
 import org.whispersystems.signalservice.internal.push.Envelope
 import org.whispersystems.signalservice.internal.websocket.BenchmarkWebSocketConnection
 import org.whispersystems.signalservice.internal.websocket.WebSocketRequestMessage
@@ -45,6 +50,8 @@ class BenchmarkCommandReceiver : BroadcastReceiver() {
     when (command) {
       "individual-send" -> handlePrepareIndividualSend()
       "group-send" -> handlePrepareGroupSend()
+      "group-delivery-receipt" -> handlePrepareGroupReceipts { client, timestamps -> client.generateInboundDeliveryReceipts(timestamps) }
+      "group-read-receipt" -> handlePrepareGroupReceipts { client, timestamps -> client.generateInboundReadReceipts(timestamps) }
       "release-messages" -> {
         BenchmarkWebSocketConnection.authInstance.startWholeBatchTrace = true
         BenchmarkWebSocketConnection.authInstance.releaseMessages()
@@ -113,6 +120,62 @@ class BenchmarkCommandReceiver : BroadcastReceiver() {
     BenchmarkWebSocketConnection.authInstance.addQueueEmptyMessage()
   }
 
+  private fun handlePrepareGroupReceipts(generateReceipts: (OtherClient, List<Long>) -> List<Envelope>) {
+    val clients = Harness.otherClients.take(5)
+
+    establishGroupSessions(clients)
+
+    val timestamps = getOutgoingGroupMessageTimestamps()
+    Log.i(TAG, "Found ${timestamps.size} outgoing message timestamps for receipts")
+
+    val allClientEnvelopes = clients.map { client ->
+      generateReceipts(client, timestamps).map { it.toWebSocketPayload() }
+    }
+
+    BenchmarkWebSocketConnection.authInstance.addPendingMessages(interleave(allClientEnvelopes))
+    BenchmarkWebSocketConnection.authInstance.addQueueEmptyMessage()
+  }
+
+  private fun establishGroupSessions(clients: List<OtherClient>) {
+    val encryptedEnvelopes = clients.map { it.encrypt(Generator.encryptedTextMessage(System.currentTimeMillis(), groupMasterKey = Harness.groupMasterKey)) }
+
+    runBlocking {
+      launch(Dispatchers.IO) {
+        BenchmarkWebSocketConnection.authInstance.run {
+          Log.i(TAG, "Sending initial group messages from clients to establish sessions.")
+          addPendingMessages(encryptedEnvelopes.map { it.toWebSocketPayload() })
+          releaseMessages()
+          ThreadUtil.sleep(1000)
+        }
+      }
+    }
+  }
+
+  private fun getOutgoingGroupMessageTimestamps(): List<Long> {
+    val groupId = GroupId.v2(Harness.groupMasterKey)
+    val groupRecipient = Recipient.externalGroupExact(groupId)
+    val threadId = SignalDatabase.threads.getOrCreateThreadIdFor(groupRecipient)
+    val selfId = Recipient.self().id.toLong()
+    return TestDbUtils.getOutgoingMessageTimestamps(threadId, selfId)
+  }
+
+  /**
+   * Interleaves lists so that items from different lists alternate:
+   * [[a1, a2], [b1, b2], [c1, c2]] -> [a1, b1, c1, a2, b2, c2]
+   */
+  private fun <T> interleave(lists: List<List<T>>): List<T> {
+    val result = mutableListOf<T>()
+    val maxSize = lists.maxOf { it.size }
+    for (i in 0 until maxSize) {
+      for (list in lists) {
+        if (i < list.size) {
+          result += list[i]
+        }
+      }
+    }
+    return result
+  }
+
   private fun Envelope.toWebSocketPayload(): WebSocketRequestMessage {
     return WebSocketRequestMessage(
       verb = "PUT",
diff --git a/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkSetupActivity.kt b/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkSetupActivity.kt
index 3ecb7fbde2..92211e93f0 100644
--- a/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkSetupActivity.kt
+++ b/app/src/benchmarkShared/java/org/signal/benchmark/BenchmarkSetupActivity.kt
@@ -6,7 +6,10 @@ import org.signal.benchmark.setup.TestMessages
 import org.signal.benchmark.setup.TestUsers
 import org.thoughtcrime.securesms.BaseActivity
 import org.thoughtcrime.securesms.database.SignalDatabase
+import org.thoughtcrime.securesms.database.TestDbUtils
+import org.thoughtcrime.securesms.mms.OutgoingMessage
 import org.thoughtcrime.securesms.recipients.Recipient
+import org.thoughtcrime.securesms.util.TextSecurePreferences
 
