diff --git a/lib/simulator.js b/lib/simulator.js
index e4f41d5..c4947f3 100644
--- a/lib/simulator.js
+++ b/lib/simulator.js
@@ -83,6 +83,14 @@ function compareSims(a, b) {
 	return a.model < b.model ? -1 : a.model > b.model ? 1 : 0;
 }
 
+function getCreateSimulatorHelpText(selectedXcode) {
+	if (selectedXcode && selectedXcode.version && appc.version.gte(selectedXcode.version, '27.0')) {
+		return '\n\nPlease open "Device Hub" app and create a new Simulator with your preferred configuration.';
+	}
+
+	return '\n\nPlease open Xcode, navigate to "Window > Devices and Simulators" and create a new Simulator with your preferred configuration.';
+}
+
 /**
  * Detects iOS simulators.
  *
@@ -770,7 +778,7 @@ function findSimulators(options, callback) {
 				}
 
 				if (!simHandle) {
-					const helpText = '\n\nPlease open Xcode, navigate to "Window > Devices and Simulators" and create a new Simulator with your preferred configuration.';
+					const helpText = getCreateSimulatorHelpText(selectedXcode);
 
 					// user experience!
 					if (options.simVersion) {
diff --git a/lib/xcode.js b/lib/xcode.js
index 6940c6a..28cb109 100644
--- a/lib/xcode.js
+++ b/lib/xcode.js
@@ -40,204 +40,6 @@ var cache,
  * what Watch Simulator. It's a mystery!
  */
 const simulatorDevicePairCompatibility = {
-	'>=6.2 <7.0': {             // Xcode 6.2, 6.3, 6.4
-		'>=8.2 <9.0': {         // iOS 8.2, 8.3, 8.4
-			'1.x': true         // watchOS 1.0
-		}
-	},
-	'7.x': {                    // Xcode 7.x
-		'>=8.2 <9.0': {         // iOS 8.2, 8.3, 8.4
-			'1.x': true         // watchOS 1.0
-		},
-		'>=9.0 <=9.2': {        // iOS 9.0, 9.1, 9.2
-			'>=2.0 <=2.1': true // watchOS 2.0, 2.1
-		},
-		'>=9.3 <10': {          // iOS 9.3
-			'2.2': true         // watchOS 2.2
-		}
-	},
-	'8.x': {                    // Xcode 8.x
-		'>=9.0 <=9.2': {        // iOS 9.0, 9.1, 9.2
-			'>=2.0 <=2.1': true // watchOS 2.0, 2.1
-		},
-		'>=9.3 <10': {          // iOS 9.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'10.x': {               // iOS 10.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		}
-	},
-	'9.x': {                    // Xcode 9.x
-		'>=9.0 <=9.2': {        // iOS 9.0, 9.1, 9.2
-			'>=2.0 <=2.1': true // watchOS 2.0, 2.1
-		},
-		'>=9.3 <10': {          // iOS 9.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'10.x': {               // iOS 10.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'11.x': {               // iOS 11.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true         // watchOS 4.x
-		}
-	},
-	'10.x <10.3': {             // Xcode 10.0-10.2.1
-		'8.x': {},              // iOS 8.x
-		'>=9.0 <=9.2': {        // iOS 9.0, 9.1, 9.2
-			'>=2.0 <=2.1': true // watchOS 2.0, 2.1
-		},
-		'>=9.3 <10': {          // iOS 9.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'>=10.0 <=10.2': {      // iOS 10.0, 10.1, 10.2
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'>=10.3 <11': {         // iOS 10.3
-			'3.x': true         // watchOS 3.x
-		},
-		'11.x': {               // iOS 11.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true         // watchOS 4.x
-		},
-		'12.x': {               // iOS 12.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true,        // watchOS 4.x
-			'5.x': true         // watchOS 5.x
-		}
-	},
-	'>=10.3 <11': {
-		'>=10.3 <11': {         // iOS 10.3
-			'3.x': true         // watchOS 3.x
-		},
-		'11.x': {               // iOS 11.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true         // watchOS 4.x
-		},
-		'12.x': {		        // iOS 12.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true         // watchOS 5.x
-		}
-	},
-	'11.x': {                   // Xcode 11.x
-		'>=10.3 <11': {         // iOS 10.3
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'11.x': {               // iOS 11.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true         // watchOS 4.x
-		},
