diff --git a/Signal/ConversationView/Components/CVComponentDateHeader.swift b/Signal/ConversationView/Components/CVComponentDateHeader.swift
index 9fe827e5a0..3df9e5002e 100644
--- a/Signal/ConversationView/Components/CVComponentDateHeader.swift
+++ b/Signal/ConversationView/Components/CVComponentDateHeader.swift
@@ -144,11 +144,15 @@ public class CVComponentDateHeader: CVComponentBase, CVRootComponent {
                     return contentView.rootView
                 }
 
+                let isStandaloneRenderItem = conversationStyle.isStandaloneRenderItem
+
                 // On iOS 26 always use `visual effect` content view for the sticky header.
                 if componentDelegate.isConversationPreview {
                     return buildVisualEffectContentView()
                 } else if hasWallpaper, #unavailable(iOS 26) {
                     return buildPlainContentView()
+                } else if isStandaloneRenderItem {
+                    return buildPlainContentView()
                 } else {
                     let plainContentView = buildPlainContentView()
                     let visualEffectContentView = buildVisualEffectContentView()
diff --git a/Signal/ConversationView/ConversationViewController+Banners.swift b/Signal/ConversationView/ConversationViewController+Banners.swift
index 70d9531803..04074c7412 100644
--- a/Signal/ConversationView/ConversationViewController+Banners.swift
+++ b/Signal/ConversationView/ConversationViewController+Banners.swift
@@ -127,7 +127,7 @@ extension ConversationViewController {
 
 private class ConversationBannerView: UIView {
     internal var contentView: UIView & UIContentView
-    private var blurBackgroundView: UIVisualEffectView?
+    var blurBackgroundView: UIVisualEffectView?
 
     public static func fadeInAnimator() -> UIViewPropertyAnimator {
         return UIViewPropertyAnimator(
@@ -1111,8 +1111,9 @@ internal extension ConversationViewController {
         )
 
         let banner = ConversationBannerView(configuration: bannerConfiguration)
+
         let longPressInteraction = UIContextMenuInteraction(delegate: self)
-        banner.addInteraction(longPressInteraction)
+        banner.blurBackgroundView?.addInteraction(longPressInteraction)
 
         // Set up interaction delegate for pin icon menu
         banner.pinnedMessageDelegate = self
diff --git a/Signal/ConversationView/ConversationViewController+MessageActionsDelegate.swift b/Signal/ConversationView/ConversationViewController+MessageActionsDelegate.swift
index 6081da9374..be9e0e987b 100644
--- a/Signal/ConversationView/ConversationViewController+MessageActionsDelegate.swift
+++ b/Signal/ConversationView/ConversationViewController+MessageActionsDelegate.swift
@@ -484,6 +484,30 @@ extension ConversationViewController: MessageActionsDelegate {
         }
     }
 
+    public func handleActionUnpinAsync(message: TSMessage) async {
+        let pinnedMessageManager = DependenciesBridge.shared.pinnedMessageManager
+        let db = DependenciesBridge.shared.db
+
+        let unpinMessage = db.write { tx in
+            pinnedMessageManager.getOutgoingUnpinMessage(
+                interaction: message,
+                thread: thread,
+                expiresAt: nil,
+                tx: tx
+            )
+        }
+        guard let unpinMessage else {
+            return
+        }
+
+        await queuePinMessageChangeWithModal(
+            message: message,
+            pinMessage: unpinMessage,
+            completion: nil
+        )
+    }
+
+
     func messageActionsChangePinStatus(_ itemViewModel: CVItemViewModelImpl, pin: Bool) {
         guard let message = itemViewModel.renderItem.interaction as? TSMessage else {
             return
diff --git a/Signal/ConversationView/ConversationViewController+PinnedMessages.swift b/Signal/ConversationView/ConversationViewController+PinnedMessages.swift
index c92998b10f..12b8d1578d 100644
--- a/Signal/ConversationView/ConversationViewController+PinnedMessages.swift
+++ b/Signal/ConversationView/ConversationViewController+PinnedMessages.swift
@@ -18,6 +18,9 @@ protocol PinnedMessageInteractionManagerDelegate: AnyObject {
 
     /// Presents the "see all messages" details view.
     func presentSeeAllMessages()
+
+    /// Unpins all messages
+    func unpinAllMessages()
 }
 
 public struct PinnedMessageBannerData {
@@ -355,4 +358,18 @@ extension ConversationViewController: PinnedMessageInteractionManagerDelegate {
         pmDetailsController.modalPresentationStyle = .pageSheet
         present(pmDetailsController, animated: true)
     }
+
+    func unpinAllMessages() {
+        Task {
+            for message in threadViewModel.pinnedMessages {
+                await handleActionUnpinAsync(message: message)
+            }
+            presentToast(
+               text: OWSLocalizedString(
+                   "PINNED_MESSAGE_TOAST",
+                   comment: "Text to show on a toast when someone unpins a message"
+               )
+           )
+        }
+    }
 }
diff --git a/Signal/src/ViewControllers/PinnedMessages/PinnedMessagesDetailsViewController.swift b/Signal/src/ViewControllers/PinnedMessages/PinnedMessagesDetailsViewController.swift
index 07bd150826..4e872dc186 100644
--- a/Signal/src/ViewControllers/PinnedMessages/PinnedMessagesDetailsViewController.swift
+++ b/Signal/src/ViewControllers/PinnedMessages/PinnedMessagesDetailsViewController.swift
@@ -57,6 +57,7 @@ class PinnedMessagesDetailsViewController: OWSViewController, DatabaseChangeDele
         titleStackView.spacing = 4
 