 class BenchmarkSetupActivity : BaseActivity() {
   override fun onCreate(savedInstanceState: Bundle?) {
@@ -17,6 +20,8 @@ class BenchmarkSetupActivity : BaseActivity() {
       "conversation-open" -> setupConversationOpen()
       "message-send" -> setupMessageSend()
       "group-message-send" -> setupGroupMessageSend()
+      "group-delivery-receipt" -> setupGroupReceipt(includeMsl = true)
+      "group-read-receipt" -> setupGroupReceipt(enableReadReceipts = true)
     }
 
     val textView: TextView = TextView(this).apply {
@@ -68,4 +73,40 @@ class BenchmarkSetupActivity : BaseActivity() {
     TestUsers.setupSelf()
     TestUsers.setupGroup()
   }
+
+  private fun setupGroupReceipt(includeMsl: Boolean = false, enableReadReceipts: Boolean = false) {
+    TestUsers.setupSelf()
+    val groupId = TestUsers.setupGroup()
+
+    val groupRecipient = Recipient.externalGroupExact(groupId)
+    val threadId = SignalDatabase.threads.getOrCreateThreadIdFor(groupRecipient)
+
+    val messageIds = mutableListOf<Long>()
+    val timestamps = mutableListOf<Long>()
+    val baseTimestamp = 2_000_000L
+
+    for (i in 0 until 100) {
+      val timestamp = baseTimestamp + i
+      val message = OutgoingMessage(
+        recipient = groupRecipient,
+        body = "Outgoing message $i",
+        timestamp = timestamp,
+        isSecure = true
+      )
+      val insert = SignalDatabase.messages.insertMessageOutbox(message, threadId, false, null)
+      SignalDatabase.messages.markAsSent(insert.messageId, true)
+      messageIds += insert.messageId
+      timestamps += timestamp
+    }
+
+    if (includeMsl) {
+      val selfId = Recipient.self().id
+      val memberRecipientIds = SignalDatabase.groups.getGroup(groupId).get().members.filter { it != selfId }
+      TestDbUtils.insertMessageSendLogEntries(messageIds, timestamps, memberRecipientIds)
+    }
+
+    if (enableReadReceipts) {
+      TextSecurePreferences.setReadReceiptsEnabled(this, true)
+    }
+  }
 }
diff --git a/app/src/benchmarkShared/java/org/signal/benchmark/setup/Generator.kt b/app/src/benchmarkShared/java/org/signal/benchmark/setup/Generator.kt
index 523dad2e2f..9de7c9c9aa 100644
--- a/app/src/benchmarkShared/java/org/signal/benchmark/setup/Generator.kt
+++ b/app/src/benchmarkShared/java/org/signal/benchmark/setup/Generator.kt
@@ -18,6 +18,7 @@ import org.whispersystems.signalservice.internal.push.DataMessage
 import org.whispersystems.signalservice.internal.push.Envelope
 import org.whispersystems.signalservice.internal.push.GroupContextV2
 import org.whispersystems.signalservice.internal.push.OutgoingPushMessage
+import org.whispersystems.signalservice.internal.push.ReceiptMessage
 import java.util.Optional
 import java.util.UUID
 
@@ -45,6 +46,26 @@ object Generator {
     return EnvelopeContent.encrypted(content.build(), ContentHint.RESENDABLE, Optional.empty())
   }
 
+  fun encryptedDeliveryReceipt(now: Long, timestamps: List<Long>): EnvelopeContent {
+    return encryptedReceipt(ReceiptMessage.Type.DELIVERY, timestamps)
+  }
+
+  fun encryptedReadReceipt(now: Long, timestamps: List<Long>): EnvelopeContent {
+    return encryptedReceipt(ReceiptMessage.Type.READ, timestamps)
+  }
+
+  private fun encryptedReceipt(type: ReceiptMessage.Type, timestamps: List<Long>): EnvelopeContent {
+    val content = Content.Builder().apply {
+      receiptMessage(
+        ReceiptMessage.Builder().buildWith {
+          this.type = type
+          timestamp = timestamps
+        }
+      )
+    }
+    return EnvelopeContent.encrypted(content.build(), ContentHint.IMPLICIT, Optional.empty())
+  }
+
   fun OutgoingPushMessage.toEnvelope(timestamp: Long, destination: ServiceId): Envelope {
     val serverGuid = UUID.randomUUID()
     return Envelope.Builder()
diff --git a/app/src/benchmarkShared/java/org/signal/benchmark/setup/OtherClient.kt b/app/src/benchmarkShared/java/org/signal/benchmark/setup/OtherClient.kt
index 497e2726f2..a581181291 100644
--- a/app/src/benchmarkShared/java/org/signal/benchmark/setup/OtherClient.kt
+++ b/app/src/benchmarkShared/java/org/signal/benchmark/setup/OtherClient.kt
@@ -62,6 +62,10 @@ class OtherClient(val serviceId: ServiceId, val e164: String, val identityKeyPai
 
