diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
index d37ac8ca..74a42cde 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewController.swift
@@ -100,7 +100,7 @@ extension HomeTimelineViewController {
                 self.view.backgroundColor = theme.secondarySystemBackgroundColor
             }
             .store(in: &disposeBag)
-        viewModel.displaySettingBarButtonItem
+        viewModel.$displaySettingBarButtonItem
             .receive(on: DispatchQueue.main)
             .sink { [weak self] displaySettingBarButtonItem in
                 guard let self = self else { return }
@@ -125,7 +125,7 @@ extension HomeTimelineViewController {
         settingBarButtonItem.action = #selector(HomeTimelineViewController.settingBarButtonItemPressed(_:))
         #endif
         
-        viewModel.displayComposeBarButtonItem
+        viewModel.$displayComposeBarButtonItem
             .receive(on: DispatchQueue.main)
             .sink { [weak self] displayComposeBarButtonItem in
                 guard let self = self else { return }
@@ -190,7 +190,18 @@ extension HomeTimelineViewController {
             statusTableViewCellDelegate: self,
             timelineMiddleLoaderTableViewCellDelegate: self
         )
-
+        
+        // setup batch fetch
+        viewModel.listBatchFetchViewModel.setup(scrollView: tableView)
+        viewModel.listBatchFetchViewModel.shouldFetch
+            .receive(on: DispatchQueue.main)
+            .sink { [weak self] _ in
+                guard let self = self else { return }
+                guard self.view.window != nil else { return }
+                self.viewModel.loadOldestStateMachine.enter(HomeTimelineViewModel.LoadOldestState.Loading.self)
+            }
+            .store(in: &disposeBag)
+        
         // bind refresh control
         viewModel.didLoadLatest
             .receive(on: DispatchQueue.main)
@@ -282,10 +293,10 @@ extension HomeTimelineViewController {
         
         viewModel.viewDidAppear.send()
 
-        if let timestamp = viewModel.lastAutomaticFetchTimestamp.value {
+        if let timestamp = viewModel.lastAutomaticFetchTimestamp {
             let now = Date()
             if now.timeIntervalSince(timestamp) > 60 {
-                self.viewModel.lastAutomaticFetchTimestamp.value = now
+                self.viewModel.lastAutomaticFetchTimestamp = now
                 self.viewModel.homeTimelineNeedRefresh.send()
             } else {
                 // do nothing
diff --git a/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel.swift b/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel.swift
index 3df276a1..262c995e 100644
--- a/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel.swift
+++ b/Mastodon/Scene/HomeTimeline/HomeTimelineViewModel.swift
@@ -26,13 +26,14 @@ final class HomeTimelineViewModel: NSObject {
     // input
     let context: AppContext
     let fetchedResultsController: FeedFetchedResultsController
-    let timelinePredicate = CurrentValueSubject<NSPredicate?, Never>(nil)
-    let viewDidAppear = PassthroughSubject<Void, Never>()
     let homeTimelineNavigationBarTitleViewModel: HomeTimelineNavigationBarTitleViewModel
-    let lastAutomaticFetchTimestamp = CurrentValueSubject<Date?, Never>(nil)
+    let listBatchFetchViewModel = ListBatchFetchViewModel()
+    let viewDidAppear = PassthroughSubject<Void, Never>()
+
+    @Published var lastAutomaticFetchTimestamp: Date? = nil
     @Published var scrollPositionRecord: ScrollPositionRecord? = nil
-    let displaySettingBarButtonItem = CurrentValueSubject<Bool, Never>(true)
-    let displayComposeBarButtonItem = CurrentValueSubject<Bool, Never>(true)
+    @Published var displaySettingBarButtonItem = true
+    @Published var displayComposeBarButtonItem = true
     
     weak var contentOffsetAdjustableTimelineViewControllerDelegate: ContentOffsetAdjustableTimelineViewControllerDelegate?
     weak var tableView: UITableView?
diff --git a/Mastodon/Scene/Profile/Timeline/UserTimelineViewController.swift b/Mastodon/Scene/Profile/Timeline/UserTimelineViewController.swift
index 0a1ae588..0b1717f5 100644
--- a/Mastodon/Scene/Profile/Timeline/UserTimelineViewController.swift
+++ b/Mastodon/Scene/Profile/Timeline/UserTimelineViewController.swift
@@ -92,13 +92,6 @@ extension UserTimelineViewController {
     
 }
 
-// MARK: - UIScrollViewDelegate
-//extension UserTimelineViewController {
-//    func scrollViewDidScroll(_ scrollView: UIScrollView) {
-//        aspectScrollViewDidScroll(scrollView)
-//    }
-//}
-
 // MARK: - UITableViewDelegate
 extension UserTimelineViewController: UITableViewDelegate, AutoGenerateTableViewDelegate {
     // sourcery:inline:UserTimelineViewController.AutoGenerateTableViewDelegate
@@ -126,96 +119,13 @@ extension UserTimelineViewController: UITableViewDelegate, AutoGenerateTableView
     }
 
