diff --git a/libs/gui/BLASTBufferQueue.cpp b/libs/gui/BLASTBufferQueue.cpp
index 9080822..e9149f3 100644
--- a/libs/gui/BLASTBufferQueue.cpp
+++ b/libs/gui/BLASTBufferQueue.cpp
@@ -138,7 +138,7 @@
         mSize(width, height),
         mRequestedSize(mSize),
         mFormat(format),
-        mNextTransaction(nullptr) {
+        mSyncTransaction(nullptr) {
     createBufferQueue(&mProducer, &mConsumer);
     // since the adapter is in the client process, set dequeue timeout
     // explicitly so that dequeueBuffer will block
@@ -290,7 +290,7 @@
                 // case, we don't actually want to flush the frames in between since they will get
                 // processed and merged with the sync transaction and released earlier than if they
                 // were sent to SF
-                if (mWaitForTransactionCallback && mNextTransaction == nullptr &&
+                if (mWaitForTransactionCallback && mSyncTransaction == nullptr &&
                     currFrameNumber >= mLastAcquiredFrameNumber) {
                     mWaitForTransactionCallback = false;
                     flushShadowQueue();
@@ -420,7 +420,7 @@
         mBufferItemConsumer->releaseBuffer(it->second, releaseBuffer.releaseFence);
         mSubmitted.erase(it);
         // Don't process the transactions here if mWaitForTransactionCallback is set. Instead, let
-        // onFrameAvailable handle processing them since it will merge with the nextTransaction.
+        // onFrameAvailable handle processing them since it will merge with the syncTransaction.
         if (!mWaitForTransactionCallback) {
             acquireNextBufferLocked(std::nullopt);
         }
@@ -593,15 +593,15 @@
     ATRACE_CALL();
     std::unique_lock _lock{mMutex};
 
-    const bool nextTransactionSet = mNextTransaction != nullptr;
-    BQA_LOGV("onFrameAvailable-start nextTransactionSet=%s", boolToString(nextTransactionSet));
-    if (nextTransactionSet) {
+    const bool syncTransactionSet = mSyncTransaction != nullptr;
+    BQA_LOGV("onFrameAvailable-start syncTransactionSet=%s", boolToString(syncTransactionSet));
+    if (syncTransactionSet) {
         if (mWaitForTransactionCallback) {
             // We are waiting on a previous sync's transaction callback so allow another sync
             // transaction to proceed.
             //
             // We need to first flush out the transactions that were in between the two syncs.
-            // We do this by merging them into mNextTransaction so any buffer merging will get
+            // We do this by merging them into mSyncTransaction so any buffer merging will get
             // a release callback invoked. The release callback will be async so we need to wait
             // on max acquired to make sure we have the capacity to acquire another buffer.
             if (maxBuffersAcquired(false /* includeExtraAcquire */)) {
@@ -625,12 +625,12 @@
     ATRACE_INT(mQueuedBufferTrace.c_str(),
                mNumFrameAvailable + mNumAcquired - mPendingRelease.size());
 
-    BQA_LOGV("onFrameAvailable framenumber=%" PRIu64 " nextTransactionSet=%s", item.mFrameNumber,
-             boolToString(nextTransactionSet));
+    BQA_LOGV("onFrameAvailable framenumber=%" PRIu64 " syncTransactionSet=%s", item.mFrameNumber,
+             boolToString(syncTransactionSet));
 
-    if (nextTransactionSet) {
-        acquireNextBufferLocked(std::move(mNextTransaction));
-        mNextTransaction = nullptr;
+    if (syncTransactionSet) {
+        acquireNextBufferLocked(std::move(mSyncTransaction));
+        mSyncTransaction = nullptr;
         mWaitForTransactionCallback = true;
     } else if (!mWaitForTransactionCallback) {
         acquireNextBufferLocked(std::nullopt);
@@ -652,9 +652,9 @@
     mDequeueTimestamps.erase(bufferId);
 };
 