   /** Inspired by SignalServiceMessageSender#getEncryptedMessage */
   fun encrypt(envelopeContent: EnvelopeContent): Envelope {
+    return encrypt(envelopeContent, envelopeContent.content.get().dataMessage!!.timestamp!!)
+  }
+
+  fun encrypt(envelopeContent: EnvelopeContent, timestamp: Long): Envelope {
     val cipher = SignalServiceCipher(serviceAddress, 1, aciStore, sessionLock, null)
 
     if (!aciStore.containsSession(getAliceProtocolAddress())) {
@@ -70,7 +74,7 @@ class OtherClient(val serviceId: ServiceId, val e164: String, val identityKeyPai
     }
 
     return cipher.encrypt(getAliceProtocolAddress(), getAliceUnidentifiedAccess(), envelopeContent)
-      .toEnvelope(envelopeContent.content.get().dataMessage!!.timestamp!!, getAliceServiceId())
+      .toEnvelope(timestamp, getAliceServiceId())
   }
 
   fun generateInboundEnvelopes(count: Int): List<Envelope> {
@@ -84,6 +88,24 @@ class OtherClient(val serviceId: ServiceId, val e164: String, val identityKeyPai
     return envelopes
   }
 
+  fun generateInboundDeliveryReceipts(messageTimestamps: List<Long>): List<Envelope> {
+    return generateInboundReceipts(messageTimestamps, Generator::encryptedDeliveryReceipt)
+  }
+
+  fun generateInboundReadReceipts(messageTimestamps: List<Long>): List<Envelope> {
+    return generateInboundReceipts(messageTimestamps, Generator::encryptedReadReceipt)
+  }
+
+  private fun generateInboundReceipts(messageTimestamps: List<Long>, receiptFactory: (Long, List<Long>) -> EnvelopeContent): List<Envelope> {
+    val envelopes = ArrayList<Envelope>(messageTimestamps.size)
+    var now = System.currentTimeMillis()
+    for (messageTimestamp in messageTimestamps) {
+      envelopes += encrypt(receiptFactory(now, listOf(messageTimestamp)), now)
+      now += 3
+    }
+    return envelopes
+  }
+
   fun generateInboundGroupEnvelopes(count: Int, groupMasterKey: GroupMasterKey): List<Envelope> {
     val envelopes = ArrayList<Envelope>(count)
     var now = System.currentTimeMillis()
diff --git a/app/src/benchmarkShared/java/org/signal/benchmark/setup/TestUsers.kt b/app/src/benchmarkShared/java/org/signal/benchmark/setup/TestUsers.kt
index 6abf86a667..4b0fb5fecf 100644
--- a/app/src/benchmarkShared/java/org/signal/benchmark/setup/TestUsers.kt
+++ b/app/src/benchmarkShared/java/org/signal/benchmark/setup/TestUsers.kt
@@ -21,6 +21,7 @@ import org.thoughtcrime.securesms.crypto.ProfileKeyUtil
 import org.thoughtcrime.securesms.database.SignalDatabase
 import org.thoughtcrime.securesms.database.model.databaseprotos.RestoreDecisionState
 import org.thoughtcrime.securesms.dependencies.AppDependencies
+import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.keyvalue.CertificateType
 import org.thoughtcrime.securesms.keyvalue.SignalStore
 import org.thoughtcrime.securesms.keyvalue.Skipped
@@ -170,7 +171,7 @@ object TestUsers {
     return others
   }
 
-  fun setupGroup() {
+  fun setupGroup(): GroupId.V2 {
     val members = setupTestClients(5)
     val self = Recipient.self()
 
@@ -202,6 +203,8 @@ object TestUsers {
     )
 
