diff --git a/azure_pipelines/pr-validation.yml b/azure_pipelines/pr-validation.yml
index 977fef3e3e..9f014020be 100644
--- a/azure_pipelines/pr-validation.yml
+++ b/azure_pipelines/pr-validation.yml
@@ -265,7 +265,9 @@ jobs:
         inputs:
           targetType: 'inline'
           script: |
-            sh spm-integration-test.sh "${BRANCH_NAME}"
+            # visionOS slices are validated in visionos-validation.yml (which installs
+            # the visionOS SDK). This fast PR job does not, so skip them here.
+            sh spm-integration-test.sh "${BRANCH_NAME}" --skip-visionos
         continueOnError: false
 
       - task: Bash@3
diff --git a/spm-integration-test.sh b/spm-integration-test.sh
index 98ca721e50..d89aab9ce4 100644
--- a/spm-integration-test.sh
+++ b/spm-integration-test.sh
@@ -1,5 +1,10 @@
 BRANCH_NAME="$1"
-INCLUDE_VISIONOS=false
+# visionOS device + simulator slices are included by default so the published
+# xcframework never ships out of sync with Package.swift's .visionOS() platform.
+# Use --skip-visionos on fast paths (e.g. regular PR validation) that do not have
+# the visionOS SDK installed. --include-visionos is kept as a no-op alias for
+# backward compatibility with existing callers.
+INCLUDE_VISIONOS=true
 SKIP_SAMPLE_APP=false
 
 # Parse optional flags
@@ -8,6 +13,9 @@ for arg in "$@"; do
     --include-visionos)
       INCLUDE_VISIONOS=true
       ;;
+    --skip-visionos)
+      INCLUDE_VISIONOS=false
+      ;;
     --skip-sample-app)
       SKIP_SAMPLE_APP=true
       ;;
@@ -19,6 +27,21 @@ current_date=$(date +"%Y-%m-%d %H:%M:%S")
 
 set -e
 
+# xcodebuild steps below run with -quiet and redirect output to build.log, so a
+# failure would otherwise exit with no actionable context in the CI log. On a
+# non-zero exit, dump build.log so the underlying xcodebuild error is visible.
+# This script is invoked via `sh`, so use a POSIX-compatible EXIT trap that
+# checks the status rather than a bash-only ERR trap.
+on_exit()
+{
+    status=$?
+    if [ "$status" -ne 0 ]; then
+        echo "** Build step failed (exit $status). Contents of build.log: **"
+        cat build.log 2>/dev/null || echo "(build.log not found)"
+    fi
+}
+trap on_exit EXIT
+
 # Build framework
 
 echo "Building framework"
@@ -35,11 +58,47 @@ if [ "$INCLUDE_VISIONOS" = true ]; then
   xcodebuild -sdk xros -configuration Release -workspace MSAL.xcworkspace -scheme "MSAL (iOS Framework)" archive SKIP_INSTALL=NO BUILD_LIBRARY_FOR_DISTRIBUTION=YES -archivePath archive/visionOS CODE_SIGNING_ALLOWED=NO -quiet > build.log 2>&1
   XCFRAMEWORK_ARGS="$XCFRAMEWORK_ARGS -framework archive/visionOSSimulator.xcarchive/Products/Library/Frameworks/MSAL.framework -framework archive/visionOS.xcarchive/Products/Library/Frameworks/MSAL.framework"
 else
-  echo "Skipping visionOS (use --include-visionos to include)"
+  echo "Skipping visionOS (use default, or pass --include-visionos, to include; --skip-visionos to opt out)"
 fi
 
 xcodebuild -create-xcframework $XCFRAMEWORK_ARGS -output framework/MSAL.xcframework > build.log 2>&1
 
+if [ "$INCLUDE_VISIONOS" = true ]; then
+  echo "Verifying visionOS slices are present in MSAL.xcframework"
+  if [ ! -f framework/MSAL.xcframework/Info.plist ]; then
+    echo "** ERROR: framework/MSAL.xcframework/Info.plist not found; xcframework creation likely failed. See build.log above. **"
+    exit 1
+  fi
+  python3 - <<'PY'
+import plistlib, sys
+
+plist_path = "framework/MSAL.xcframework/Info.plist"
+with open(plist_path, "rb") as f:
+    info = plistlib.load(f)
+
+libraries = info.get("AvailableLibraries", [])
+
+def has_slice(platform, simulator):
+    for lib in libraries:
+        is_sim = lib.get("SupportedPlatformVariant") == "simulator"
+        if lib.get("SupportedPlatform") == platform and is_sim == simulator:
+            return True
+    return False
+
+missing = []
+if not has_slice("xros", False):
+    missing.append("visionOS device (xros)")
+if not has_slice("xros", True):
+    missing.append("visionOS simulator (xros-simulator)")
+
+if missing:
+    sys.stderr.write("** ERROR: MSAL.xcframework is missing required slices: " + ", ".join(missing) + " **\n")
+    sys.exit(1)
+
+print("Verified visionOS device + simulator slices are present in MSAL.xcframework")
+PY
+fi
+
 echo "Creating MSAL.zip"
 zip -r MSAL.zip framework/MSAL.xcframework -y -v