High Sierra as documented minimum version, fix #28

Package.swift

@@ -5,7 +5,7 @@ import PackageDescription
 let package = Package(
     name: "Multi",
     platforms: [
-        .macOS(.v10_11),
+        .macOS(.v10_13),
     ],
     products: [
         .executable(name: "Preferences", targets: ["Preferences"]),

README.md

@@ -13,7 +13,7 @@ Watch me create a Slack clone from scratch in 30 seconds (click the GIF for a hi
 
  - Create apps from a UI or the command line
  - Configure settings with JSON
- - Built-in ad-blocker, provided by <https://better.fyi> (macOS 10.13+)
+ - Built-in ad-blocker, provided by <https://better.fyi>
  - View one tab at a time or all at once with side-by-side view
  - Inject custom CSS and JS to any site
  - Native bridges for Web APIs
@@ -23,16 +23,16 @@ Watch me create a Slack clone from scratch in 30 seconds (click the GIF for a hi
      - `window.prompt`
      - `<input type="file">`
 
+
 ## Installation
 
 Download the latest `.dmg` file from the [releases](https://github.com/kofigumbs/multi/releases) page.
 
-> **Note:** Multi 2.0.0 is a complete rewrite and works differently from previous versions.
-> Any older Multi apps on your computer will continue but will lack the new features listed above.
-
 > **Note:** Multi is not notarized, so you'll need to allow it to run via your "Security & Privacy" system preferences.
 > See [Licensing](#licensing) for more about sponsoring Multi's development.
 
+> **Note:** If you are on macOS 10.13 High Sierra (the minimum supported version), you'll also need to install [the Swift runtime from Apple](https://download.developer.apple.com/Developer_Tools/Swift_5_Runtime_Support_for_Command_Line_Tools/Swift_5_Runtime_Support_for_Command_Line_Tools.dmg).
+
 
 ## JSON configuration
 

Sources/Runtime/Browser+WKUIDelegate.swift

@@ -33,7 +33,6 @@ extension Browser: WKUIDelegate {
         alert.window.makeFirstResponder(textField)
     }
 
-    @available(macOS 10.12, *)
     func webView(_ webView: WKWebView, runOpenPanelWith: WKOpenPanelParameters, initiatedByFrame: WKFrameInfo, completionHandler: @escaping ([URL]?) -> Void) {
         let openPanel = NSOpenPanel()
         if #available(macOS 10.13.4, *) {

Sources/Runtime/Tab.swift

@@ -9,10 +9,8 @@ class Tab: NSObject {
         Browser.global.notification(configuration)
         Browser.global.customCss(configuration, urls: customCss)
         Browser.global.customJs(configuration, urls: customJs)
-        if #available(macOS 10.13, *) {
-            WKContentRuleListStore.default().compileContentRuleList(forIdentifier: "blocklist", encodedContentRuleList: Browser.blocklist) { (rules, error) in
-                rules.map { configuration.userContentController.add($0) }
-            }
+        WKContentRuleListStore.default().compileContentRuleList(forIdentifier: "blocklist", encodedContentRuleList: Browser.blocklist) { (rules, error) in
+            rules.map { configuration.userContentController.add($0) }
         }
 
         self.title = title
@@ -23,10 +21,7 @@ class Tab: NSObject {
         webView.allowsBackForwardNavigationGestures = true
         webView.uiDelegate = Browser.global
         webView.navigationDelegate = Browser.global
-        if #available(macOS 10.13, *) {
-            webView.customUserAgent = Browser.userAgent
-        }
-
+        webView.customUserAgent = Browser.userAgent
         webView.load(URLRequest(url: url))
     }
 

Sources/Shared/Program.swift

@@ -44,10 +44,6 @@ public class Program: NSObject {
             Program.addSubmenu(NSMenu(title: name), submenu)
         }
 
-        if #available(macOS 10.12, *) {
-            NSWindow.allowsAutomaticWindowTabbing = false
-        }
-
         _ = NSApplication.shared
         NSApp.delegate = self
         NSApp.setActivationPolicy(.regular)

Sources/Shared/Script.swift

@@ -34,12 +34,7 @@ extension Script {
 
     private static func execute(_ process: Process) {
         let url = URL(fileURLWithPath: "/usr/bin/env")
-        if #available(macOS 10.13, *) {
-            process.executableURL = url
-            try! process.run()
-        } else {
-            process.launchPath = url.path
-            process.launch()
-        }
+        process.executableURL = url
+        try! process.run()
     }
 }