     SignalDatabase.recipients.setProfileSharing(Recipient.externalGroupExact(groupId!!).id, true)
+
+    return groupId
   }
 
   private fun member(aci: ACI, role: Member.Role = Member.Role.DEFAULT, joinedAt: Int = 0, labelEmoji: String = "", labelString: String = ""): DecryptedMember {
diff --git a/app/src/benchmarkShared/java/org/thoughtcrime/securesms/database/TestDbUtils.kt b/app/src/benchmarkShared/java/org/thoughtcrime/securesms/database/TestDbUtils.kt
index 6f09ba76be..b627aced9d 100644
--- a/app/src/benchmarkShared/java/org/thoughtcrime/securesms/database/TestDbUtils.kt
+++ b/app/src/benchmarkShared/java/org/thoughtcrime/securesms/database/TestDbUtils.kt
@@ -2,6 +2,8 @@ package org.thoughtcrime.securesms.database
 
 import android.content.ContentValues
 import org.signal.core.util.SqlUtil.buildArgs
+import org.thoughtcrime.securesms.recipients.RecipientId
+import org.whispersystems.signalservice.internal.push.Content
 
 object TestDbUtils {
 
@@ -11,4 +13,58 @@ object TestDbUtils {
     contentValues.put(MessageTable.DATE_RECEIVED, timestamp)
     val rowsUpdated = database.update(MessageTable.TABLE_NAME, contentValues, DatabaseTable.ID_WHERE, buildArgs(messageId))
   }
+
+  fun getOutgoingMessageTimestamps(threadId: Long, selfRecipientId: Long): List<Long> {
+    val timestamps = mutableListOf<Long>()
+    SignalDatabase.messages.databaseHelper.signalReadableDatabase.query(
+      MessageTable.TABLE_NAME,
+      arrayOf(MessageTable.DATE_SENT),
+      "${MessageTable.THREAD_ID} = ? AND ${MessageTable.FROM_RECIPIENT_ID} = ?",
+      arrayOf(threadId.toString(), selfRecipientId.toString()),
+      null,
+      null,
+      "${MessageTable.DATE_SENT} ASC"
+    ).use { cursor ->
+      while (cursor.moveToNext()) {
+        timestamps += cursor.getLong(0)
+      }
+    }
+    return timestamps
+  }
+
+  fun insertMessageSendLogEntries(messageIds: List<Long>, timestamps: List<Long>, recipientIds: List<RecipientId>) {
+    val db = SignalDatabase.messages.databaseHelper.signalWritableDatabase
+    val dummyContent = Content.Builder().build().encode()
+
+    db.beginTransaction()
+    try {
+      for (i in messageIds.indices) {
+        val payloadValues = ContentValues().apply {
+          put("date_sent", timestamps[i])
+          put("content", dummyContent)
+          put("content_hint", 0)
+          put("urgent", 1)
+        }
+        val payloadId = db.insert("msl_payload", null, payloadValues)
+
+        val messageValues = ContentValues().apply {
+          put("payload_id", payloadId)
+          put("message_id", messageIds[i])
+        }
+        db.insert("msl_message", null, messageValues)
+
+        for (recipientId in recipientIds) {
+          val recipientValues = ContentValues().apply {
+            put("payload_id", payloadId)
+            put("recipient_id", recipientId.toLong())
+            put("device", 1)
+          }
+          db.insert("msl_recipient", null, recipientValues)
+        }
+      }
+      db.setTransactionSuccessful()
+    } finally {
+      db.endTransaction()
+    }
+  }
 }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/messages/BatchCache.kt b/app/src/main/java/org/thoughtcrime/securesms/messages/BatchCache.kt
index 26b6a996d1..12046d5285 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/messages/BatchCache.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/messages/BatchCache.kt
@@ -14,6 +14,7 @@ import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.jobmanager.Job
 import org.thoughtcrime.securesms.messages.SignalServiceProtoUtil.groupMasterKey
 import org.thoughtcrime.securesms.messages.SignalServiceProtoUtil.hasGroupContext
+import org.thoughtcrime.securesms.recipients.RecipientId
 import org.whispersystems.signalservice.internal.push.DataMessage
 import java.util.Optional
 
@@ -65,8 +66,13 @@ abstract class BatchCache {
     SignalDatabase.threads.updateForMessageInsert(threadId, unarchive = true)
   }
 
+  protected fun flushMslDelete(recipientId: RecipientId, device: Int, timestamps: List<Long>) {
+    SignalDatabase.messageLog.deleteEntriesForRecipient(timestamps, recipientId, device)
+  }
+
   abstract fun addJob(job: Job)
   abstract fun addIncomingMessageInsertThreadUpdate(threadId: Long)
+  abstract fun addMslDelete(recipientId: RecipientId, device: Int, timestamps: List<Long>)
 }
 
