Xcode 26.3 Release (#326)

* Xcode 26.4 Beta 2

* Updated Tahoe runtimes to latest Xcode 26.4 release versions

.ci/cirrus.runner.yml

@@ -4,7 +4,7 @@ task:
     matrix:
       - MACOS_VERSION: sonoma
         XCODE_VERSIONS: "16.1,16"
-        DISK_SIZE: 230
+        DISK_SIZE: 240
       - MACOS_VERSION: sequoia
         XCODE_VERSIONS: "\"26.0.1\",16.4,16.3,16.2,16.1,16"
         ADDITIONAL_IOS_BUILDS: "18.5,18.4,18.2,17.5"
@@ -12,7 +12,7 @@ task:
         XCODE_COMPONENTS: "\"MetalToolchain\""
         DISK_SIZE: 400
       - MACOS_VERSION: tahoe
-        XCODE_VERSIONS: "\"26.2\",\"26.3-rc\",\"26.1.1\",\"26.0.1\""
+        XCODE_VERSIONS: "\"26.3\",\"26.4-beta-2\",\"26.2\",\"26.1.1\",\"26.0.1\""
         XCODE_COMPONENTS: "\"MetalToolchain\""
         ADDITIONAL_IOS_BUILDS: "18.6"
         DISK_SIZE: 300

data/expected.tahoe.runtimes.txt

@@ -3,9 +3,10 @@ iOS 18.6 (18.6 - 22G86) - com.apple.CoreSimulator.SimRuntime.iOS-18-6
 iOS 26.0 (26.0.1 - 23A8464) - com.apple.CoreSimulator.SimRuntime.iOS-26-0
 iOS 26.1 (26.1 - 23B86) - com.apple.CoreSimulator.SimRuntime.iOS-26-1
 iOS 26.2 (26.2 - 23C54) - com.apple.CoreSimulator.SimRuntime.iOS-26-2
-tvOS 26.1 (26.1 - 23J579) - com.apple.CoreSimulator.SimRuntime.tvOS-26-1
+iOS 26.4 (26.4 - 23E5218e) - com.apple.CoreSimulator.SimRuntime.iOS-26-4
 tvOS 26.2 (26.2 - 23K51) - com.apple.CoreSimulator.SimRuntime.tvOS-26-2
-watchOS 26.1 (26.1 - 23S36) - com.apple.CoreSimulator.SimRuntime.watchOS-26-1
+tvOS 26.4 (26.4 - 23L5219e) - com.apple.CoreSimulator.SimRuntime.tvOS-26-4
 watchOS 26.2 (26.2 - 23S303) - com.apple.CoreSimulator.SimRuntime.watchOS-26-2
-visionOS 26.1 (26.1 - 23N47) - com.apple.CoreSimulator.SimRuntime.xrOS-26-1
+watchOS 26.4 (26.4 - 23T5221e) - com.apple.CoreSimulator.SimRuntime.watchOS-26-4
 visionOS 26.2 (26.2 - 23N301) - com.apple.CoreSimulator.SimRuntime.xrOS-26-2
+visionOS 26.4 (26.4 - 23O5220e) - com.apple.CoreSimulator.SimRuntime.xrOS-26-4

templates/vanilla-tahoe.pkr.hcl

@@ -12,7 +12,7 @@ packer {
 }
 
 source "tart-cli" "tart" {
-  from_ipsw    = "https://updates.cdn-apple.com/2025FallFCS/fullrestores/093-37399/E144C918-CF99-4BBC-B1D0-3E739B9A3F2D/UniversalMac_26.2_25C56_Restore.ipsw"
+  from_ipsw    = "https://updates.cdn-apple.com/2026WinterFCS/fullrestores/047-60229/6D5DBEA5-75A0-4BEF-ACC9-5ACF9B8DF6B7/UniversalMac_26.3_25D125_Restore.ipsw"
   vm_name      = "tahoe-vanilla"
   cpu_count    = 4
   memory_gb    = 8