diff --git a/Classes/Bookmark v2/BookmarkSectionController.swift b/Classes/Bookmark v2/BookmarkSectionController.swift
index 0d60b54a..ff182869 100644
--- a/Classes/Bookmark v2/BookmarkSectionController.swift	
+++ b/Classes/Bookmark v2/BookmarkSectionController.swift	
@@ -47,7 +47,7 @@ final class BookmarkSectionController: ListGenericSectionController<BookmarkView
     }
 
     override func didSelectItem(at index: Int) {
-        collectionContext?.deselectItem(at: index, sectionController: self, animated: true)
+        collectionContext?.deselectItem(at: index, sectionController: self, animated: trueUnlessReduceMotionEnabled)
 
         guard let object = object else { return }
         delegate?.didSelect(bookmarkSectionController: self, viewModel: object)
diff --git a/Classes/Image Upload/ImageUploadTableViewController.swift b/Classes/Image Upload/ImageUploadTableViewController.swift
index 3f672313..6deefef7 100755
--- a/Classes/Image Upload/ImageUploadTableViewController.swift	
+++ b/Classes/Image Upload/ImageUploadTableViewController.swift	
@@ -122,7 +122,7 @@ class ImageUploadTableViewController: UITableViewController {
 
     @IBAction func didPressCancel() {
         let dismissBlock = {
-            self.dismiss(animated: true)
+            self.dismiss(animated: trueUnlessReduceMotionEnabled)
         }
 
         if titleText == nil && descriptionText == nil {
@@ -141,7 +141,7 @@ class ImageUploadTableViewController: UITableViewController {
             }
         ])
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     @IBAction func didPressUpload() {
@@ -194,7 +194,7 @@ class ImageUploadTableViewController: UITableViewController {
 
                 case .success(let link):
                     self?.delegate?.imageUploaded(link: link, altText: name)
-                    self?.dismiss(animated: true)
+                    self?.dismiss(animated: trueUnlessReduceMotionEnabled)
                 }
 
             }
@@ -203,7 +203,7 @@ class ImageUploadTableViewController: UITableViewController {
     
     @IBAction func didPressPreviewImage() {
         let previewViewController = NYTPhotosViewController(photos: [IssueCommentPhoto(image: image, data: nil)])
-        present(previewViewController, animated: true)
+        present(previewViewController, animated: trueUnlessReduceMotionEnabled)
     }
 }
 
diff --git a/Classes/Issues/Assignees/IssueAssigneesSectionController.swift b/Classes/Issues/Assignees/IssueAssigneesSectionController.swift
index 76548057..3b3c5531 100644
--- a/Classes/Issues/Assignees/IssueAssigneesSectionController.swift
+++ b/Classes/Issues/Assignees/IssueAssigneesSectionController.swift
@@ -94,7 +94,7 @@ ListBindingSectionControllerSelectionDelegate {
         ) {
         if viewModel is IssueAssigneeSummaryModel {
             expanded = !expanded
-            update(animated: true)
+            update(animated: trueUnlessReduceMotionEnabled)
         } else if let viewModel = viewModel as? IssueAssigneeViewModel {
             viewController?.presentProfile(login: viewModel.login)
         }
diff --git a/Classes/Issues/Comments/IssueCommentSectionController.swift b/Classes/Issues/Comments/IssueCommentSectionController.swift
index 96117f33..1fff05d7 100644
--- a/Classes/Issues/Comments/IssueCommentSectionController.swift
+++ b/Classes/Issues/Comments/IssueCommentSectionController.swift
@@ -94,7 +94,7 @@ DoubleTappableCellDelegate {
                 }
             ])
 
-            self?.viewController?.present(alert, animated: true)
+            self?.viewController?.present(alert, animated: trueUnlessReduceMotionEnabled)
         }
     }
 
@@ -117,7 +117,7 @@ DoubleTappableCellDelegate {
             edit.delegate = self
             let nav = UINavigationController(rootViewController: edit)
             nav.modalPresentationStyle = .formSheet
-            self?.viewController?.present(nav, animated: true)
+            self?.viewController?.present(nav, animated: trueUnlessReduceMotionEnabled)
         })
     }
 
@@ -135,7 +135,7 @@ DoubleTappableCellDelegate {
         guard collapsed else { return false }
         collapsed = false
         clearCollapseCells()
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
         return true
     }
 
@@ -153,12 +153,12 @@ DoubleTappableCellDelegate {
 
         cell?.perform(operation: result.operation, content: content)
 
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
         generator.impactOccurred()
         client.react(subjectID: object.id, content: content, isAdd: isAdd) { [weak self] result in
             if result == nil {
                 self?.reactionMutation = previousReaction
-                self?.update(animated: true)
+                self?.update(animated: trueUnlessReduceMotionEnabled)
             }
         }
     }
@@ -169,14 +169,14 @@ DoubleTappableCellDelegate {
 
         // Optimistically delete the comment
         hasBeenDeleted = true
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
 
         // Actually delete the comment now
         client.deleteComment(owner: model.owner, repo: model.repo, commentID: number) { [weak self] result in
             switch result {
             case .error:
                 self?.hasBeenDeleted = false
-                self?.update(animated: true)
+                self?.update(animated: trueUnlessReduceMotionEnabled)
 
                 ToastManager.showGenericError()
             case .success: break // Don't need to handle success since updated optimistically
@@ -354,7 +354,7 @@ DoubleTappableCellDelegate {
             deleteAction(),
             AlertAction.cancel()
         ])
-        viewController?.present(alert, animated: true)
+        viewController?.present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     func didTapProfile(cell: IssueCommentDetailCell) {
@@ -396,7 +396,7 @@ DoubleTappableCellDelegate {
     // MARK: EditCommentViewControllerDelegate
 
     func didEditComment(viewController: EditCommentViewController, markdown: String) {
-        viewController.dismiss(animated: true)
+        viewController.dismiss(animated: trueUnlessReduceMotionEnabled)
 
         guard let width = collectionContext?.containerSize.width else { return }
         let options = commentModelOptions(owner: model.owner, repo: model.repo)
@@ -404,11 +404,11 @@ DoubleTappableCellDelegate {
         bodyEdits = (markdown, bodyModels)
         collapsed = false
         clearCollapseCells()
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
     }
 
     func didCancel(viewController: EditCommentViewController) {
-        viewController.dismiss(animated: true)
+        viewController.dismiss(animated: trueUnlessReduceMotionEnabled)
     }
 