 /**
@@ -83,6 +89,10 @@ class OneTimeBatchCache : BatchCache() {
   override fun addIncomingMessageInsertThreadUpdate(threadId: Long) {
     flushIncomingMessageInsertThreadUpdate(threadId)
   }
+
+  override fun addMslDelete(recipientId: RecipientId, device: Int, timestamps: List<Long>) {
+    flushMslDelete(recipientId, device, timestamps)
+  }
 }
 
 /**
@@ -100,6 +110,7 @@ class ReusedBatchCache : BatchCache() {
 
   private val batchedJobs = ArrayList<Job>(BATCH_SIZE)
   private val threadUpdates = HashSet<Long>(BATCH_SIZE)
+  private val mslDeletes = HashMap<Pair<RecipientId, Int>, MutableList<Long>>(BATCH_SIZE)
 
   override fun addJob(job: Job) {
     batchedJobs += job
@@ -109,6 +120,10 @@ class ReusedBatchCache : BatchCache() {
     threadUpdates += threadId
   }
 
+  override fun addMslDelete(recipientId: RecipientId, device: Int, timestamps: List<Long>) {
+    mslDeletes.getOrPut(recipientId to device) { mutableListOf() } += timestamps
+  }
+
   override fun flushAndClear() {
     super.flushAndClear()
 
@@ -123,5 +138,12 @@ class ReusedBatchCache : BatchCache() {
       }
     }
     threadUpdates.clear()
+
+    if (mslDeletes.isNotEmpty()) {
+      SignalDatabase.runInTransaction {
+        mslDeletes.forEach { (key, timestamps) -> flushMslDelete(key.first, key.second, timestamps) }
+      }
+    }
+    mslDeletes.clear()
   }
 }
diff --git a/app/src/main/java/org/thoughtcrime/securesms/messages/MessageContentProcessor.kt b/app/src/main/java/org/thoughtcrime/securesms/messages/MessageContentProcessor.kt
index 04822f46a2..e0c46b8506 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/messages/MessageContentProcessor.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/messages/MessageContentProcessor.kt
@@ -496,7 +496,8 @@ open class MessageContentProcessor(private val context: Context) {
           envelope,
           content,
           metadata,
-          if (processingEarlyContent) null else EarlyMessageCacheEntry(envelope, content, metadata, serverDeliveredTimestamp)
+          if (processingEarlyContent) null else EarlyMessageCacheEntry(envelope, content, metadata, serverDeliveredTimestamp),
+          batchCache
         )
       }
 
diff --git a/app/src/main/java/org/thoughtcrime/securesms/messages/ReceiptMessageProcessor.kt b/app/src/main/java/org/thoughtcrime/securesms/messages/ReceiptMessageProcessor.kt
index e136bb3bec..ce78b72eb5 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/messages/ReceiptMessageProcessor.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/messages/ReceiptMessageProcessor.kt
@@ -12,6 +12,7 @@ import org.thoughtcrime.securesms.messages.MessageContentProcessor.Companion.war
 import org.thoughtcrime.securesms.recipients.Recipient
 import org.thoughtcrime.securesms.recipients.RecipientId
 import org.thoughtcrime.securesms.util.EarlyMessageCacheEntry
+import org.thoughtcrime.securesms.util.SignalTrace
 import org.thoughtcrime.securesms.util.TextSecurePreferences
 import org.whispersystems.signalservice.api.crypto.EnvelopeMetadata
 import org.whispersystems.signalservice.internal.push.Content
@@ -23,11 +24,11 @@ object ReceiptMessageProcessor {
 
   private const val VERBOSE = false
 
-  fun process(context: Context, senderRecipient: Recipient, envelope: Envelope, content: Content, metadata: EnvelopeMetadata, earlyMessageCacheEntry: EarlyMessageCacheEntry?) {
+  fun process(context: Context, senderRecipient: Recipient, envelope: Envelope, content: Content, metadata: EnvelopeMetadata, earlyMessageCacheEntry: EarlyMessageCacheEntry?, batchCache: BatchCache) {
     val receiptMessage = content.receiptMessage!!
 