     // sourcery:end
-//    func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
-//        aspectTableView(tableView, estimatedHeightForRowAt: indexPath)
-//    }
-//
-//    func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
-//        aspectTableView(tableView, willDisplay: cell, forRowAt: indexPath)
-//    }
-//
-//    func tableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
-//        aspectTableView(tableView, didEndDisplaying: cell, forRowAt: indexPath)
-//    }
-//
-//    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-//        aspectTableView(tableView, didSelectRowAt: indexPath)
-//    }
-//
-//    func tableView(_ tableView: UITableView, contextMenuConfigurationForRowAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
-//        return aspectTableView(tableView, contextMenuConfigurationForRowAt: indexPath, point: point)
-//    }
-//
-//    func tableView(_ tableView: UITableView, previewForHighlightingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
-//        return aspectTableView(tableView, previewForHighlightingContextMenuWithConfiguration: configuration)
-//    }
-//
-//    func tableView(_ tableView: UITableView, previewForDismissingContextMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
-//        return aspectTableView(tableView, previewForDismissingContextMenuWithConfiguration: configuration)
-//    }
-//
-//    func tableView(_ tableView: UITableView, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
-//        aspectTableView(tableView, willPerformPreviewActionForMenuWith: configuration, animator: animator)
-//    }
     
 }
 
-//// MARK: - UITableViewDataSourcePrefetching
-//extension UserTimelineViewController: UITableViewDataSourcePrefetching {
-//    func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
-//        aspectTableView(tableView, prefetchRowsAt: indexPaths)
-//    }
-//}
-
-// MARK: - AVPlayerViewControllerDelegate
-//extension UserTimelineViewController: AVPlayerViewControllerDelegate {
-//    
-//    func playerViewController(_ playerViewController: AVPlayerViewController, willBeginFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
-//        aspectPlayerViewController(playerViewController, willBeginFullScreenPresentationWithAnimationCoordinator: coordinator)
-//    }
-//    
-//    func playerViewController(_ playerViewController: AVPlayerViewController, willEndFullScreenPresentationWithAnimationCoordinator coordinator: UIViewControllerTransitionCoordinator) {
-//        aspectPlayerViewController(playerViewController, willEndFullScreenPresentationWithAnimationCoordinator: coordinator)
-//    }
-//    
-//}
-
-// MARK: - TimelinePostTableViewCellDelegate
-//extension UserTimelineViewController: StatusTableViewCellDelegate {
-//    weak var playerViewControllerDelegate: AVPlayerViewControllerDelegate? { return self }
-//    func parent() -> UIViewController { return self }
-//}
-
 // MARK: - CustomScrollViewContainerController
 extension UserTimelineViewController: ScrollViewContainer {
     var scrollView: UIScrollView { return tableView }
 }
 
-// MARK: - LoadMoreConfigurableTableViewContainer
-//extension UserTimelineViewController: LoadMoreConfigurableTableViewContainer {
-//    typealias BottomLoaderTableViewCell = TimelineBottomLoaderTableViewCell
-//    typealias LoadingState = UserTimelineViewModel.State.Loading
-//
-//    var loadMoreConfigurableTableView: UITable``````View { return tableView }
-//    var loadMoreConfigurableStateMachine: GKStateMachine { return viewModel.stateMachine }
-//}
-
-//extension UserTimelineViewController {
-//    override var keyCommands: [UIKeyCommand]? {
-//        return navigationKeyCommands + statusNavigationKeyCommands
-//    }
-//}
-//
-//// MARK: - StatusTableViewControllerNavigateable
-//extension UserTimelineViewController: StatusTableViewControllerNavigateable {
-//    @objc func navigateKeyCommandHandlerRelay(_ sender: UIKeyCommand) {
-//        navigateKeyCommandHandler(sender)
-//    }
-//
-//    @objc func statusKeyCommandHandlerRelay(_ sender: UIKeyCommand) {
-//        statusKeyCommandHandler(sender)
-//    }
-//}
-
 // MARK: - StatusTableViewCellDelegate
 extension UserTimelineViewController: StatusTableViewCellDelegate { }
diff --git a/Mastodon/Scene/Root/ContentSplitViewController.swift b/Mastodon/Scene/Root/ContentSplitViewController.swift
index 8ca59787..5a34e1ed 100644
--- a/Mastodon/Scene/Root/ContentSplitViewController.swift
+++ b/Mastodon/Scene/Root/ContentSplitViewController.swift
@@ -38,8 +38,8 @@ final class ContentSplitViewController: UIViewController, NeedsDependency {
     private(set) lazy var mainTabBarController: MainTabBarController = {
         let mainTabBarController = MainTabBarController(context: context, coordinator: coordinator)
         if let homeTimelineViewController = mainTabBarController.viewController(of: HomeTimelineViewController.self) {
-            homeTimelineViewController.viewModel.displayComposeBarButtonItem.value = false
-            homeTimelineViewController.viewModel.displaySettingBarButtonItem.value = false
+            homeTimelineViewController.viewModel.displayComposeBarButtonItem = false
+            homeTimelineViewController.viewModel.displaySettingBarButtonItem = false
         }
         return mainTabBarController
     }()