 }
diff --git a/Classes/Issues/Comments/Reactions/IssueCommentReactionCell.swift b/Classes/Issues/Comments/Reactions/IssueCommentReactionCell.swift
index ea43f206..41e85e75 100644
--- a/Classes/Issues/Comments/Reactions/IssueCommentReactionCell.swift
+++ b/Classes/Issues/Comments/Reactions/IssueCommentReactionCell.swift
@@ -115,7 +115,7 @@ UICollectionViewDelegateFlowLayout {
         let menu = UIMenuController.shared
         menu.menuItems = actions.map { UIMenuItem(title: $0.0, action: $0.1) }
         menu.setTargetRect(addButton.imageView?.frame ?? .zero, in: addButton)
-        menu.setMenuVisible(true, animated: true)
+        menu.setMenuVisible(true, animated: trueUnlessReduceMotionEnabled)
     }
 
     override func canPerformAction(_ action: Selector, withSender sender: Any?) -> Bool {
diff --git a/Classes/Issues/Comments/Reactions/IssueReactionCell.swift b/Classes/Issues/Comments/Reactions/IssueReactionCell.swift
index 856f6fce..630ba2dd 100644
--- a/Classes/Issues/Comments/Reactions/IssueReactionCell.swift
+++ b/Classes/Issues/Comments/Reactions/IssueReactionCell.swift
@@ -125,7 +125,7 @@ final class IssueReactionCell: UICollectionViewCell {
             UIMenuItem(title: detailText, action: #selector(IssueReactionCell.empty))
         ]
         menu.setTargetRect(contentView.bounds, in: self)
-        menu.setMenuVisible(true, animated: true)
+        menu.setMenuVisible(true, animated: trueUnlessReduceMotionEnabled)
     }
 
     @objc func empty() {}
diff --git a/Classes/Issues/Comments/Reactions/UIMenuController+Reactions.swift b/Classes/Issues/Comments/Reactions/UIMenuController+Reactions.swift
index 46d7a2aa..5dbe738d 100644
--- a/Classes/Issues/Comments/Reactions/UIMenuController+Reactions.swift
+++ b/Classes/Issues/Comments/Reactions/UIMenuController+Reactions.swift
@@ -25,7 +25,7 @@ extension UIMenuController {
             UIMenuItem(title: $0.rawValue, action: #selector(UIMenuController._empty))
         }
         setTargetRect(fromView.bounds, in: fromView)
-        setMenuVisible(true, animated: true)
+        setMenuVisible(true, animated: trueUnlessReduceMotionEnabled)
     }
 
     @objc func _empty() {}
diff --git a/Classes/Issues/EditComment/EditCommentViewController.swift b/Classes/Issues/EditComment/EditCommentViewController.swift
index 8f31b23b..4531a293 100644
--- a/Classes/Issues/EditComment/EditCommentViewController.swift
+++ b/Classes/Issues/EditComment/EditCommentViewController.swift
@@ -139,7 +139,7 @@ class EditCommentViewController: UIViewController, UITextViewDelegate {
                     dismissBlock()
                 }
                 ])
-            present(alert, animated: true)
+            present(alert, animated: trueUnlessReduceMotionEnabled)
         }
     }
 
diff --git a/Classes/Issues/Files/IssueFilesViewController.swift b/Classes/Issues/Files/IssueFilesViewController.swift
index 4836d2fa..12fc90b6 100644
--- a/Classes/Issues/Files/IssueFilesViewController.swift
+++ b/Classes/Issues/Files/IssueFilesViewController.swift
@@ -56,9 +56,9 @@ ListSingleSectionControllerDelegate {
             } else {
                 self.files = files
             }
-            update(page: next as NSNumber?, animated: true)
+            update(page: next as NSNumber?, animated: trueUnlessReduceMotionEnabled)
         case .error:
-            error(animated: true)
+            error(animated: trueUnlessReduceMotionEnabled)
         }
     }
 
diff --git a/Classes/Issues/Files/IssueViewFilesSectionController.swift b/Classes/Issues/Files/IssueViewFilesSectionController.swift
index aa23db5a..1d807106 100644
--- a/Classes/Issues/Files/IssueViewFilesSectionController.swift
+++ b/Classes/Issues/Files/IssueViewFilesSectionController.swift
@@ -39,7 +39,7 @@ final class IssueViewFilesSectionController: ListGenericSectionController<IssueF
     override func didSelectItem(at index: Int) {
         guard let object = self.object else { return }
 
-        collectionContext?.deselectItem(at: index, sectionController: self, animated: true)
+        collectionContext?.deselectItem(at: index, sectionController: self, animated: trueUnlessReduceMotionEnabled)
 
         let controller = IssueFilesViewController(model: issueModel, client: client, fileCount: object.changes.changedFiles)
         viewController?.show(controller, sender: nil)
diff --git a/Classes/Issues/IssueTextActionsView.swift b/Classes/Issues/IssueTextActionsView.swift
index 69225fe2..23d2eea0 100644
--- a/Classes/Issues/IssueTextActionsView.swift
+++ b/Classes/Issues/IssueTextActionsView.swift
@@ -123,7 +123,7 @@ final class IssueTextActionsView: UIView, UICollectionViewDataSource, UICollecti
     // MARK: UICollectionViewDelegateFlowLayout
 
     func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
-        collectionView.deselectItem(at: indexPath, animated: true)
+        collectionView.deselectItem(at: indexPath, animated: trueUnlessReduceMotionEnabled)
         delegate?.didSelect(actionsView: self, operation: operations[indexPath.item])
     }
 
diff --git a/Classes/Issues/IssuesViewController.swift b/Classes/Issues/IssuesViewController.swift
index 8028a31d..ba602621 100644
--- a/Classes/Issues/IssuesViewController.swift
+++ b/Classes/Issues/IssuesViewController.swift
@@ -61,7 +61,7 @@ FlatCacheListener {
             } else {
                 hidden = true
             }
-            self.setTextInputbarHidden(hidden, animated: true)
+            self.setTextInputbarHidden(hidden, animated: trueUnlessReduceMotionEnabled)
 