     when (receiptMessage.type) {
-      ReceiptMessage.Type.DELIVERY -> handleDeliveryReceipt(envelope, metadata, receiptMessage, senderRecipient.id)
+      ReceiptMessage.Type.DELIVERY -> handleDeliveryReceipt(envelope, metadata, receiptMessage, senderRecipient.id, batchCache)
       ReceiptMessage.Type.READ -> handleReadReceipt(context, senderRecipient.id, envelope, metadata, receiptMessage, earlyMessageCacheEntry)
       ReceiptMessage.Type.VIEWED -> handleViewedReceipt(context, envelope, metadata, receiptMessage, senderRecipient.id, earlyMessageCacheEntry)
       else -> warn(envelope.timestamp!!, "Unknown recipient message type ${receiptMessage.type}")
@@ -39,12 +40,15 @@ object ReceiptMessageProcessor {
     envelope: Envelope,
     metadata: EnvelopeMetadata,
     deliveryReceipt: ReceiptMessage,
-    senderRecipientId: RecipientId
+    senderRecipientId: RecipientId,
+    batchCache: BatchCache
   ) {
     log(envelope.timestamp!!, "Processing delivery receipts. Sender: $senderRecipientId, Device: ${metadata.sourceDeviceId}, Timestamps: ${deliveryReceipt.timestamp.joinToString(", ")}")
     val stopwatch: Stopwatch? = if (VERBOSE) Stopwatch("delivery-receipt", decimalPlaces = 2) else null
 
+    SignalTrace.beginSection("ReceiptMessageProcessor#incrementDeliveryReceiptCounts")
     val missingTargetTimestamps: Set<Long> = SignalDatabase.messages.incrementDeliveryReceiptCounts(deliveryReceipt.timestamp, senderRecipientId, envelope.timestamp!!, stopwatch)
+    SignalTrace.endSection()
 
     for (targetTimestamp in missingTargetTimestamps) {
       warn(envelope.timestamp!!, "[handleDeliveryReceipt] Could not find matching message! targetTimestamp: $targetTimestamp, receiptAuthor: $senderRecipientId")
@@ -58,7 +62,7 @@ object ReceiptMessageProcessor {
     SignalDatabase.pendingPniSignatureMessages.acknowledgeReceipts(senderRecipientId, deliveryReceipt.timestamp, metadata.sourceDeviceId)
     stopwatch?.split("pni-signatures")
 
-    SignalDatabase.messageLog.deleteEntriesForRecipient(deliveryReceipt.timestamp, senderRecipientId, metadata.sourceDeviceId)
+    batchCache.addMslDelete(senderRecipientId, metadata.sourceDeviceId, deliveryReceipt.timestamp)
     stopwatch?.split("msl")
 
     stopwatch?.stop(TAG)
@@ -80,7 +84,9 @@ object ReceiptMessageProcessor {
 
     log(envelope.timestamp!!, "Processing read receipts. Sender: $senderRecipientId, Device: ${metadata.sourceDeviceId}, Timestamps: ${readReceipt.timestamp.joinToString(", ")}")
 
+    SignalTrace.beginSection("ReceiptMessageProcessor#incrementReadReceiptCounts")
     val missingTargetTimestamps: Set<Long> = SignalDatabase.messages.incrementReadReceiptCounts(readReceipt.timestamp, senderRecipientId, envelope.timestamp!!)
+    SignalTrace.endSection()
 
     if (missingTargetTimestamps.isNotEmpty()) {
       val selfId = Recipient.self().id
diff --git a/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkMetrics.kt b/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkMetrics.kt
new file mode 100644
index 0000000000..f22cc8a696
--- /dev/null
+++ b/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkMetrics.kt
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2026 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.benchmark
+
+import androidx.benchmark.macro.ExperimentalMetricApi
+import androidx.benchmark.macro.TraceSectionMetric
+import androidx.benchmark.macro.TraceSectionMetric.Mode
+
+@OptIn(ExperimentalMetricApi::class)
+object BenchmarkMetrics {
+
+  val incomingMessageObserver: List<TraceSectionMetric>
+    get() = listOf(
+      TraceSectionMetric("IncomingMessageObserver#decryptMessage", Mode.Average),
+      TraceSectionMetric("IncomingMessageObserver#perMessageTransaction", Mode.Average),
+      TraceSectionMetric("IncomingMessageObserver#processMessage", Mode.Average),
+      TraceSectionMetric("IncomingMessageObserver#totalProcessing", Mode.Sum)
+    )
+
+  val dataMessageProcessor: List<TraceSectionMetric>
+    get() = listOf(
+      TraceSectionMetric("DataMessageProcessor#gv2PreProcessing", Mode.Average),
+      TraceSectionMetric("DataMessageProcessor#messageInsert", Mode.Average),
+      TraceSectionMetric("DataMessageProcessor#postProcess", Mode.Average)
+    )
+
+  val messageContentProcessor: List<TraceSectionMetric>
+    get() = listOf(
+      TraceSectionMetric("MessageContentProcessor#handleMessage", Mode.Average)
+    )
+
+  val deliveryReceipt: List<TraceSectionMetric>
+    get() = listOf(
+      TraceSectionMetric("ReceiptMessageProcessor#incrementDeliveryReceiptCounts", Mode.Average)
+    )
+
+  val readReceipt: List<TraceSectionMetric>
+    get() = listOf(
+      TraceSectionMetric("ReceiptMessageProcessor#incrementReadReceiptCounts", Mode.Average)
+    )
+}
diff --git a/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkSetup.kt b/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkSetup.kt
index e3c2a7fb27..0f63a4441b 100644
--- a/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkSetup.kt
+++ b/benchmark/src/main/java/org/thoughtcrime/benchmark/BenchmarkSetup.kt
@@ -22,6 +22,14 @@ object BenchmarkSetup {
     device.benchmarkCommandBroadcast("group-send")
   }
 
