diff --git a/Mlem.xcodeproj/project.pbxproj b/Mlem.xcodeproj/project.pbxproj
index 62e438af9..7b892fee4 100644
--- a/Mlem.xcodeproj/project.pbxproj
+++ b/Mlem.xcodeproj/project.pbxproj
@@ -42,10 +42,10 @@
 		503422582AAB798600EFE88D /* AppFlow.swift in Sources */ = {isa = PBXBuildFile; fileRef = 503422572AAB798600EFE88D /* AppFlow.swift */; };
 		503BA26F2A2C94540052516C /* URL+Identifiable.swift in Sources */ = {isa = PBXBuildFile; fileRef = 503BA26E2A2C94540052516C /* URL+Identifiable.swift */; };
 		504106CD2A744D7F000AAEF8 /* CommentRepository+Dependency.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504106CC2A744D7F000AAEF8 /* CommentRepository+Dependency.swift */; };
-		504ECBAE2AB45B2A006C0B96 /* LemmyURL.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504ECBAD2AB45B2A006C0B96 /* LemmyURL.swift */; };
-		504ECBB12AB4B101006C0B96 /* LemmyURLTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504ECBB02AB4B101006C0B96 /* LemmyURLTests.swift */; };
 		504ECBAA2AB27C73006C0B96 /* LandingPage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504ECBA92AB27C73006C0B96 /* LandingPage.swift */; };
 		504ECBAC2AB27CB1006C0B96 /* OnboardingRoute.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504ECBAB2AB27CB1006C0B96 /* OnboardingRoute.swift */; };
+		504ECBAE2AB45B2A006C0B96 /* LemmyURL.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504ECBAD2AB45B2A006C0B96 /* LemmyURL.swift */; };
+		504ECBB12AB4B101006C0B96 /* LemmyURLTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 504ECBB02AB4B101006C0B96 /* LemmyURLTests.swift */; };
 		505240E32A86916500EA4558 /* FavoriteCommunitiesTracker+Dependency.swift in Sources */ = {isa = PBXBuildFile; fileRef = 505240E22A86916500EA4558 /* FavoriteCommunitiesTracker+Dependency.swift */; };
 		505240E52A86E32700EA4558 /* CommunityListModel.swift in Sources */ = {isa = PBXBuildFile; fileRef = 505240E42A86E32700EA4558 /* CommunityListModel.swift */; };
 		505240E72A88D36D00EA4558 /* SectionIndexTitles.swift in Sources */ = {isa = PBXBuildFile; fileRef = 505240E62A88D36D00EA4558 /* SectionIndexTitles.swift */; };
@@ -434,6 +434,7 @@
 		E4D4DBA22A7F233200C4F3DE /* FancyTabNavigationSelectionHashValueEnvironmentKey.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4D4DBA12A7F233200C4F3DE /* FancyTabNavigationSelectionHashValueEnvironmentKey.swift */; };
 		E4DDB4322A81819300B3A7E0 /* Double.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4DDB4312A81819300B3A7E0 /* Double.swift */; };
 		E4DDB4342A819C8000B3A7E0 /* QuickLookView.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4DDB4332A819C8000B3A7E0 /* QuickLookView.swift */; };
+		E4F0B56F2ABD00A000BC3E4A /* PresentationBackgroundInteraction.swift in Sources */ = {isa = PBXBuildFile; fileRef = E4F0B56E2ABD00A000BC3E4A /* PresentationBackgroundInteraction.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXContainerItemProxy section */
@@ -489,10 +490,10 @@
 		503422572AAB798600EFE88D /* AppFlow.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppFlow.swift; sourceTree = "<group>"; };
 		503BA26E2A2C94540052516C /* URL+Identifiable.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "URL+Identifiable.swift"; sourceTree = "<group>"; };
 		504106CC2A744D7F000AAEF8 /* CommentRepository+Dependency.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = "CommentRepository+Dependency.swift"; sourceTree = "<group>"; };