             // hack required to get textInputBar.contentView + textView laid out correctly
             self.textInputbar.layoutIfNeeded()
@@ -317,7 +317,7 @@ FlatCacheListener {
         ])
         alert.popoverPresentationController?.setSourceView(sender)
         
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     func fetch(previous: Bool) {
@@ -330,7 +330,7 @@ FlatCacheListener {
                 case .success(let permission):
                     self?.viewerIsCollaborator = permission.canManage
                     // avoid finishLoading() so empty view doesn't appear
-                    self?.feed.adapter.performUpdates(animated: true)
+                    self?.feed.adapter.performUpdates(animated: trueUnlessReduceMotionEnabled)
                 case .error:
                     ToastManager.showGenericError()
                 }
@@ -367,7 +367,7 @@ FlatCacheListener {
         feed.finishLoading(dismissRefresh: dismissRefresh) { [weak self] in
             if self?.needsScrollToBottom == true {
                 self?.needsScrollToBottom = false
-                self?.feed.collectionView.slk_scrollToBottom(animated: true)
+                self?.feed.collectionView.slk_scrollToBottom(animated: trueUnlessReduceMotionEnabled)
             }
         }
     }
diff --git a/Classes/Issues/Managing/IssueManagingSectionController.swift b/Classes/Issues/Managing/IssueManagingSectionController.swift
index 5e428f61..22387880 100644
--- a/Classes/Issues/Managing/IssueManagingSectionController.swift
+++ b/Classes/Issues/Managing/IssueManagingSectionController.swift
@@ -108,7 +108,7 @@ PeopleViewControllerDelegate {
         nav.modalPresentationStyle = .popover
         nav.popoverPresentationController?.sourceView = cell
         nav.popoverPresentationController?.sourceRect = cell.bounds
-        viewController?.present(nav, animated: true)
+        viewController?.present(nav, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: ListBindingSectionControllerDataSource
@@ -179,7 +179,7 @@ PeopleViewControllerDelegate {
         didSelectItemAt index: Int,
         viewModel: Any
         ) {
-        collectionContext?.deselectItem(at: index, sectionController: self, animated: true)
+        collectionContext?.deselectItem(at: index, sectionController: self, animated: trueUnlessReduceMotionEnabled)
         
         guard updating == false,
             let viewModel = viewModel as? ListDiffable,
@@ -191,7 +191,7 @@ PeopleViewControllerDelegate {
             cell.animate(expanded: expanded)
 
             updating = true
-            update(animated: true, completion: { [weak self] _ in
+            update(animated: trueUnlessReduceMotionEnabled, completion: { [weak self] _ in
                 self?.updating = false
             })
         } else if viewModel === Action.labels {
diff --git a/Classes/Issues/NeckLoad/IssueNeckLoadSectionController.swift b/Classes/Issues/NeckLoad/IssueNeckLoadSectionController.swift
index 8ffed7c4..b4774b77 100644
--- a/Classes/Issues/NeckLoad/IssueNeckLoadSectionController.swift
+++ b/Classes/Issues/NeckLoad/IssueNeckLoadSectionController.swift
@@ -36,7 +36,7 @@ final class IssueNeckLoadSectionController: ListSectionController {
 
     override func didSelectItem(at index: Int) {
         delegate?.didSelect(sectionController: self)
-        collectionContext?.performBatch(animated: true, updates: { context in
+        collectionContext?.performBatch(animated: trueUnlessReduceMotionEnabled, updates: { context in
             self.loadingOverride = true
             context.reload(self)
         })
diff --git a/Classes/Issues/Review/IssueReviewSectionController.swift b/Classes/Issues/Review/IssueReviewSectionController.swift
index 458ae6de..ca08bd28 100644
--- a/Classes/Issues/Review/IssueReviewSectionController.swift
+++ b/Classes/Issues/Review/IssueReviewSectionController.swift
@@ -139,7 +139,7 @@ IssueReviewViewCommentsCellDelegate {
 
     func didTapViewComments(cell: IssueReviewViewCommentsCell) {
         let controller = PullRequestReviewCommentsViewController(model: model, client: client)
-        viewController?.navigationController?.pushViewController(controller, animated: true)
+        viewController?.navigationController?.pushViewController(controller, animated: trueUnlessReduceMotionEnabled)
     }
 
 }
diff --git a/Classes/Labels/LabelsViewController.swift b/Classes/Labels/LabelsViewController.swift
index cd1d8f4b..67d845f2 100644
--- a/Classes/Labels/LabelsViewController.swift
+++ b/Classes/Labels/LabelsViewController.swift
@@ -72,7 +72,7 @@ final class LabelsViewController: UITableViewController {
             }
         }
         delegate?.didDismiss(controller: self, selectedLabels: selected)
-        dismiss(animated: true)
+        dismiss(animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: UITableViewDataSource
@@ -92,7 +92,7 @@ final class LabelsViewController: UITableViewController {
     // MARK: UITableViewDelegate
 
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        tableView.deselectRow(at: indexPath, animated: true)
+        tableView.deselectRow(at: indexPath, animated: trueUnlessReduceMotionEnabled)
         let name = labels[indexPath.row].name
         if selectedLabels.contains(name) {
             selectedLabels.remove(name)
diff --git a/Classes/Login/LoginSplashViewController.swift b/Classes/Login/LoginSplashViewController.swift
index 579e9feb..60c0fc60 100644
--- a/Classes/Login/LoginSplashViewController.swift
+++ b/Classes/Login/LoginSplashViewController.swift
@@ -78,7 +78,7 @@ final class LoginSplashViewController: UIViewController, GithubSessionListener {
         } else {
             guard let safariController = try? SFSafariViewController.configured(with: loginURL) else { return }
             self.safariController = safariController
-            present(safariController, animated: true)
+            present(safariController, animated: trueUnlessReduceMotionEnabled)
         }
     }
 