-		'12.x': {               // iOS 12.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true         // watchOS 6.x
-		},
-		'13.x': {               // iOS 13.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true         // watchOS 6.x
-		}
-	},
-	'12.x': {                   // Xcode 12.x
-		'>=10.3 <11': {         // iOS 10.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'11.x': {               // iOS 11.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true         // watchOS 4.x
-		},
-		'12.x': {               // iOS 12.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true         // watchOS 7.x
-		},
-		'13.x': {               // iOS 13.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true         // watchOS 7.x
-		},
-		'14.x': {               // iOS 14.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true         // watchOS 7.x
-		}
-	},
-	'13.x': {                   // Xcode 13.x
-		'>=10.3 <11': {         // iOS 10.x
-			'2.2': true,        // watchOS 2.2
-			'3.x': true         // watchOS 3.x
-		},
-		'11.x': {               // iOS 11.x
-			'>=3.2 <4.0': true, // watchOS 3.2
-			'4.x': true         // watchOS 4.x
-		},
-		'12.x': {               // iOS 12.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true         // watchOS 8.x
-		},
-		'13.x': {               // iOS 13.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true         // watchOS 8.x
-		},
-		'14.x': {               // iOS 14.x
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true         // watchOS 8.x
-		},
-		'15.x': {
-			'4.x': true,        // watchOS 4.x
-			'5.x': true,        // watchOS 5.x
-			'6.x': true,        // watchOS 6.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true         // watchOS 8.x
-		}
-	},
-	'14.x': {                   // Xcode 14.x
-		'12.x': {               // iOS 12.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true,        // watchOS 8.x
-			'9.x': true			// watchOS 9.x
-		},
-		'13.x': {               // iOS 13.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true,        // watchOS 8.x
-			'9.x': true			// watchOS 9.x
-		},
-		'14.x': {               // iOS 14.x
-			'7.x': true,        // watchOS 7.x
-			'8.x': true,        // watchOS 8.x
-			'9.x': true			// watchOS 9.x
-		},
-		'15.x': {
-			'7.x': true,        // watchOS 7.x
-			'8.x': true,        // watchOS 8.x
-			'9.x': true			// watchOS 9.x
-		},
-		'16.x': {
-			'7.x': true,        // watchOS 7.x
-			'8.x': true,        // watchOS 8.x
-			'9.x': true			// watchOS 9.x
-		}
-	},
 	'15.x': {                   // Xcode 15.x
 		'13.x': {               // iOS 13.x
 			'7.x': true,        // watchOS 7.x
@@ -315,6 +117,16 @@ const simulatorDevicePairCompatibility = {
 			'11.x': true,		// watchOS 11.x
 			'26.x': true,		// watchOS 26.x
 		},
+	},
+	'27.x': {                   // Xcode 27.x
+		'26.x': {				// iOS 26.x
+			'26.x': true,		// watchOS 26.x
+			'27.x': true,		// watchOS 27.x
+		},
+		'27.x': {				// iOS 27.x
+			'26.x': true,		// watchOS 26.x
+			'27.x': true,		// watchOS 27.x
+		},
 	}
 };
 
@@ -641,6 +453,13 @@ exports.detect = function detect(options, callback) {
 						}
 					});
 
+					if (!xc.executables.simulator) {
+						var deviceHub = path.join(dir, '..', 'Applications', 'DeviceHub.app', 'Contents', 'MacOS', 'DeviceHub');
+						if (fs.existsSync(deviceHub)) {
+							xc.executables.simulator = deviceHub;
+						}
+					}
+
 					if (appc.version.gte(xc.version, 9)) {
 						xc.executables.watchsimulator = xc.executables.simulator;
 					} else {
diff --git a/test/test-ioslib.js b/test/test-ioslib.js
index a61cf27..ea76706 100644
--- a/test/test-ioslib.js
+++ b/test/test-ioslib.js
@@ -19,8 +19,8 @@ describe('ioslib', function () {
 	});
 
 	it('detect all iOS information', function (done) {
-		this.timeout(80000);
-		this.slow(30000);
+		this.timeout(180000);
+		this.slow(60000);
 
