diff --git a/Mac/BuildScript/backport_gh110950_fix.patch b/Mac/BuildScript/backport_gh110950_fix.patch
new file mode 100644
index 00000000000000..793f5a78d8c6ab
--- /dev/null
+++ b/Mac/BuildScript/backport_gh110950_fix.patch
@@ -0,0 +1,25 @@
+From https://core.tcl-lang.org/tk/info/ed7cfbac8db11aa0
+
+Note: the diff here is hand-tweaked so that it applies cleanly to both Tk 8.6.8 and 8.6.13.
+
+diff --git a/macosx/tkMacOSXInit.c b/macosx/tkMacOSXInit.c
+index 71d7c3385..e6a68356c 100644
+--- a/macosx/tkMacOSXInit.c
++++ b/macosx/tkMacOSXInit.c
+@@ -128,6 +128,16 @@ static int		TkMacOSXGetAppPathCmd(ClientData cd, Tcl_Interp *ip,
+     observe(NSApplicationDidChangeScreenParametersNotification, displayChanged:);
+     observe(NSTextInputContextKeyboardSelectionDidChangeNotification, keyboardChanged:);
+ #undef observe
++}
++
++
++/*
++ * Fix for 10b38a7a7c.
++ */
++
++- (BOOL)applicationSupportsSecureRestorableState:(NSApplication *)app
++{
++    return YES;
+ }
+ 
+ -(void)applicationWillFinishLaunching:(NSNotification *)aNotification
diff --git a/Mac/BuildScript/backport_gh71383_fix.patch b/Mac/BuildScript/backport_gh71383_fix.patch
new file mode 100644
index 00000000000000..d77b1045e8c165
--- /dev/null
+++ b/Mac/BuildScript/backport_gh71383_fix.patch
@@ -0,0 +1,89 @@
+Adapted from https://core.tcl-lang.org/tk/info/b1876b9ebc4b
+
+Index: generic/tkInt.h
+==================================================================
+--- a/generic/tkInt.h.orig
++++ b/generic/tkInt.h
+@@ -1094,10 +1094,11 @@
+ /*
+  * Themed widget set init function:
+  */
+ 
+ MODULE_SCOPE int	Ttk_Init(Tcl_Interp *interp);
++MODULE_SCOPE void	Ttk_TkDestroyedHandler(Tcl_Interp *interp);
+ 
+ /*
+  * Internal functions shared among Tk modules but not exported to the outside
+  * world:
+  */
+
+Index: generic/tkWindow.c
+==================================================================
+--- a/generic/tkWindow.c.orig
++++ b/generic/tkWindow.c
+@@ -1619,10 +1619,11 @@
+ 	    TkBindFree(winPtr->mainPtr);
+ 	    TkDeleteAllImages(winPtr->mainPtr);
+ 	    TkFontPkgFree(winPtr->mainPtr);
+ 	    TkFocusFree(winPtr->mainPtr);
+ 	    TkStylePkgFree(winPtr->mainPtr);
++	    Ttk_TkDestroyedHandler(winPtr->mainPtr->interp);
+ 
+ 	    /*
+ 	     * When embedding Tk into other applications, make sure that all
+ 	     * destroy events reach the server. Otherwise the embedding
+ 	     * application may also attempt to destroy the windows, resulting
+
+Index: generic/ttk/ttkTheme.c
+==================================================================
+--- a/generic/ttk/ttkTheme.c.orig
++++ b/generic/ttk/ttkTheme.c
+@@ -415,17 +415,10 @@
+     StylePackageData *pkgPtr = (StylePackageData *)clientData;
+     Tcl_HashSearch search;
+     Tcl_HashEntry *entryPtr;
+     Cleanup *cleanup;
+ 
+-    /*
+-     * Cancel any pending ThemeChanged calls:
+-     */
+-    if (pkgPtr->themeChangePending) {
+-	Tcl_CancelIdleCall(ThemeChangedProc, pkgPtr);
+-    }
+-
+     /*
+      * Free themes.