@@ -107,7 +107,7 @@ final class LoginSplashViewController: UIViewController, GithubSessionListener {
             })
         ])
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     private func handle(result: Result<GithubClient.AccessTokenUser>, authMethod: GithubUserSession.AuthMethod) {
@@ -126,7 +126,7 @@ final class LoginSplashViewController: UIViewController, GithubSessionListener {
             preferredStyle: .alert
         )
         alert.addAction(AlertAction.ok())
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     private func finishLogin(token: String, authMethod: GithubUserSession.AuthMethod, username: String) {
@@ -139,7 +139,7 @@ final class LoginSplashViewController: UIViewController, GithubSessionListener {
     // MARK: GithubSessionListener
 
     func didReceiveRedirect(manager: GithubSessionManager, code: String) {
-        safariController?.dismiss(animated: true)
+        safariController?.dismiss(animated: trueUnlessReduceMotionEnabled)
         state = .fetchingToken
 
         client.requestAccessToken(code: code) { result in
diff --git a/Classes/Milestones/MilestonesViewController.swift b/Classes/Milestones/MilestonesViewController.swift
index b7b0bb57..51f0c1da 100644
--- a/Classes/Milestones/MilestonesViewController.swift
+++ b/Classes/Milestones/MilestonesViewController.swift
@@ -52,7 +52,7 @@ final class MilestonesViewController: UITableViewController {
 
     @IBAction func onDone(_ sender: Any) {
         delegate?.didDismiss(controller: self, selected: selected)
-        dismiss(animated: true)
+        dismiss(animated: trueUnlessReduceMotionEnabled)
     }
 
     @objc func onRefresh() {
@@ -94,7 +94,7 @@ final class MilestonesViewController: UITableViewController {
     // MARK: UITableViewDelegate
 
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        tableView.deselectRow(at: indexPath, animated: true)
+        tableView.deselectRow(at: indexPath, animated: trueUnlessReduceMotionEnabled)
         let milestone = milestones[indexPath.row]
         if milestone == selected {
             selected = nil
diff --git a/Classes/New Issue/NewIssueTableViewController.swift b/Classes/New Issue/NewIssueTableViewController.swift
index 9a2ed1b8..e4d33d29 100644
--- a/Classes/New Issue/NewIssueTableViewController.swift	
+++ b/Classes/New Issue/NewIssueTableViewController.swift	
@@ -159,7 +159,7 @@ final class NewIssueTableViewController: UITableViewController, UITextFieldDeleg
             }
 
             let delegate = strongSelf.delegate
-            strongSelf.dismiss(animated: true, completion: {
+            strongSelf.dismiss(animated: trueUnlessReduceMotionEnabled, completion: {
                 delegate?.didDismissAfterCreatingIssue(model: model)
             })
         }
diff --git a/Classes/Notifications/NoNewNotificationsCell.swift b/Classes/Notifications/NoNewNotificationsCell.swift
index bbfcb9e3..be6138c9 100644
--- a/Classes/Notifications/NoNewNotificationsCell.swift
+++ b/Classes/Notifications/NoNewNotificationsCell.swift
@@ -22,7 +22,7 @@ final class NoNewNotificationsCell: UICollectionViewCell {
         emojiLabel.text = "🎉"
         emojiLabel.textAlignment = .center
         emojiLabel.backgroundColor = .clear
-        emojiLabel.font = UIFont.systemFont(ofSize: 60)
+        emojiLabel.font = .systemFont(ofSize: 60)
         contentView.addSubview(emojiLabel)
         emojiLabel.snp.makeConstraints { make in
             make.centerX.equalTo(contentView)
@@ -99,12 +99,13 @@ final class NoNewNotificationsCell: UICollectionViewCell {
     // MARK: Private API
 
     @objc private func resetAnimations() {
+        guard trueUnlessReduceMotionEnabled else { return }
         let timingFunction = CAMediaTimingFunction(name: kCAMediaTimingFunctionEaseInEaseOut)
         let duration: TimeInterval = 1
 
         let emojiBounce = CABasicAnimation(keyPath: "transform.translation.y")
         emojiBounce.toValue = -10
-        emojiBounce.repeatCount = Float.greatestFiniteMagnitude
+        emojiBounce.repeatCount = .greatestFiniteMagnitude
         emojiBounce.autoreverses = true
         emojiBounce.duration = duration
         emojiBounce.timingFunction = timingFunction
@@ -113,7 +114,7 @@ final class NoNewNotificationsCell: UICollectionViewCell {
 
         let shadowScale = CABasicAnimation(keyPath: "transform.scale")
         shadowScale.toValue = 0.9
-        shadowScale.repeatCount = Float.greatestFiniteMagnitude
+        shadowScale.repeatCount = .greatestFiniteMagnitude
         shadowScale.autoreverses = true
         shadowScale.duration = duration
         shadowScale.timingFunction = timingFunction
diff --git a/Classes/Notifications/NotificationsViewController.swift b/Classes/Notifications/NotificationsViewController.swift
index 42fbdd28..33aff354 100644
--- a/Classes/Notifications/NotificationsViewController.swift
+++ b/Classes/Notifications/NotificationsViewController.swift
@@ -65,7 +65,7 @@ FlatCacheListener {
     @objc func onViewAll() {
         let controller = NotificationsViewController(client: client, showRead: true)
         controller.title = NSLocalizedString("Archives", comment: "")
-        navigationController?.pushViewController(controller, animated: true)
+        navigationController?.pushViewController(controller, animated: trueUnlessReduceMotionEnabled)
     }
 
     func resetLeftBarItem() {
@@ -124,7 +124,7 @@ FlatCacheListener {
             AlertAction.cancel()
         ])
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     private func handle(result: Result<([NotificationViewModel], Int?)>, append: Bool, animated: Bool, page: Int) {
@@ -137,7 +137,7 @@ FlatCacheListener {
             }
             rebuildAndUpdate(ids: ids, append: append, page: next as NSNumber?, animated: animated)
         case .error:
-            error(animated: true)
+            error(animated: trueUnlessReduceMotionEnabled)
             ToastManager.showNetworkError()
         }
 
