diff --git a/Mac/MainWindow/NNW3/NNW3Document.swift b/Mac/MainWindow/NNW3/NNW3Document.swift
index f9bdcacc2..b90396c7b 100644
--- a/Mac/MainWindow/NNW3/NNW3Document.swift
+++ b/Mac/MainWindow/NNW3/NNW3Document.swift
@@ -66,7 +66,7 @@ private struct NNW3Folder {
 
 	private let title: String?
 	private let children: [OPMLRepresentable]?
-
+	
 	init(plist: [String: Any]) {
 		self.title = plist["name"] as? String
 		guard let childrenArray = plist["childrenArray"] as? [[String: Any]] else {
@@ -75,16 +75,20 @@ private struct NNW3Folder {
 		}
 		self.children = NNW3Folder.itemsWithPlist(plist: childrenArray)
 	}
-
+	
 	static func itemsWithPlist(plist: [[String: Any]]) -> [OPMLRepresentable]? {
 		// Also used by NNW3Document.
 		var items = [OPMLRepresentable]()
-		for child in plist {
+		plist.forEach { child in
 			if child["isContainer"] as? Bool ?? false {
 				items.append(NNW3Folder(plist: child))
-			} else {
-				items.append(NNW3Feed(plist: child))
+				return
 			}
+			if child["isScript"] as? Bool ?? false {
+				// Ignore script feeds.
+				return
+			}
+			items.append(NNW3Feed(plist: child))
 		}
 		return items.isEmpty ? nil : items
 	}
diff --git a/Mac/MainWindow/Sidebar/SidebarViewController.swift b/Mac/MainWindow/Sidebar/SidebarViewController.swift
index a14fe0dba..d388bf811 100644
--- a/Mac/MainWindow/Sidebar/SidebarViewController.swift
+++ b/Mac/MainWindow/Sidebar/SidebarViewController.swift
@@ -75,6 +75,10 @@ protocol SidebarDelegate: class {
 			}
 			row += 1
 		}
+
+		DispatchQueue.main.async {
+			self.outlineView.window?.makeFirstResponder(self.outlineView)
+		}
 	}
 
 	// MARK: - Notifications
diff --git a/Mac/MainWindow/Timeline/Cell/SingleLineTextFieldSizer.swift b/Mac/MainWindow/Timeline/Cell/SingleLineTextFieldSizer.swift
index ed18581e9..e40db7235 100644
--- a/Mac/MainWindow/Timeline/Cell/SingleLineTextFieldSizer.swift
+++ b/Mac/MainWindow/Timeline/Cell/SingleLineTextFieldSizer.swift
@@ -53,7 +53,7 @@ final class SingleLineTextFieldSizer {
 		//    that members of such a dictionary were mutated after insertion.
 		// We use just an array of sizers now — which is totally fine,
 		// because there’s only going to be like three of them.
-		if let cachedSizer = sizers.firstElementPassingTest({ $0.font == font }) {
+		if let cachedSizer = sizers.first(where: { $0.font == font }) {
 			return cachedSizer
 		}
 
diff --git a/submodules/RSCore b/submodules/RSCore
index 34e67f8b5..4a90ca588 160000
--- a/submodules/RSCore
+++ b/submodules/RSCore
@@ -1 +1 @@
-Subproject commit 34e67f8b5f566c29b60bbf6d31331334da0711fe
+Subproject commit 4a90ca5888047110ac8cb7083ca6a0b6cf4dcb9c