+      */
+     entryPtr = Tcl_FirstHashEntry(&pkgPtr->themeTable, &search);
+     while (entryPtr != NULL) {
+@@ -528,10 +521,29 @@
+     if (!pkgPtr->themeChangePending) {
+ 	Tcl_DoWhenIdle(ThemeChangedProc, pkgPtr);
+ 	pkgPtr->themeChangePending = 1;
+     }
+ }
++
++/* Ttk_TkDestroyedHandler --
++ *	See bug [310c74ecf440]: idle calls to ThemeChangedProc()
++ *	need to be canceled when Tk is destroyed, since the interp
++ *	may still be active afterward; canceling them from
++ *	Ttk_StylePkgFree() would be too late.
++ */
++void Ttk_TkDestroyedHandler(
++    Tcl_Interp* interp)
++{
++    StylePackageData* pkgPtr = GetStylePackageData(interp);
++
++    /*
++     * Cancel any pending ThemeChanged calls:
++     */
++    if (pkgPtr->themeChangePending) {
++	Tcl_CancelIdleCall(ThemeChangedProc, pkgPtr);
++    }
++}
+ 
+ /*
+  * Ttk_CreateTheme --
+  *	Create a new theme and register it in the global theme table.
+  *
+
diff --git a/Mac/BuildScript/backport_gh92603_fix.patch b/Mac/BuildScript/backport_gh92603_fix.patch
new file mode 100644
index 00000000000000..9a37b029650340
--- /dev/null
+++ b/Mac/BuildScript/backport_gh92603_fix.patch
@@ -0,0 +1,82 @@
+Accepted upstream for release in Tk 8.6.14:
+https://core.tcl-lang.org/tk/info/cf3830280b
+
+--- tk8.6.13/macosx/tkMacOSXWindowEvent.c.orig
++++ tk8.6.13-patched/macosx/tkMacOSXWindowEvent.c
+@@ -239,8 +239,8 @@ extern NSString *NSWindowDidOrderOffScreenNotification;
+     if (winPtr) {
+ 	TKContentView *view = [window contentView];
+ 
+-#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101500
+-	if (@available(macOS 10.15, *)) {
++#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
++	if (@available(macOS 10.14, *)) {
+ 	    [view viewDidChangeEffectiveAppearance];
+ 	}
+ #endif
+@@ -1237,29 +1237,8 @@ static const char *const accentNames[] = {
+     } else if (effectiveAppearanceName == NSAppearanceNameDarkAqua) {
+ 	TkSendVirtualEvent(tkwin, "DarkAqua", NULL);
+     }
+-    if ([NSApp macOSVersion] < 101500) {
+-
+-	/*
+-	 * Mojave cannot handle the KVO shenanigans that we need for the
+-	 * highlight and accent color notifications.
+-	 */
+-
+-	return;
+-    }
+     if (!defaultColor) {
+ 	defaultColor = [NSApp macOSVersion] < 110000 ? "Blue" : "Multicolor";
+-	preferences = [[NSUserDefaults standardUserDefaults] retain];
+-
+-	/*
+-	 * AppKit calls this method when the user changes the Accent Color
+-	 * but not when the user changes the Highlight Color.  So we register
+-	 * to receive KVO notifications for Highlight Color as well.
+-	 */
+-
+-	[preferences addObserver:self
+-		      forKeyPath:@"AppleHighlightColor"
+-			 options:NSKeyValueObservingOptionNew
+-			 context:NULL];
+     }
+     NSString *accent = [preferences stringForKey:@"AppleAccentColor"];
+     NSArray *words = [[preferences stringForKey:@"AppleHighlightColor"]
+--- tk8.6.13/macosx/tkMacOSXWm.c.orig
++++ tk8.6.13-patched/macosx/tkMacOSXWm.c
+@@ -1289,6 +1289,11 @@ TkWmDeadWindow(
+ 	    [NSApp _setMainWindow:nil];
+ 	}
+ 	[deadNSWindow close];
++#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
++	NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
++	[preferences removeObserver:deadNSWindow.contentView
++		      forKeyPath:@"AppleHighlightColor"];
++#endif
+ 	[deadNSWindow release];
+ 
+ #if DEBUG_ZOMBIES > 1
+@@ -6763,6 +6768,21 @@ TkMacOSXMakeRealWindowExist(
+     }
+     TKContentView *contentView = [[TKContentView alloc]
+ 				     initWithFrame:NSZeroRect];
++#if MAC_OS_X_VERSION_MAX_ALLOWED >= 101400
++    NSUserDefaults *preferences = [NSUserDefaults standardUserDefaults];
++
++    /*
++     * AppKit calls the viewDidChangeEffectiveAppearance method when the
++     * user changes the Accent Color but not when the user changes the
++     * Highlight Color.  So we register to receive KVO notifications for
++     * Highlight Color as well.