         navigationItem.titleView = titleStackView
+        navigationItem.rightBarButtonItem = .doneButton(dismissingFrom: self)
     }
 
     private func layoutPinnedMessages(tx: DBReadTransaction) {
@@ -112,7 +113,8 @@ class PinnedMessagesDetailsViewController: OWSViewController, DatabaseChangeDele
 
         scrollView.autoPinEdgesToSuperviewEdges()
         paddedContainerView.autoPinEdgesToSuperviewEdges()
-        stack.autoPinEdgesToSuperviewEdges(with: UIEdgeInsets(top: 16, left: 16, bottom: 16, right: 16))
+
+        stack.autoPinEdgesToSuperviewEdges(with: UIEdgeInsets(top: 16, left: 16, bottom: 64, right: 16))
         paddedContainerView.autoMatch(.width, to: .width, of: scrollView)
 
     }
@@ -134,6 +136,23 @@ class PinnedMessagesDetailsViewController: OWSViewController, DatabaseChangeDele
         db.read { tx in
             layoutPinnedMessages(tx: tx)
         }
+
+        let unpinAllButton = UIButton(
+            configuration: .largeSecondary(title: OWSLocalizedString(
+                "PINNED_MESSAGES_UNPIN_ALL",
+                comment: "Title for a button to unpin all pinned messages."
+            )),
+            primaryAction: UIAction { [weak self] _ in
+                self?.dismiss(animated: true)
+                self?.delegate?.unpinAllMessages()
+            },
+        )
+        view.addSubview(unpinAllButton)
+        unpinAllButton.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            unpinAllButton.bottomAnchor.constraint(equalTo: contentLayoutGuide.bottomAnchor),
+            unpinAllButton.centerXAnchor.constraint(equalTo: contentLayoutGuide.centerXAnchor),
+        ])
     }
 
     private func buildButtonAndCellStack(renderItem: CVRenderItem, message: TSMessage, reversedIndex: Int) -> UIStackView {
@@ -192,7 +211,8 @@ class PinnedMessagesDetailsViewController: OWSViewController, DatabaseChangeDele
             chatColor: DependenciesBridge.shared.chatColorSettingStore.resolvedChatColor(
                 for: threadViewModel.threadRecord,
                 tx: tx
-            )
+            ),
+            isStandaloneRenderItem: true
         )
 
         return CVLoader.buildStandaloneRenderItem(
@@ -521,7 +541,7 @@ extension PinnedMessagesDetailsViewController: CVComponentDelegate {
         return {}
     }
 
-    var isConversationPreview: Bool { true }
+    var isConversationPreview: Bool { false }
 
     var wallpaperBlurProvider: WallpaperBlurProvider? { nil }
 
diff --git a/Signal/translations/en.lproj/Localizable.strings b/Signal/translations/en.lproj/Localizable.strings
index 73dc39bf09..12d1aa51e9 100644
--- a/Signal/translations/en.lproj/Localizable.strings
+++ b/Signal/translations/en.lproj/Localizable.strings
@@ -6616,6 +6616,9 @@
 /* Action menu item to unpin a message */
 "PINNED_MESSAGES_UNPIN" = "Unpin";
 
+/* Title for a button to unpin all pinned messages. */
+"PINNED_MESSAGES_UNPIN_ALL" = "Unpin All";
+
 /* The title for pinned conversation section on the conversation list */
 "PINNED_SECTION_TITLE" = "Pinned";
 
diff --git a/SignalUI/Appearance/ConversationStyle.swift b/SignalUI/Appearance/ConversationStyle.swift
index c822c4231e..ee2dee8395 100644
--- a/SignalUI/Appearance/ConversationStyle.swift
+++ b/SignalUI/Appearance/ConversationStyle.swift
@@ -38,6 +38,8 @@ public struct ConversationStyle {
 
     public let isWallpaperPhoto: Bool
 
+    public let isStandaloneRenderItem: Bool
+
     private let dynamicBodyTypePointSize: CGFloat
     private let primaryTextColor: UIColor
 
@@ -109,7 +111,8 @@ public struct ConversationStyle {
         viewWidth: CGFloat,
         hasWallpaper: Bool,
         isWallpaperPhoto: Bool,
-        chatColor: ColorOrGradientSetting
+        chatColor: ColorOrGradientSetting,
+        isStandaloneRenderItem: Bool = false
     ) {
         self.type = type
         self.viewWidth = viewWidth
@@ -169,6 +172,8 @@ public struct ConversationStyle {
 
         let kMaxAudioMessageWidth: CGFloat = 244
         maxAudioMessageWidth = floor(min(maxMessageWidth, kMaxAudioMessageWidth))
+
+        self.isStandaloneRenderItem = isStandaloneRenderItem
     }
 
     // MARK: Colors