 		ioslib.detect(function (err, results) {
 			if (err) {
diff --git a/test/test-simulator.js b/test/test-simulator.js
index eceedac..d0444de 100644
--- a/test/test-simulator.js
+++ b/test/test-simulator.js
@@ -166,8 +166,8 @@ describe('simulator', function () {
 	});
 
 	it('detect iOS Simulators', function (done) {
-		this.timeout(8000);
-		this.slow(2000);
+		this.timeout(30000);
+		this.slow(10000);
 
 		ioslib.simulator.detect(function (err, results) {
 			if (err) {
diff --git a/test/test-teams.js b/test/test-teams.js
index 4359bf0..2a8dfc1 100644
--- a/test/test-teams.js
+++ b/test/test-teams.js
@@ -17,8 +17,8 @@ describe('teams', function () {
 	});
 
 	it('detect teams', function (done) {
-		this.timeout(5000);
-		this.slow(2000);
+		this.timeout(30000);
+		this.slow(10000);
 
 		ioslib.teams.detect(function (err, results) {
 			if (err) {
diff --git a/test/test-xcode.js b/test/test-xcode.js
index 24823be..ebe8822 100644
--- a/test/test-xcode.js
+++ b/test/test-xcode.js
@@ -10,14 +10,29 @@
  */
 
 const
+	execFile = require('child_process').execFile,
 	fs = require('fs'),
 	ioslib = require('..');
 
+function skipUnlessSelectedXcode27(ctx, done, callback) {
+	execFile('xcodebuild', [ '-version' ], function (err, stdout) {
+		if (err) {
+			return done(err);
+		}
+
+		if (!/^Xcode 27\./m.test(stdout)) {
+			return ctx.skip();
+		}
+
+		callback();
+	});
+}
+
 function checkXcode(xcode) {
 	should(xcode).be.an.Object;
 	should(xcode).have.keys('xcodeapp', 'path', 'selected', 'version', 'build',
 		'supported', 'eulaAccepted', 'sdks', 'sims', 'simDeviceTypes',
-		'simRuntimes', 'watchos', 'tvos', 'teams', 'executables');
+		'simRuntimes', 'simDevicePairs', 'watchos', 'tvos', 'teams', 'executables');
 
 	should(xcode.xcodeapp).be.a.String;
 	should(xcode.xcodeapp).not.equal('');
@@ -154,4 +169,66 @@ describe('xcode', function () {
 			done();
 		});
 	});
+
+	it('detect should map Xcode 27 simulator device pairs', function (done) {
+		this.timeout(5000);
+		this.slow(2000);
+
+		skipUnlessSelectedXcode27(this, done, function () {
+			ioslib.xcode.detect({ bypassCache: true }, function (err, results) {
+				if (err) {
+					return done(err);
+				}
+
+				var xcode27 = Object.keys(results.xcode)
+					.map(function (id) { return results.xcode[id]; })
+					.filter(function (xc) { return /^27\./.test(xc.version); })
+					.shift();
+
+				if (!xcode27) {
+					return done();
+				}
+
+				should(xcode27.simDevicePairs).eql({
+					'26.x': {
+						'26.x': true,
+						'27.x': true
+					},
+					'27.x': {
+						'26.x': true,
+						'27.x': true
+					}
+				});
+				done();
+			});
+		});
+	});
+
+	it('detect should use DeviceHub as the Xcode 27 simulator executable', function (done) {
+		this.timeout(5000);
+		this.slow(2000);
+
+		skipUnlessSelectedXcode27(this, done, function () {
+			ioslib.xcode.detect({ bypassCache: true }, function (err, results) {
+				if (err) {
+					return done(err);
+				}
+
+				var xcode27 = Object.keys(results.xcode)
+					.map(function (id) { return results.xcode[id]; })
+					.filter(function (xc) { return /^27\./.test(xc.version); })
+					.shift();
+
+				if (!xcode27) {
+					return done();
+				}
+
+				var deviceHub = 'DeviceHub.app/Contents/MacOS/DeviceHub';
+				should(xcode27.executables.simulator).not.equal(null);
+				should(xcode27.executables.simulator).endWith(deviceHub);
+				should(xcode27.executables.watchsimulator).equal(xcode27.executables.simulator);
+				done();
+			});
+		});
+	});
 });