@@ -170,7 +170,7 @@ FlatCacheListener {
         } else {
             let first = 1
             client.requestNotifications(all: showRead, page: first, width: width) { [weak self] result in
-                self?.handle(result: result, append: false, animated: true, page: first)
+                self?.handle(result: result, append: false, animated: trueUnlessReduceMotionEnabled, page: first)
             }
         }
     }
@@ -225,13 +225,13 @@ FlatCacheListener {
 
     func ratingNeedsDismiss(sectionController: RatingSectionController) {
         ratingToken = nil
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: TabNavRootViewControllerType
 
     func didSingleTapTab() {
-        feed.collectionView.scrollToTop(animated: true)
+        feed.collectionView.scrollToTop(animated: trueUnlessReduceMotionEnabled)
     }
 
     func didDoubleTapTab() {}
@@ -240,7 +240,7 @@ FlatCacheListener {
 
     func flatCacheDidUpdate(cache: FlatCache, update: FlatCache.Update) {
         switch update {
-        case .item: self.update(animated: true)
+        case .item: self.update(animated: trueUnlessReduceMotionEnabled)
         case .list: break
         }
     }
diff --git a/Classes/People/PeopleViewController.swift b/Classes/People/PeopleViewController.swift
index 25c10988..c8e922ed 100644
--- a/Classes/People/PeopleViewController.swift
+++ b/Classes/People/PeopleViewController.swift
@@ -76,7 +76,7 @@ final class PeopleViewController: UITableViewController {
     @IBAction func onDone(_ sender: Any) {
         let selections = users.filter { self.selections.contains($0.login) }
         delegate?.didDismiss(controller: self, type: type, selections: selections)
-        dismiss(animated: true)
+        dismiss(animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: Public API
@@ -121,7 +121,7 @@ final class PeopleViewController: UITableViewController {
     // MARK: UITableViewDelegate
 
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        tableView.deselectRow(at: indexPath, animated: true)
+        tableView.deselectRow(at: indexPath, animated: trueUnlessReduceMotionEnabled)
 
         let login = users[indexPath.row].login
         if selections.contains(login) {
diff --git a/Classes/PullReqeustReviews/PullRequestReviewCommentsViewController.swift b/Classes/PullReqeustReviews/PullRequestReviewCommentsViewController.swift
index 58bd61de..3dbc0674 100644
--- a/Classes/PullReqeustReviews/PullRequestReviewCommentsViewController.swift
+++ b/Classes/PullReqeustReviews/PullRequestReviewCommentsViewController.swift
@@ -43,7 +43,7 @@ BaseListViewControllerDataSource {
             case .error: ToastManager.showGenericError()
             case .success(let models, let page):
                 self?.models = models
-                self?.update(page: page as NSNumber?, animated: true)
+                self?.update(page: page as NSNumber?, animated: trueUnlessReduceMotionEnabled)
             }
         }
     }
diff --git a/Classes/Repository/RepositoryCodeBlobViewController.swift b/Classes/Repository/RepositoryCodeBlobViewController.swift
index 8811b2b9..d6d200a5 100644
--- a/Classes/Repository/RepositoryCodeBlobViewController.swift
+++ b/Classes/Repository/RepositoryCodeBlobViewController.swift
@@ -89,7 +89,7 @@ final class RepositoryCodeBlobViewController: UIViewController {
         let activityController = UIActivityViewController(activityItems: [payload], applicationActivities: nil)
         activityController.popoverPresentationController?.barButtonItem = sender
 
-        present(activityController, animated: true)
+        present(activityController, animated: trueUnlessReduceMotionEnabled)
     }
 
     func fetch() {
diff --git a/Classes/Repository/RepositoryCodeDirectoryViewController.swift b/Classes/Repository/RepositoryCodeDirectoryViewController.swift
index 9e01cb02..5c593878 100644
--- a/Classes/Repository/RepositoryCodeDirectoryViewController.swift
+++ b/Classes/Repository/RepositoryCodeDirectoryViewController.swift
@@ -73,10 +73,10 @@ ListSingleSectionControllerDelegate {
         ) { [weak self] (result) in
             switch result {
             case .error:
-                self?.error(animated: true)
+                self?.error(animated: trueUnlessReduceMotionEnabled)
             case .success(let files):
                 self?.files = files
-                self?.update(animated: true)
+                self?.update(animated: trueUnlessReduceMotionEnabled)
             }
         }
     }
@@ -139,7 +139,7 @@ ListSingleSectionControllerDelegate {
                 path: next
             )
         }
-        navigationController?.pushViewController(controller, animated: true)
+        navigationController?.pushViewController(controller, animated: trueUnlessReduceMotionEnabled)
     }
 
 }
diff --git a/Classes/Repository/RepositoryIssuesViewController.swift b/Classes/Repository/RepositoryIssuesViewController.swift
index 6e0de1cb..e408cc59 100644
--- a/Classes/Repository/RepositoryIssuesViewController.swift
+++ b/Classes/Repository/RepositoryIssuesViewController.swift
@@ -64,14 +64,14 @@ SearchBarSectionControllerDelegate {
         let block = { [weak self] (result: Result<RepositoryClient.RepositoryPayload>) in
             switch result {
             case .error:
-                self?.error(animated: true)
+                self?.error(animated: trueUnlessReduceMotionEnabled)
             case .success(let payload):
                 if page != nil {
                     self?.models += payload.models as [ListDiffable]
                 } else {
                     self?.models = payload.models
                 }
-                self?.update(page: payload.nextPage as NSString?, animated: true)
+                self?.update(page: payload.nextPage as NSString?, animated: trueUnlessReduceMotionEnabled)
             }
         }
 
@@ -84,7 +84,7 @@ SearchBarSectionControllerDelegate {
     // MARK: SearchBarSectionControllerDelegate
 
     func didChangeSelection(sectionController: SearchBarSectionController, query: String) {
-        filter(query: query, animated: true)
+        filter(query: query, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: BaseListViewControllerDataSource
diff --git a/Classes/Repository/RepositoryOverviewViewController.swift b/Classes/Repository/RepositoryOverviewViewController.swift
index 6e424fa9..54f364e6 100644
--- a/Classes/Repository/RepositoryOverviewViewController.swift
+++ b/Classes/Repository/RepositoryOverviewViewController.swift
@@ -43,7 +43,7 @@ BaseListViewControllerDataSource {
         client.fetchReadme { [weak self] result in
             switch result {
             case .error:
-                self?.error(animated: true)
+                self?.error(animated: trueUnlessReduceMotionEnabled)
             case .success(let readme):
                 DispatchQueue.global().async {
                     let options = GitHubMarkdownOptions(owner: repo.owner, repo: repo.name, flavors: [.baseURL])
@@ -51,7 +51,7 @@ BaseListViewControllerDataSource {
                     let model = RepositoryReadmeModel(models: models)
                     DispatchQueue.main.async { [weak self] in
                         self?.readme = model
-                        self?.update(animated: true)
+                        self?.update(animated: trueUnlessReduceMotionEnabled)
                     }
                 }
             }
diff --git a/Classes/Repository/RepositorySummarySectionController.swift b/Classes/Repository/RepositorySummarySectionController.swift
index 43c9f597..0a3d287e 100644
--- a/Classes/Repository/RepositorySummarySectionController.swift
+++ b/Classes/Repository/RepositorySummarySectionController.swift
@@ -45,7 +45,7 @@ final class RepositorySummarySectionController: ListGenericSectionController<Rep
         guard let number = self.object?.number else { return }
         let issueModel = IssueDetailsModel(owner: repo.owner, repo: repo.name, number: number)
         let controller = IssuesViewController(client: client, model: issueModel)
-        viewController?.navigationController?.pushViewController(controller, animated: true)
+        viewController?.navigationController?.pushViewController(controller, animated: trueUnlessReduceMotionEnabled)
     }
 