-void BLASTBufferQueue::setNextTransaction(SurfaceComposerClient::Transaction* t) {
+void BLASTBufferQueue::setSyncTransaction(SurfaceComposerClient::Transaction* t) {
     std::lock_guard _lock{mMutex};
-    mNextTransaction = t;
+    mSyncTransaction = t;
 }
 
 bool BLASTBufferQueue::rejectBuffer(const BufferItem& item) {
diff --git a/libs/gui/include/gui/BLASTBufferQueue.h b/libs/gui/include/gui/BLASTBufferQueue.h
index 4a63544..f718de8 100644
--- a/libs/gui/include/gui/BLASTBufferQueue.h
+++ b/libs/gui/include/gui/BLASTBufferQueue.h
@@ -94,7 +94,7 @@
                                      const std::vector<SurfaceControlStats>& stats);
     void releaseBufferCallback(const ReleaseCallbackId& id, const sp<Fence>& releaseFence,
                                std::optional<uint32_t> currentMaxAcquiredBufferCount);
-    void setNextTransaction(SurfaceComposerClient::Transaction *t);
+    void setSyncTransaction(SurfaceComposerClient::Transaction* t);
     void mergeWithNextTransaction(SurfaceComposerClient::Transaction* t, uint64_t frameNumber);
     void applyPendingTransactions(uint64_t frameNumber);
 
@@ -208,7 +208,7 @@
     sp<IGraphicBufferProducer> mProducer;
     sp<BLASTBufferItemConsumer> mBufferItemConsumer;
 
-    SurfaceComposerClient::Transaction* mNextTransaction GUARDED_BY(mMutex);
+    SurfaceComposerClient::Transaction* mSyncTransaction GUARDED_BY(mMutex);
     std::vector<std::tuple<uint64_t /* framenumber */, SurfaceComposerClient::Transaction>>
             mPendingTransactions GUARDED_BY(mMutex);
 
diff --git a/libs/gui/tests/BLASTBufferQueue_test.cpp b/libs/gui/tests/BLASTBufferQueue_test.cpp
index 8607e1d..194757f 100644
--- a/libs/gui/tests/BLASTBufferQueue_test.cpp
+++ b/libs/gui/tests/BLASTBufferQueue_test.cpp
@@ -109,15 +109,15 @@
         mBlastBufferQueueAdapter->update(sc, width, height, PIXEL_FORMAT_RGBA_8888);
     }
 
-    void setNextTransaction(Transaction* next) {
-        mBlastBufferQueueAdapter->setNextTransaction(next);
+    void setSyncTransaction(Transaction* sync) {
+        mBlastBufferQueueAdapter->setSyncTransaction(sync);
     }
 
     int getWidth() { return mBlastBufferQueueAdapter->mSize.width; }
 
     int getHeight() { return mBlastBufferQueueAdapter->mSize.height; }
 
-    Transaction* getNextTransaction() { return mBlastBufferQueueAdapter->mNextTransaction; }
+    Transaction* getSyncTransaction() { return mBlastBufferQueueAdapter->mSyncTransaction; }
 
     sp<IGraphicBufferProducer> getIGraphicBufferProducer() {
         return mBlastBufferQueueAdapter->getIGraphicBufferProducer();
@@ -337,7 +337,7 @@
     ASSERT_EQ(mSurfaceControl, adapter.getSurfaceControl());
     ASSERT_EQ(mDisplayWidth, adapter.getWidth());
     ASSERT_EQ(mDisplayHeight, adapter.getHeight());
-    ASSERT_EQ(nullptr, adapter.getNextTransaction());
+    ASSERT_EQ(nullptr, adapter.getSyncTransaction());
 }
 
 TEST_F(BLASTBufferQueueTest, Update) {
@@ -358,11 +358,11 @@
     ASSERT_EQ(mDisplayHeight / 2, height);
 }
 
-TEST_F(BLASTBufferQueueTest, SetNextTransaction) {
+TEST_F(BLASTBufferQueueTest, SetSyncTransaction) {
     BLASTBufferQueueHelper adapter(mSurfaceControl, mDisplayWidth, mDisplayHeight);
-    Transaction next;
-    adapter.setNextTransaction(&next);
-    ASSERT_EQ(&next, adapter.getNextTransaction());
+    Transaction sync;
+    adapter.setSyncTransaction(&sync);
+    ASSERT_EQ(&sync, adapter.getSyncTransaction());
 }
 
