Merge branch 'ios-release'

iOS/Article/ArticleViewController.swift

@@ -233,7 +233,6 @@ class ArticleViewController: UIViewController {
 		if AppDefaults.articleFullscreenEnabled {
 			currentWebViewController?.hideBars()
 		}
-		resetWebViewController()
 	}
 	
 	// MARK: Actions

iOS/Article/WebViewController.swift

@@ -301,8 +301,10 @@ extension WebViewController: UIContextMenuInteractionDelegate {
 extension WebViewController: WKNavigationDelegate {
 	
 	func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
-		while view.subviews.count > 1 {
-			view.subviews.last?.removeFromSuperview()
+		for (index, view) in view.subviews.enumerated() {
+			if index != 0, let oldWebView = view as? PreloadedWebView {
+				oldWebView.removeFromSuperview()
+			}
 		}
 	}