+  fun setupGroupDeliveryReceipt(device: UiDevice) {
+    device.benchmarkCommandBroadcast("group-delivery-receipt")
+  }
+
+  fun setupGroupReadReceipt(device: UiDevice) {
+    device.benchmarkCommandBroadcast("group-read-receipt")
+  }
+
   fun releaseMessages(device: UiDevice) {
     device.benchmarkCommandBroadcast("release-messages")
   }
diff --git a/benchmark/src/main/java/org/thoughtcrime/benchmark/GroupMessageProcessingBenchmarks.kt b/benchmark/src/main/java/org/thoughtcrime/benchmark/GroupMessageProcessingBenchmarks.kt
index 7554f760c7..4f637c7196 100644
--- a/benchmark/src/main/java/org/thoughtcrime/benchmark/GroupMessageProcessingBenchmarks.kt
+++ b/benchmark/src/main/java/org/thoughtcrime/benchmark/GroupMessageProcessingBenchmarks.kt
@@ -8,11 +8,11 @@ package org.thoughtcrime.benchmark
 import androidx.annotation.RequiresApi
 import androidx.benchmark.macro.CompilationMode
 import androidx.benchmark.macro.ExperimentalMetricApi
-import androidx.benchmark.macro.TraceSectionMetric
-import androidx.benchmark.macro.TraceSectionMetric.Mode
+import androidx.benchmark.macro.MacrobenchmarkScope
 import androidx.benchmark.macro.junit4.MacrobenchmarkRule
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.uiautomator.By
+import androidx.test.uiautomator.UiDevice
 import androidx.test.uiautomator.Until
 import org.junit.Rule
 import org.junit.Test
@@ -30,62 +30,22 @@ class GroupMessageProcessingBenchmarks {
 
   @Test
   fun groupMessageReceiveOnConversationList() {
-    run(withConversationOpen = false)
+    runGroupMessageReceive(withConversationOpen = false)
   }
 
   @Test
-  fun individualMessageReceiveOnConversation() {
-    run(withConversationOpen = true)
+  fun groupMessageReceiveOnConversation() {
+    runGroupMessageReceive(withConversationOpen = true)
   }
 
-  private fun run(withConversationOpen: Boolean) {
+  private fun runGroupMessageReceive(withConversationOpen: Boolean) {
     benchmarkRule.measureRepeated(
       packageName = "org.thoughtcrime.securesms.benchmark",
-      metrics = listOf(
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#decryptMessage",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#perMessageTransaction",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "DataMessageProcessor#gv2PreProcessing",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "DataMessageProcessor#messageInsert",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "DataMessageProcessor#postProcess",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#processMessage",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#totalProcessing",
-          mode = Mode.Sum
-        )
-      ),
+      metrics = BenchmarkMetrics.incomingMessageObserver + BenchmarkMetrics.messageContentProcessor + BenchmarkMetrics.dataMessageProcessor,
       iterations = 5,
       compilationMode = CompilationMode.Partial(),
       setupBlock = {
-        BenchmarkSetup.setup("group-message-send", device)
-
-        killProcess()
-        startActivityAndWait()
-        device.waitForIdle()
-
-        BenchmarkSetup.setupGroupSend(device)
-
-        val uiObject = device.wait(Until.findObject(By.textContains("Title")), 5_000)
-        if (withConversationOpen) {
-          uiObject.click()
-        }
+        setupGroup("group-message-send", BenchmarkSetup::setupGroupSend, withConversationOpen)
       }
     ) {
 