 }
diff --git a/Classes/Repository/RepositoryViewController.swift b/Classes/Repository/RepositoryViewController.swift
index 2578a131..ec50ba4c 100644
--- a/Classes/Repository/RepositoryViewController.swift
+++ b/Classes/Repository/RepositoryViewController.swift
@@ -127,7 +127,7 @@ NewIssueTableViewControllerDelegate {
         ])
         alert.popoverPresentationController?.setSourceView(sender)
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: PageboyViewControllerDataSource
diff --git a/Classes/Search/SearchRecentSectionController.swift b/Classes/Search/SearchRecentSectionController.swift
index 236e16c6..e07298e5 100644
--- a/Classes/Search/SearchRecentSectionController.swift
+++ b/Classes/Search/SearchRecentSectionController.swift
@@ -40,7 +40,7 @@ final class SearchRecentSectionController: ListGenericSectionController<SearchRe
     }
 
     override func didSelectItem(at index: Int) {
-        collectionContext?.deselectItem(at: index, sectionController: self, animated: true)
+        collectionContext?.deselectItem(at: index, sectionController: self, animated: trueUnlessReduceMotionEnabled)
         delegate?.didSelect(recentSectionController: self, viewModel: searchViewModel)
     }
 
diff --git a/Classes/Search/SearchViewController.swift b/Classes/Search/SearchViewController.swift
index d7843586..b2805bdd 100644
--- a/Classes/Search/SearchViewController.swift
+++ b/Classes/Search/SearchViewController.swift
@@ -130,7 +130,7 @@ SearchResultSectionControllerDelegate {
 
         let request = client.search(query: term, containerWidth: view.bounds.width) { [weak self] resultType in
             guard let state = self?.state, case .loading = state else { return }
-            self?.handle(resultType: resultType, animated: true)
+            self?.handle(resultType: resultType, animated: trueUnlessReduceMotionEnabled)
         }
         state = .loading(request, query)
 
@@ -209,7 +209,7 @@ SearchResultSectionControllerDelegate {
     }
 
     func searchBarTextDidBeginEditing(_ searchBar: UISearchBar) {
-        searchBar.setShowsCancelButton(true, animated: true)
+        searchBar.setShowsCancelButton(true, animated: trueUnlessReduceMotionEnabled)
     }
 
     func searchBarSearchButtonClicked(_ searchBar: UISearchBar) {
@@ -220,7 +220,7 @@ SearchResultSectionControllerDelegate {
     }
 
     func searchBarCancelButtonClicked(_ searchBar: UISearchBar) {
-        searchBar.setShowsCancelButton(false, animated: true)
+        searchBar.setShowsCancelButton(false, animated: trueUnlessReduceMotionEnabled)
         searchBar.text = ""
         searchBar.resignFirstResponder()
 
@@ -232,7 +232,7 @@ SearchResultSectionControllerDelegate {
 
     func didTap(emptyView: InitialEmptyView) {
         searchBar.resignFirstResponder()
-        searchBar.setShowsCancelButton(false, animated: true)
+        searchBar.setShowsCancelButton(false, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: SearchRecentSectionControllerDelegate
@@ -258,7 +258,7 @@ SearchResultSectionControllerDelegate {
 
         // always animate this transition b/c IGListKit disables global animations
         // otherwise pushing the next view controller wont be animated
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
 
         let repoViewController = RepositoryViewController(client: client, repo: repo)
         let navigation = UINavigationController(rootViewController: repoViewController)
@@ -278,18 +278,18 @@ SearchResultSectionControllerDelegate {
             AlertAction.clearAll({ [weak self] _ in
                 guard let strongSelf = self else { return }
                 strongSelf.recentStore.clear()
-                strongSelf.adapter.performUpdates(animated: true)
+                strongSelf.adapter.performUpdates(animated: trueUnlessReduceMotionEnabled)
             }),
             AlertAction.cancel()
         ])
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: TabNavRootViewControllerType
 
     func didSingleTapTab() {
-        collectionView.scrollToTop(animated: true)
+        collectionView.scrollToTop(animated: trueUnlessReduceMotionEnabled)
     }
 
     func didDoubleTapTab() {
@@ -300,13 +300,13 @@ SearchResultSectionControllerDelegate {
 
     func didSelect(sectionController: SearchResultSectionController, repo: RepositoryDetails) {
         recentStore.add(.recentlyViewed(repo))
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
         searchBar.resignFirstResponder()
     }
 
     func didDelete(recentSectionController: SearchRecentSectionController, viewModel: SearchRecentViewModel) {
         recentStore.remove(viewModel.query)
-        update(animated: true)
+        update(animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: Private API
diff --git a/Classes/Settings/SettingsAccountsViewController.swift b/Classes/Settings/SettingsAccountsViewController.swift
index b7ac52b7..257147ba 100644
--- a/Classes/Settings/SettingsAccountsViewController.swift
+++ b/Classes/Settings/SettingsAccountsViewController.swift
@@ -48,7 +48,7 @@ final class SettingsAccountsViewController: UITableViewController, GithubSession
             })
         ])
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     private func handle(result: Result<GithubClient.AccessTokenUser>, authMethod: GithubUserSession.AuthMethod) {
@@ -65,7 +65,7 @@ final class SettingsAccountsViewController: UITableViewController, GithubSession
             preferredStyle: .alert
         )
         alert.addAction(AlertAction.ok())
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     private func finishLogin(token: String, authMethod: GithubUserSession.AuthMethod, username: String) {
@@ -98,7 +98,7 @@ final class SettingsAccountsViewController: UITableViewController, GithubSession
     // MARK: UITableViewDelegate
 