 TEST_F(BLASTBufferQueueTest, DISABLED_onFrameAvailable_ApplyDesiredPresentTime) {
@@ -801,8 +801,8 @@
     sp<IGraphicBufferProducer> igbProducer;
     setUpProducer(adapter, igbProducer);
 
-    Transaction next;
-    adapter.setNextTransaction(&next);
+    Transaction sync;
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, 0, 255, 0, 0);
 
     // queue non sync buffer, so this one should get blocked
@@ -811,7 +811,7 @@
     queueBuffer(igbProducer, r, g, b, presentTimeDelay);
 
     CallbackHelper transactionCallback;
-    next.addTransactionCompletedCallback(transactionCallback.function,
+    sync.addTransactionCompletedCallback(transactionCallback.function,
                                          transactionCallback.getContext())
             .apply();
 
@@ -841,16 +841,16 @@
 
     Transaction mainTransaction;
 
-    Transaction next;
-    adapter.setNextTransaction(&next);
+    Transaction sync;
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, 0, 255, 0, 0);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
 
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, r, g, b, 0);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
     // Expect 1 buffer to be released even before sending to SurfaceFlinger
     mProducerListener->waitOnNumberReleased(1);
 
@@ -881,24 +881,24 @@
 
     Transaction mainTransaction;
 
-    Transaction next;
+    Transaction sync;
     // queue a sync transaction
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, 0, 255, 0, 0);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
 
-    // queue another buffer without setting next transaction
+    // queue another buffer without setting sync transaction
     queueBuffer(igbProducer, 0, 0, 255, 0);
 
     // queue another sync transaction
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, r, g, b, 0);
     // Expect 1 buffer to be released because the non sync transaction should merge
     // with the sync
     mProducerListener->waitOnNumberReleased(1);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
     // Expect 2 buffers to be released due to merging the two syncs.
     mProducerListener->waitOnNumberReleased(2);
 
@@ -929,26 +929,26 @@
 
     Transaction mainTransaction;
 
-    Transaction next;
+    Transaction sync;
     // queue a sync transaction
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, 0, 255, 0, 0);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
 
-    // queue a few buffers without setting next transaction
+    // queue a few buffers without setting sync transaction
     queueBuffer(igbProducer, 0, 0, 255, 0);
     queueBuffer(igbProducer, 0, 0, 255, 0);
     queueBuffer(igbProducer, 0, 0, 255, 0);
 
     // queue another sync transaction
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, r, g, b, 0);
     // Expect 3 buffers to be released because the non sync transactions should merge
     // with the sync
     mProducerListener->waitOnNumberReleased(3);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
     // Expect 4 buffers to be released due to merging the two syncs.
     mProducerListener->waitOnNumberReleased(4);
 
@@ -986,14 +986,14 @@
     // Send a buffer to SF
     queueBuffer(igbProducer, 0, 255, 0, 0);
 
-    Transaction next;
+    Transaction sync;
     // queue a sync transaction
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, 0, 255, 0, 0);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
 
-    // queue a few buffers without setting next transaction
+    // queue a few buffers without setting sync transaction
     queueBuffer(igbProducer, 0, 0, 255, 0);
     queueBuffer(igbProducer, 0, 0, 255, 0);
     queueBuffer(igbProducer, 0, 0, 255, 0);
@@ -1002,13 +1002,13 @@
     mainTransaction.apply();
 
     // queue another sync transaction
-    adapter.setNextTransaction(&next);
+    adapter.setSyncTransaction(&sync);
     queueBuffer(igbProducer, r, g, b, 0);
     // Expect 2 buffers to be released because the non sync transactions should merge
     // with the sync
     mProducerListener->waitOnNumberReleased(3);
 
-    mainTransaction.merge(std::move(next));
+    mainTransaction.merge(std::move(sync));
 
     CallbackHelper transactionCallback;
     mainTransaction