@@ -94,4 +54,76 @@ class GroupMessageProcessingBenchmarks {
       device.wait(Until.hasObject(By.textContains("505")),10_000L)
     }
   }
+
+  @Test
+  fun groupDeliveryReceiptOnConversationList() {
+    runGroupDeliveryReceipt(withConversationOpen = false)
+  }
+
+  @Test
+  fun groupDeliveryReceiptOnConversation() {
+    runGroupDeliveryReceipt(withConversationOpen = true)
+  }
+
+  private fun runGroupDeliveryReceipt(withConversationOpen: Boolean) {
+    benchmarkRule.measureRepeated(
+      packageName = "org.thoughtcrime.securesms.benchmark",
+      metrics = BenchmarkMetrics.incomingMessageObserver + BenchmarkMetrics.messageContentProcessor + BenchmarkMetrics.deliveryReceipt,
+      iterations = 5,
+      compilationMode = CompilationMode.Partial(),
+      setupBlock = {
+        setupGroup("group-delivery-receipt", BenchmarkSetup::setupGroupDeliveryReceipt, withConversationOpen)
+      }
+    ) {
+      BenchmarkSetup.releaseMessages(device)
+
+      Thread.sleep(10_000)
+    }
+  }
+
+  @Test
+  fun groupReadReceiptOnConversationList() {
+    runGroupReadReceipt(withConversationOpen = false)
+  }
+
+  @Test
+  fun groupReadReceiptOnConversation() {
+    runGroupReadReceipt(withConversationOpen = true)
+  }
+
+  private fun runGroupReadReceipt(withConversationOpen: Boolean) {
+    benchmarkRule.measureRepeated(
+      packageName = "org.thoughtcrime.securesms.benchmark",
+      metrics = BenchmarkMetrics.incomingMessageObserver + BenchmarkMetrics.messageContentProcessor + BenchmarkMetrics.readReceipt,
+      iterations = 5,
+      compilationMode = CompilationMode.Partial(),
+      setupBlock = {
+        setupGroup("group-read-receipt", BenchmarkSetup::setupGroupReadReceipt, withConversationOpen)
+      }
+    ) {
+      BenchmarkSetup.releaseMessages(device)
+
+      Thread.sleep(10_000)
+    }
+  }
+
+  private fun MacrobenchmarkScope.setupGroup(
+    setupType: String,
+    prepareCommand: (UiDevice) -> Unit,
+    withConversationOpen: Boolean
+  ) {
+    BenchmarkSetup.setup(setupType, device)
+
+    killProcess()
+    startActivityAndWait()
+    device.waitForIdle()
+
+    prepareCommand(device)
+
+    device.wait(Until.findObject(By.textContains("Title")), 5_000)
+    if (withConversationOpen) {
+      device.waitForIdle()
+      device.findObject(By.textContains("Title")).click()
+    }
+  }
 }
diff --git a/benchmark/src/main/java/org/thoughtcrime/benchmark/MessageProcessingBenchmarks.kt b/benchmark/src/main/java/org/thoughtcrime/benchmark/MessageProcessingBenchmarks.kt
index c9dccfb7fe..be576d7d95 100644
--- a/benchmark/src/main/java/org/thoughtcrime/benchmark/MessageProcessingBenchmarks.kt
+++ b/benchmark/src/main/java/org/thoughtcrime/benchmark/MessageProcessingBenchmarks.kt
@@ -8,8 +8,6 @@ package org.thoughtcrime.benchmark
 import androidx.annotation.RequiresApi
 import androidx.benchmark.macro.CompilationMode
 import androidx.benchmark.macro.ExperimentalMetricApi
-import androidx.benchmark.macro.TraceSectionMetric
-import androidx.benchmark.macro.TraceSectionMetric.Mode
 import androidx.benchmark.macro.junit4.MacrobenchmarkRule
 import androidx.test.ext.junit.runners.AndroidJUnit4
 import androidx.test.uiautomator.By
@@ -41,24 +39,7 @@ class MessageProcessingBenchmarks {
   private fun run(withConversationOpen: Boolean) {
     benchmarkRule.measureRepeated(
       packageName = "org.thoughtcrime.securesms.benchmark",
-      metrics = listOf(
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#decryptMessage",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "MessageContentProcessor#handleMessage",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#processMessage",
-          mode = Mode.Average
-        ),
-        TraceSectionMetric(
-          sectionName = "IncomingMessageObserver#totalProcessing",
-          mode = Mode.Sum
-        )
-      ),
+      metrics = BenchmarkMetrics.incomingMessageObserver + BenchmarkMetrics.messageContentProcessor,
       iterations = 5,
       compilationMode = CompilationMode.Partial(),
       setupBlock = {