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        tableView.deselectRow(at: indexPath, animated: true)
+        tableView.deselectRow(at: indexPath, animated: trueUnlessReduceMotionEnabled)
 
         let selectedSession = userSessions[indexPath.row]
         guard selectedSession != sessionManager.focusedUserSession else { return }
diff --git a/Classes/Settings/SettingsViewController.swift b/Classes/Settings/SettingsViewController.swift
index cc093221..ec267364 100644
--- a/Classes/Settings/SettingsViewController.swift
+++ b/Classes/Settings/SettingsViewController.swift
@@ -64,7 +64,7 @@ NewIssueTableViewControllerDelegate {
     // MARK: UITableViewDelegate
 
     override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
-        func deselectRow() { tableView.deselectRow(at: indexPath, animated: true) }
+        func deselectRow() { tableView.deselectRow(at: indexPath, animated: trueUnlessReduceMotionEnabled) }
         let cell = tableView.cellForRow(at: indexPath)
 
         if cell === reviewAccessCell {
@@ -128,7 +128,7 @@ NewIssueTableViewControllerDelegate {
         viewController.delegate = self
         let navController = UINavigationController(rootViewController: viewController)
         navController.modalPresentationStyle = .formSheet
-        present(navController, animated: true)
+        present(navController, animated: trueUnlessReduceMotionEnabled)
     }
 
     func onViewSource() {
@@ -151,7 +151,7 @@ NewIssueTableViewControllerDelegate {
             }
         ])
 
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
     func signout() {
diff --git a/Classes/Systems/PhotoViewHandler.swift b/Classes/Systems/PhotoViewHandler.swift
index ee43bd5b..643c295e 100644
--- a/Classes/Systems/PhotoViewHandler.swift
+++ b/Classes/Systems/PhotoViewHandler.swift
@@ -29,7 +29,7 @@ IssueCommentHtmlCellImageDelegate {
         let photo = IssueCommentPhoto(image: image, data: animatedImageData)
         let photosViewController = NYTPhotosViewController(photos: [photo])
         photosViewController.delegate = self
-        viewController?.present(photosViewController, animated: true)
+        viewController?.present(photosViewController, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: NYTPhotosViewControllerDelegate
@@ -49,7 +49,7 @@ IssueCommentHtmlCellImageDelegate {
             if let image = image {
                 let photo = IssueCommentPhoto(image: image, data: nil)
                 let photosViewController = NYTPhotosViewController(photos: [photo])
-                self?.viewController?.present(photosViewController, animated: true)
+                self?.viewController?.present(photosViewController, animated: trueUnlessReduceMotionEnabled)
             } else {
                 ToastManager.showGenericError()
             }
diff --git a/Classes/Systems/RootNavigationManager.swift b/Classes/Systems/RootNavigationManager.swift
index fd345f72..8bb0c89c 100644
--- a/Classes/Systems/RootNavigationManager.swift
+++ b/Classes/Systems/RootNavigationManager.swift
@@ -80,7 +80,7 @@ final class RootNavigationManager: GithubSessionListener {
 
     public func pushLoginViewController(nav: UINavigationController) {
         let login = newLoginViewController()
-        nav.pushViewController(login, animated: true)
+        nav.pushViewController(login, animated: trueUnlessReduceMotionEnabled)
     }
 
     @discardableResult
@@ -95,7 +95,7 @@ final class RootNavigationManager: GithubSessionListener {
         resetRootViewController(userSession: userSession)
 
         if dismiss {
-            rootViewController?.presentedViewController?.dismiss(animated: true)
+            rootViewController?.presentedViewController?.dismiss(animated: trueUnlessReduceMotionEnabled)
         }
     }
 
@@ -109,7 +109,7 @@ final class RootNavigationManager: GithubSessionListener {
         }
 
         detailNavigationController?.viewControllers = [SplitPlaceholderViewController()]
-        showLogin(animated: true)
+        showLogin(animated: trueUnlessReduceMotionEnabled)
     }
 
     func didReceiveRedirect(manager: GithubSessionManager, code: String) {}
diff --git a/Classes/Utility/Accessibility.swift b/Classes/Utility/Accessibility.swift
index 08e10d86..eeea3ce6 100644
--- a/Classes/Utility/Accessibility.swift
+++ b/Classes/Utility/Accessibility.swift
@@ -36,3 +36,9 @@ private extension AccessibilityHelper {
         }
     }
 }
+
+// MARK: Reduce motion
+
+var trueUnlessReduceMotionEnabled: Bool {
+    return !UIAccessibilityIsReduceMotionEnabled()
+}
diff --git a/Classes/Utility/AlertAction.swift b/Classes/Utility/AlertAction.swift
index 6081c329..3fa792c6 100644
--- a/Classes/Utility/AlertAction.swift
+++ b/Classes/Utility/AlertAction.swift
@@ -41,7 +41,7 @@ struct AlertAction {
         return UIAlertAction(title: NSLocalizedString("Share", comment: ""), style: .default) { _ in
             let activityController = UIActivityViewController(activityItems: items, applicationActivities: activities)
             buildActivityBlock?(activityController)
-            self.rootViewController?.present(activityController, animated: true)
+            self.rootViewController?.present(activityController, animated: trueUnlessReduceMotionEnabled)
         }
     }
 
@@ -62,7 +62,7 @@ struct AlertAction {
         return UIAlertAction(title: Constants.Strings.newIssue, style: .default) { _ in
             let nav = UINavigationController(rootViewController: issueController)
             nav.modalPresentationStyle = .formSheet
-            self.rootViewController?.present(nav, animated: true)
+            self.rootViewController?.present(nav, animated: trueUnlessReduceMotionEnabled)
         }
     }
 
diff --git a/Classes/View Controllers/UIViewController+Alerts.swift b/Classes/View Controllers/UIViewController+Alerts.swift
index 2f5f1a73..bfdbd861 100644
--- a/Classes/View Controllers/UIViewController+Alerts.swift	
+++ b/Classes/View Controllers/UIViewController+Alerts.swift	
@@ -14,7 +14,7 @@ extension UIViewController {
 		let alert = UIAlertController.configured(title: title, message: message, preferredStyle: .alert)
         let action = UIAlertAction(title: Constants.Strings.ok, style: .default, handler: nil)
         alert.addAction(action)
-        present(alert, animated: true)
+        present(alert, animated: trueUnlessReduceMotionEnabled)
     }
 