-		504ECBAD2AB45B2A006C0B96 /* LemmyURL.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LemmyURL.swift; sourceTree = "<group>"; };
-		504ECBB02AB4B101006C0B96 /* LemmyURLTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LemmyURLTests.swift; sourceTree = "<group>"; };
 		504ECBA92AB27C73006C0B96 /* LandingPage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LandingPage.swift; sourceTree = "<group>"; };
 		504ECBAB2AB27CB1006C0B96 /* OnboardingRoute.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OnboardingRoute.swift; sourceTree = "<group>"; };
+		504ECBAD2AB45B2A006C0B96 /* LemmyURL.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LemmyURL.swift; sourceTree = "<group>"; };
+		504ECBB02AB4B101006C0B96 /* LemmyURLTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = LemmyURLTests.swift; sourceTree = "<group>"; };
 		505240E22A86916500EA4558 /* FavoriteCommunitiesTracker+Dependency.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "FavoriteCommunitiesTracker+Dependency.swift"; sourceTree = "<group>"; };
 		505240E42A86E32700EA4558 /* CommunityListModel.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CommunityListModel.swift; sourceTree = "<group>"; };
 		505240E62A88D36D00EA4558 /* SectionIndexTitles.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SectionIndexTitles.swift; sourceTree = "<group>"; };
@@ -879,6 +880,7 @@
 		E4D4DBA12A7F233200C4F3DE /* FancyTabNavigationSelectionHashValueEnvironmentKey.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FancyTabNavigationSelectionHashValueEnvironmentKey.swift; sourceTree = "<group>"; };
 		E4DDB4312A81819300B3A7E0 /* Double.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = Double.swift; sourceTree = "<group>"; };
 		E4DDB4332A819C8000B3A7E0 /* QuickLookView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QuickLookView.swift; sourceTree = "<group>"; };
+		E4F0B56E2ABD00A000BC3E4A /* PresentationBackgroundInteraction.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PresentationBackgroundInteraction.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -1074,14 +1076,6 @@
 			path = TabBar;
 			sourceTree = "<group>";
 		};
-		504ECBAF2AB4B0DF006C0B96 /* Model */ = {
-			isa = PBXGroup;
-			children = (
-				504ECBB02AB4B101006C0B96 /* LemmyURLTests.swift */,
-			);
-			path = Model;
-			sourceTree = "<group>";
-		};
 		504ECBA82AB27C4C006C0B96 /* Onboarding */ = {
 			isa = PBXGroup;
 			children = (
@@ -1092,6 +1086,14 @@
 			path = Onboarding;
 			sourceTree = "<group>";
 		};
+		504ECBAF2AB4B0DF006C0B96 /* Model */ = {
+			isa = PBXGroup;
+			children = (
+				504ECBB02AB4B101006C0B96 /* LemmyURLTests.swift */,
+			);
+			path = Model;
+			sourceTree = "<group>";
+		};
 		5064D03B2A6DE05000B22EE3 /* Notifications */ = {
 			isa = PBXGroup;
 			children = (
@@ -1357,6 +1359,7 @@
 				508845CE2A3641160088E483 /* JSONDecoder+Default.swift */,
 				B1A26FE02A44AAB200B91A32 /* Navigation getter.swift */,
 				B104A6DF2A59C19400B3E725 /* OperationQueue - Easy init.swift */,
+				E4F0B56E2ABD00A000BC3E4A /* PresentationBackgroundInteraction.swift */,
 				6386E0392A0455BC006B3C1D /* String - Contains Elements From Array.swift */,
 				630737882A1CD1E900039852 /* String.swift */,
 				5064D0402A6E63E000B22EE3 /* Task+Notifiable.swift */,
@@ -2627,6 +2630,7 @@
 				505240E72A88D36D00EA4558 /* SectionIndexTitles.swift in Sources */,
