diff --git a/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Article+Database.swift b/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Article+Database.swift
index 30ac2bfd3..3807c29d1 100644
--- a/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Article+Database.swift
+++ b/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Article+Database.swift
@@ -136,7 +136,7 @@ extension Article {
 	}
 }
 
-extension Article: DatabaseObject {
+extension Article: @retroactive DatabaseObject {
 
 	public func databaseDictionary() -> DatabaseDictionary? {
 		var d = DatabaseDictionary()
diff --git a/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/ArticleStatus+Database.swift b/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/ArticleStatus+Database.swift
index 574ef5032..ff2d2fe29 100644
--- a/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/ArticleStatus+Database.swift
+++ b/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/ArticleStatus+Database.swift
@@ -22,7 +22,7 @@ extension ArticleStatus {
 	
 }
 
-extension ArticleStatus: DatabaseObject {
+extension ArticleStatus: @retroactive DatabaseObject {
 	
 	public var databaseID: String {
 		return articleID
diff --git a/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Author+Database.swift b/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Author+Database.swift
index d40f96fba..069642702 100644
--- a/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Author+Database.swift
+++ b/ArticlesDatabase/Sources/ArticlesDatabase/Extensions/Author+Database.swift
@@ -40,7 +40,7 @@ extension Author {
 	}
 }
 
-extension Author: DatabaseObject {
+extension Author: @retroactive DatabaseObject {
 
 	public var databaseID: String {
 		return authorID
diff --git a/Mac/MainWindow/Sidebar/PasteboardFolder.swift b/Mac/MainWindow/Sidebar/PasteboardFolder.swift
index 60c42154c..0ffd6c08b 100644
--- a/Mac/MainWindow/Sidebar/PasteboardFolder.swift
+++ b/Mac/MainWindow/Sidebar/PasteboardFolder.swift
@@ -84,7 +84,7 @@ struct PasteboardFolder: Hashable {
 	}
 }
 
-extension Folder: PasteboardWriterOwner {
+extension Folder: @retroactive PasteboardWriterOwner {
 
 	public var pasteboardWriter: NSPasteboardWriting {
 		return FolderPasteboardWriter(folder: self)
diff --git a/Mac/MainWindow/Sidebar/PasteboardWebFeed.swift b/Mac/MainWindow/Sidebar/PasteboardWebFeed.swift
index 31612ded9..f0c838c47 100644
--- a/Mac/MainWindow/Sidebar/PasteboardWebFeed.swift
+++ b/Mac/MainWindow/Sidebar/PasteboardWebFeed.swift
@@ -146,7 +146,7 @@ struct PasteboardWebFeed: Hashable {
 	}
 }
 
-extension WebFeed: PasteboardWriterOwner {
+extension WebFeed: @retroactive PasteboardWriterOwner {
 
 	public var pasteboardWriter: NSPasteboardWriting {
 		return WebFeedPasteboardWriter(webFeed: self)
diff --git a/Mac/MainWindow/Timeline/ArticlePasteboardWriter.swift b/Mac/MainWindow/Timeline/ArticlePasteboardWriter.swift
index 4dd5b80d5..29be01571 100644
--- a/Mac/MainWindow/Timeline/ArticlePasteboardWriter.swift
+++ b/Mac/MainWindow/Timeline/ArticlePasteboardWriter.swift
@@ -10,7 +10,7 @@ import AppKit
 import Articles
 import RSCore
 
-extension Article: PasteboardWriterOwner {
+extension Article: @retroactive PasteboardWriterOwner {
 	public var pasteboardWriter: NSPasteboardWriting {
 		return ArticlePasteboardWriter(article: self)
 	}
diff --git a/Mac/MainWindow/Timeline/Cell/TimelineCellAppearance.swift b/Mac/MainWindow/Timeline/Cell/TimelineCellAppearance.swift
index b288ff911..dbfdf045b 100644
--- a/Mac/MainWindow/Timeline/Cell/TimelineCellAppearance.swift
+++ b/Mac/MainWindow/Timeline/Cell/TimelineCellAppearance.swift
@@ -67,7 +67,7 @@ struct TimelineCellAppearance: Equatable {
 	}
 }
 
-extension NSEdgeInsets: Equatable {
+extension NSEdgeInsets: @retroactive Equatable {
 
 	public static func ==(lhs: NSEdgeInsets, rhs: NSEdgeInsets) -> Bool {
 		return lhs.left == rhs.left && lhs.top == rhs.top && lhs.right == rhs.right && lhs.bottom == rhs.bottom