Merge pull request beeware#2228 from HalfWhitt/macos-version-req-update

Updated macOS minimum version to 11, matching Briefcase

README.rst

@@ -36,7 +36,7 @@ Minimum requirements
 
 * Toga requires **Python 3.8 or higher**. Python 2 is not supported.
 
-* If you're on macOS, you need to be on 10.10 (Yosemite) or newer.
+* If you're on macOS, you need to be on 11 (Big Sur) or newer.
 
 * If you're on Windows, you'll need Windows 10 or newer. If you are using
   Windows 10 and want to use a WebView to display web content, you will also

changes/2228.removal.rst

@@ -0,0 +1 @@
+Support for macOS release prior to Big Sur (11) has been dropped.

cocoa/src/toga_cocoa/libs/appkit.py

@@ -56,29 +56,21 @@ class NSAlertStyle(Enum):
     appkit, "NSApplicationDidUnhideNotification"
 )
 
-# NSAboutPanelOption* keys are available only 10.13+
-try:
-    NSAboutPanelOptionApplicationIcon = NSString(
-        c_void_p.in_dll(appkit, "NSAboutPanelOptionApplicationIcon")
-    )
-    NSAboutPanelOptionApplicationName = NSString(
-        c_void_p.in_dll(appkit, "NSAboutPanelOptionApplicationName")
-    )
-    NSAboutPanelOptionApplicationVersion = NSString(
-        c_void_p.in_dll(appkit, "NSAboutPanelOptionApplicationVersion")
-    )
-    NSAboutPanelOptionCredits = NSString(
-        c_void_p.in_dll(appkit, "NSAboutPanelOptionCredits")
-    )
-    NSAboutPanelOptionVersion = NSString(
-        c_void_p.in_dll(appkit, "NSAboutPanelOptionVersion")
-    )
-except ValueError:  # pragma: no cover
-    NSAboutPanelOptionApplicationIcon = None
-    NSAboutPanelOptionApplicationName = None
-    NSAboutPanelOptionApplicationVersion = None
-    NSAboutPanelOptionCredits = None
-    NSAboutPanelOptionVersion = None
+NSAboutPanelOptionApplicationIcon = NSString(
+    c_void_p.in_dll(appkit, "NSAboutPanelOptionApplicationIcon")
+)
+NSAboutPanelOptionApplicationName = NSString(
+    c_void_p.in_dll(appkit, "NSAboutPanelOptionApplicationName")
+)
+NSAboutPanelOptionApplicationVersion = NSString(
+    c_void_p.in_dll(appkit, "NSAboutPanelOptionApplicationVersion")
+)
+NSAboutPanelOptionCredits = NSString(
+    c_void_p.in_dll(appkit, "NSAboutPanelOptionCredits")
+)
+NSAboutPanelOptionVersion = NSString(
+    c_void_p.in_dll(appkit, "NSAboutPanelOptionVersion")
+)
 
 ######################################################################
 # NSAttributedString.h
@@ -98,9 +90,7 @@ class NSAlertStyle(Enum):
 NSStrokeWidthAttributeName = objc_const(appkit, "NSStrokeWidthAttributeName")
 NSShadowAttributeName = objc_const(appkit, "NSShadowAttributeName")
 
-# NSTextEffectAttributeName is supported in OS 10.10+
-# goes against minimum requirements: current support is for OS 10.7+
-# NSTextEffectAttributeName = objc_const(appkit, "NSTextEffectAttributeName")
+NSTextEffectAttributeName = objc_const(appkit, "NSTextEffectAttributeName")
 
 NSAttachmentAttributeName = objc_const(appkit, "NSAttachmentAttributeName")
 NSLinkAttributeName = objc_const(appkit, "NSLinkAttributeName")

docs/reference/platforms/macOS.rst

@@ -12,7 +12,7 @@ The Toga backend for macOS is `toga-cocoa
 Prerequisites
 -------------
 
-``toga-cocoa`` requires macOS 10.10 (Yosemite) or newer.
+``toga-cocoa`` requires macOS 11 (Big Sur) or newer.
 
 Installation
 ------------

docs/spelling_wordlist

@@ -67,6 +67,7 @@ subclasses
 Subclasses
 substring
 substrings
+Sur
 testbed
 Todo
 toolbar