diff --git a/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt b/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt
index 461f963..c09bf3e 100644
--- a/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt
+++ b/quickstep/src/com/android/quickstep/OverviewCommandHelper.kt
@@ -70,7 +70,7 @@
     private val taskAnimationManager: TaskAnimationManager,
     private val dispatcherProvider: DispatcherProvider = ProductionDispatchers,
 ) {
-    private val coroutineScope = CoroutineScope(SupervisorJob() + dispatcherProvider.default)
+    private val coroutineScope = CoroutineScope(SupervisorJob() + dispatcherProvider.background)
 
     private val commandQueue = ConcurrentLinkedDeque<CommandInfo>()
 
diff --git a/quickstep/src/com/android/quickstep/task/viewmodel/TaskThumbnailViewModelImpl.kt b/quickstep/src/com/android/quickstep/task/viewmodel/TaskThumbnailViewModelImpl.kt
index b6cb984..e5bad67 100644
--- a/quickstep/src/com/android/quickstep/task/viewmodel/TaskThumbnailViewModelImpl.kt
+++ b/quickstep/src/com/android/quickstep/task/viewmodel/TaskThumbnailViewModelImpl.kt
@@ -61,12 +61,14 @@
 
     override val dimProgress: Flow<Float> =
         combine(taskContainerData.taskMenuOpenProgress, recentsViewData.tintAmount) {
-            taskMenuOpenProgress,
-            tintAmount ->
-            max(taskMenuOpenProgress * MAX_SCRIM_ALPHA, tintAmount)
-        }
+                taskMenuOpenProgress,
+                tintAmount ->
+                max(taskMenuOpenProgress * MAX_SCRIM_ALPHA, tintAmount)
+            }
+            .flowOn(dispatcherProvider.background)
 
-    override val splashAlpha = splashProgress.flatMapLatest { it }
+    override val splashAlpha =
+        splashProgress.flatMapLatest { it }.flowOn(dispatcherProvider.background)
 
     private val isLiveTile =
         combine(
@@ -77,7 +79,6 @@
                 runningTaskIds.contains(taskId) && !runningTaskShowScreenshot
             }
             .distinctUntilChanged()
-            .flowOn(dispatcherProvider.default)
 
     override val uiState: Flow<TaskThumbnailUiState> =
         combine(task.flatMapLatest { it }, isLiveTile) { taskVal, isRunning ->
@@ -99,7 +100,7 @@
                 }
             }
             .distinctUntilChanged()
-            .flowOn(dispatcherProvider.default)
+            .flowOn(dispatcherProvider.background)
 
     override fun bind(taskId: Int) {
         Log.d(TAG, "bind taskId: $taskId")
diff --git a/src/com/android/launcher3/util/coroutines/DispatcherProvider.kt b/src/com/android/launcher3/util/coroutines/DispatcherProvider.kt
index e9691a8..8877535 100644
--- a/src/com/android/launcher3/util/coroutines/DispatcherProvider.kt
+++ b/src/com/android/launcher3/util/coroutines/DispatcherProvider.kt
@@ -17,18 +17,44 @@
 package com.android.launcher3.util.coroutines
 
 import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.newFixedThreadPoolContext
 
 interface DispatcherProvider {
     val default: CoroutineDispatcher
-    val io: CoroutineDispatcher
+    val background: CoroutineDispatcher
     val main: CoroutineDispatcher
     val unconfined: CoroutineDispatcher
 }
 
 object ProductionDispatchers : DispatcherProvider {
+    private val bgDispatcher = CoroutinesHelper.bgDispatcher()
+
     override val default: CoroutineDispatcher = Dispatchers.Default
-    override val io: CoroutineDispatcher = Dispatchers.IO
+    override val background: CoroutineDispatcher = bgDispatcher
     override val main: CoroutineDispatcher = Dispatchers.Main
     override val unconfined: CoroutineDispatcher = Dispatchers.Unconfined
 }
+
+private object CoroutinesHelper {
+    /**
+     * Default Coroutine dispatcher for background operations.
+     *
+     * Note that this is explicitly limiting the number of threads. In the past, we used
+     * [Dispatchers.IO]. This caused >40 threads to be spawned, and a lot of thread list lock
+     * contention between then, eventually causing jank.
+     */
+    @OptIn(DelicateCoroutinesApi::class)
+    fun bgDispatcher(): CoroutineDispatcher {
+        // Why a new ThreadPool instead of just using Dispatchers.IO with
+        // CoroutineDispatcher.limitedParallelism? Because, if we were to use Dispatchers.IO, we
+        // would share those threads with other dependencies using Dispatchers.IO.
+        // Using a dedicated thread pool we have guarantees only Launcher is able to schedule
+        // code on those.
+        return newFixedThreadPoolContext(
+            nThreads = Runtime.getRuntime().availableProcessors(),
+            name = "LauncherBg",
+        )
+    }
+}
diff --git a/tests/multivalentTests/src/com/android/launcher3/util/TestDispatcherProvider.kt b/tests/multivalentTests/src/com/android/launcher3/util/TestDispatcherProvider.kt
index 39e1ec5..3319c53 100644
--- a/tests/multivalentTests/src/com/android/launcher3/util/TestDispatcherProvider.kt
+++ b/tests/multivalentTests/src/com/android/launcher3/util/TestDispatcherProvider.kt
@@ -21,7 +21,7 @@
 
 class TestDispatcherProvider(testDispatcher: CoroutineDispatcher) : DispatcherProvider {
     override val default: CoroutineDispatcher = testDispatcher
-    override val io: CoroutineDispatcher = testDispatcher
+    override val background: CoroutineDispatcher = testDispatcher
     override val main: CoroutineDispatcher = testDispatcher
     override val unconfined: CoroutineDispatcher = testDispatcher
 }