 				5064D0452A71549C00B22EE3 /* NotificationMessage.swift in Sources */,
 				63344C4D2A07ABEE001BC616 /* Community.swift in Sources */,
+				E4F0B56F2ABD00A000BC3E4A /* PresentationBackgroundInteraction.swift in Sources */,
 				CDF842612A49EA3900723DA0 /* Mentions Tracker.swift in Sources */,
 				6D693A4C2A51B99E009E2D76 /* APICommentReport.swift in Sources */,
 				63344C672A08D4E3001BC616 /* AppearanceSettingsView.swift in Sources */,
diff --git a/Mlem/ContentView.swift b/Mlem/ContentView.swift
index 63061076e..2c7b5c432 100644
--- a/Mlem/ContentView.swift
+++ b/Mlem/ContentView.swift
@@ -119,11 +119,15 @@ struct ContentView: View {
             NavigationStack {
                 ResponseEditorView(concreteEditorModel: editing)
             }
+            .presentationDetents([.medium, .large])
+            ._presentationBackgroundInteraction(enabledUpThrough: .medium)
         }
         .sheet(item: $editorTracker.editPost) { editing in
             NavigationStack {
                 PostComposerView(editModel: editing)
             }
+            .presentationDetents([.medium, .large])
+            ._presentationBackgroundInteraction(enabledUpThrough: .medium)
         }
         .environment(\.openURL, OpenURLAction(handler: didReceiveURL))
         .environmentObject(editorTracker)
diff --git a/Mlem/Extensions/PresentationBackgroundInteraction.swift b/Mlem/Extensions/PresentationBackgroundInteraction.swift
new file mode 100644
index 000000000..66bc5e125
--- /dev/null
+++ b/Mlem/Extensions/PresentationBackgroundInteraction.swift
@@ -0,0 +1,20 @@
+//
+//  PresentationBackgroundInteraction.swift
+//  Mlem
+//
+//  Created by Bosco Ho on 2023-09-21.
+//
+
+import SwiftUI
+
+extension View {
+    
+    /// No-op prior to iOS 16.4.
+    func _presentationBackgroundInteraction(enabledUpThrough detent: PresentationDetent) -> some View {
+        if #available(iOS 16.4, *) {
+            return self.presentationBackgroundInteraction(.enabled(upThrough: detent))
+        } else {
+            return self
+        }
+    }
+}
diff --git a/Mlem/Views/Shared/Composer/PostComposerView.swift b/Mlem/Views/Shared/Composer/PostComposerView.swift
index 363f70a04..1ae1f647f 100644
--- a/Mlem/Views/Shared/Composer/PostComposerView.swift
+++ b/Mlem/Views/Shared/Composer/PostComposerView.swift
@@ -22,6 +22,10 @@ struct PostComposerView: View {
     @State var postBody: String
     @State var isNSFW: Bool
     
+    private var hasPostContent: Bool {
+        !postTitle.isEmpty || !postURL.isEmpty || !postBody.isEmpty
+    }
+    
     init(editModel: PostEditorModel) {
         self.postTracker = editModel.postTracker
         self.editModel = editModel
@@ -67,6 +71,7 @@ struct PostComposerView: View {
             
             dismiss()
         }
+        .interactiveDismissDisabled(hasPostContent)
     }
 }
 
diff --git a/Mlem/Views/Shared/Composer/ResponseEditorView.swift b/Mlem/Views/Shared/Composer/ResponseEditorView.swift
index e5e2217ae..6967dce33 100644
--- a/Mlem/Views/Shared/Composer/ResponseEditorView.swift
+++ b/Mlem/Views/Shared/Composer/ResponseEditorView.swift
@@ -100,6 +100,7 @@ struct ResponseEditorView: View {
         .navigationBarColor()
         .navigationTitle(editorModel.modalName)
         .navigationBarTitleDisplayMode(.inline)
+        .interactiveDismissDisabled(isReadyToReply)
     }
     
     @MainActor