 }
diff --git a/Classes/View Controllers/UIViewController+CancelAction.swift b/Classes/View Controllers/UIViewController+CancelAction.swift
index c92626b8..4fe2cb46 100644
--- a/Classes/View Controllers/UIViewController+CancelAction.swift	
+++ b/Classes/View Controllers/UIViewController+CancelAction.swift	
@@ -16,7 +16,7 @@ extension UIViewController {
         message: String
         ) {
         let dismissBlock = {
-            self.dismiss(animated: true)
+            self.dismiss(animated: trueUnlessReduceMotionEnabled)
         }
 
         // dismiss if all text entries are empty
@@ -31,7 +31,7 @@ extension UIViewController {
                     dismissBlock()
                 }
                 ])
-            present(alert, animated: true)
+            present(alert, animated: trueUnlessReduceMotionEnabled)
         }
     }
 
diff --git a/Classes/View Controllers/UIViewController+Safari.swift b/Classes/View Controllers/UIViewController+Safari.swift
index a33e3952..d3e98682 100644
--- a/Classes/View Controllers/UIViewController+Safari.swift	
+++ b/Classes/View Controllers/UIViewController+Safari.swift	
@@ -13,11 +13,11 @@ extension UIViewController {
 
     func presentSafari(url: URL) {
 		guard let safariViewController = try? SFSafariViewController.configured(with: url) else { return }
-		present(safariViewController, animated: true)
+		present(safariViewController, animated: trueUnlessReduceMotionEnabled)
     }
 
     func presentProfile(login: String) {
-        present(CreateProfileViewController(login: login), animated: true)
+        present(CreateProfileViewController(login: login), animated: trueUnlessReduceMotionEnabled)
     }
 
     func presentCommit(owner: String, repo: String, hash: String) {
diff --git a/Classes/Views/AttributedStringView.swift b/Classes/Views/AttributedStringView.swift
index 8fb66f5c..0cff4ad2 100644
--- a/Classes/Views/AttributedStringView.swift
+++ b/Classes/Views/AttributedStringView.swift
@@ -131,7 +131,7 @@ final class AttributedStringView: UIView {
             UIMenuItem(title: details, action: #selector(AttributedStringView.empty))
         ]
         menu.setTargetRect(CGRect(origin: point, size: CGSize(width: 1, height: 1)), in: self)
-        menu.setMenuVisible(true, animated: true)
+        menu.setMenuVisible(true, animated: trueUnlessReduceMotionEnabled)
     }
 
     @objc func empty() {}
diff --git a/Classes/Views/FeedRefresh.swift b/Classes/Views/FeedRefresh.swift
index fb29e6a2..ebcb0030 100644
--- a/Classes/Views/FeedRefresh.swift
+++ b/Classes/Views/FeedRefresh.swift
@@ -26,7 +26,7 @@ final class FeedRefresh {
         if let scrollView = refreshControl.superview as? UIScrollView {
             scrollView.setContentOffset(
                 CGPoint(x: 0, y: scrollView.contentOffset.y - refreshControl.bounds.height),
-                animated: true
+                animated: trueUnlessReduceMotionEnabled
             )
         }
         setRefreshing()
diff --git a/Classes/Views/IssueTextActionsView+Markdown.swift b/Classes/Views/IssueTextActionsView+Markdown.swift
index 8a17acc6..b0ec9ac8 100644
--- a/Classes/Views/IssueTextActionsView+Markdown.swift
+++ b/Classes/Views/IssueTextActionsView+Markdown.swift
@@ -23,7 +23,7 @@ extension IssueTextActionsView {
                 icon: UIImage(named: "bar-eye"),
                 operation: .execute({ [weak viewController] in
                 let controller = IssuePreviewViewController(markdown: getMarkdownBlock(), owner: owner, repo: repo)
-                viewController?.navigationController?.pushViewController(controller, animated: true)
+                viewController?.navigationController?.pushViewController(controller, animated: trueUnlessReduceMotionEnabled)
             }),
                 name: NSLocalizedString("Message Preview", comment: "The name of the action for previewing a message from the markdown actions bar")),
             IssueTextActionOperation(
diff --git a/Classes/Views/ShowMoreDetailsLabel.swift b/Classes/Views/ShowMoreDetailsLabel.swift
index 093f3562..b594e96c 100644
--- a/Classes/Views/ShowMoreDetailsLabel.swift
+++ b/Classes/Views/ShowMoreDetailsLabel.swift
@@ -45,7 +45,7 @@ final class ShowMoreDetailsLabel: UILabel {
             UIMenuItem(title: detailText, action: #selector(ShowMoreDetailsLabel.empty))
         ]
         menu.setTargetRect(bounds, in: self)
-        menu.setMenuVisible(true, animated: true)
+        menu.setMenuVisible(true, animated: trueUnlessReduceMotionEnabled)
     }
 
     @objc func empty() {}
diff --git a/Classes/Views/TextActionsController.swift b/Classes/Views/TextActionsController.swift
index 0ce85689..6f06ebcf 100644
--- a/Classes/Views/TextActionsController.swift
+++ b/Classes/Views/TextActionsController.swift
@@ -44,7 +44,7 @@ final class TextActionsController: NSObject,
         imagePicker.delegate = self
         imagePicker.modalPresentationStyle = .formSheet
 
-        viewController?.present(imagePicker, animated: true)
+        viewController?.present(imagePicker, animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: UIImagePickerControllerDelegate
@@ -55,11 +55,11 @@ final class TextActionsController: NSObject,
         let username = client?.sessionManager.focusedUserSession?.username ?? Constants.Strings.unknown
         guard let uploadController = ImageUploadTableViewController.create(image, username: username, delegate: self) else { return }
 
-        picker.pushViewController(uploadController, animated: true)
+        picker.pushViewController(uploadController, animated: trueUnlessReduceMotionEnabled)
     }
 
     func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
-        picker.dismiss(animated: true)
+        picker.dismiss(animated: trueUnlessReduceMotionEnabled)
     }
 
     // MARK: ImageUploadDelegate