++     */
++
++    [preferences addObserver:contentView
++		  forKeyPath:@"AppleHighlightColor"
++		     options:NSKeyValueObservingOptionNew
++		     context:NULL];
++#endif
+     [window setContentView:contentView];
+     [contentView release];
+     [window setDelegate:NSApp];
diff --git a/Mac/BuildScript/build-installer.py b/Mac/BuildScript/build-installer.py
index a07d38aedcb5d6..84e1422a628361 100755
--- a/Mac/BuildScript/build-installer.py
+++ b/Mac/BuildScript/build-installer.py
@@ -261,14 +261,14 @@ def library_recipes():
             tcl_checksum='81656d3367af032e0ae6157eff134f89'
 
             tk_checksum='5e0faecba458ee1386078fb228d008ba'
-            tk_patches = ['tk868_on_10_8_10_9.patch']
+            tk_patches = ['backport_gh71383_fix.patch', 'tk868_on_10_8_10_9.patch', 'backport_gh110950_fix.patch']
 
         else:
             tcl_tk_ver='8.6.13'
             tcl_checksum='43a1fae7412f61ff11de2cfd05d28cfc3a73762f354a417c62370a54e2caf066'
 
             tk_checksum='2e65fa069a23365440a3c56c556b8673b5e32a283800d8d9b257e3f584ce0675'
-            tk_patches = [ ]
+            tk_patches = ['backport_gh92603_fix.patch', 'backport_gh71383_fix.patch', 'backport_gh110950_fix.patch']
 
 
         base_url = "https://prdownloads.sourceforge.net/tcl/{what}{version}-src.tar.gz"
diff --git a/Misc/NEWS.d/next/macOS/2023-08-30-16-33-57.gh-issue-92603.ATkKVO.rst b/Misc/NEWS.d/next/macOS/2023-08-30-16-33-57.gh-issue-92603.ATkKVO.rst
new file mode 100644
index 00000000000000..477463c0c21264
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2023-08-30-16-33-57.gh-issue-92603.ATkKVO.rst
@@ -0,0 +1,3 @@
+Update macOS installer to include a fix accepted by upstream Tcl/Tk
+for a crash encountered after the first :meth:`tkinter.Tk` instance
+is destroyed.
diff --git a/Misc/NEWS.d/next/macOS/2023-09-02-08-49-57.gh-issue-71383.Ttkchg.rst b/Misc/NEWS.d/next/macOS/2023-09-02-08-49-57.gh-issue-71383.Ttkchg.rst
new file mode 100644
index 00000000000000..d8f3e429aab815
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2023-09-02-08-49-57.gh-issue-71383.Ttkchg.rst
@@ -0,0 +1,2 @@
+Update macOS installer to include an upstream Tcl/Tk fix
+for the ``ttk::ThemeChanged`` error encountered in Tkinter.
diff --git a/Misc/NEWS.d/next/macOS/2023-10-18-17-26-36.gh-issue-110950.sonoma.rst b/Misc/NEWS.d/next/macOS/2023-10-18-17-26-36.gh-issue-110950.sonoma.rst
new file mode 100644
index 00000000000000..c678c09f6aa55b
--- /dev/null
+++ b/Misc/NEWS.d/next/macOS/2023-10-18-17-26-36.gh-issue-110950.sonoma.rst
@@ -0,0 +1,3 @@
+Update macOS installer to include an upstream Tcl/Tk fix for the
+``Secure coding is not enabled for restorable state!`` warning
+encountered in Tkinter on macOS 14 Sonoma.