diff --git a/.github/workflows/create-usd-release.yml b/.github/workflows/create-usd-release.yml
index f415aad1..7ff9f0bc 100644
--- a/.github/workflows/create-usd-release.yml
+++ b/.github/workflows/create-usd-release.yml
@@ -39,7 +39,7 @@ jobs:
         with:
             cmakeVersion: "~3.26.0"
 
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Check if artifact exists in 'USD-${{ github.event.inputs.usd_version }}-Artifacts' Release
         id: check_artifact
@@ -108,14 +108,14 @@ jobs:
           brew cleanup
 
       - name: Install Additional Dependencies (Ubuntu)
-        if: env.exists == 'false' && contains(matrix.os, 'ubuntu')
+        if: env.exists == 'false' && runner.os == 'Linux'
         run: |
           sudo apt-get update
           sudo apt-get install -y build-essential libgl1-mesa-dev libglew-dev libxi-dev libxrandr-dev
           sudo apt-get install -y libx11-dev libxinerama-dev libxcursor-dev libxi-dev
 
       - name: Install Additional Dependencies (Windows)
-        if: env.exists == 'false' && contains(matrix.os, 'windows')
+        if: env.exists == 'false' && runner.os == 'Windows'
         run: |
           choco install cmake --installargs 'ADD_CMAKE_TO_PATH=System'
 
@@ -190,14 +190,14 @@ jobs:
           Invoke-Expression $python_cmd
 
       - name: Remove Specific Folders Unix
-        if: env.exists == 'false' && contains(matrix.os, 'windows') == 'false'
+        if: env.exists == 'false' && runner.os != 'Windows'
         run: |
           rm -rf ${{ github.workspace }}/usd_build/build
           rm -rf ${{ github.workspace }}/usd_build/share
           rm -rf ${{ github.workspace }}/usd_build/src
 
       - name: Remove Specific Folders Windows
-        if: env.exists == 'false' && contains(matrix.os, 'windows')
+        if: env.exists == 'false' && runner.os == 'Windows'
         run: |
           powershell -Command "& {
             Remove-Item -Path ${{ github.workspace }}\usd_build\build -Recurse -Force
@@ -229,13 +229,13 @@ jobs:
           }
 
       - name: Package Build Artifacts Unix
-        if: env.exists == 'false' && contains(matrix.os, 'windows') == 'false'
+        if: env.exists == 'false' && runner.os != 'Windows'
         run: |
           cd ${{ github.workspace }}/usd_build
           zip -r ../usd-${{ github.event.inputs.usd_version }}-${{ matrix.os }}.zip *
 
       - name: Package Build Artifacts Windows
-        if: env.exists == 'false' && contains(matrix.os, 'windows')
+        if: env.exists == 'false' && runner.os == 'Windows'
         run: |
           powershell -Command "& {
             Set-Location ${{ github.workspace }}\usd_build
diff --git a/test/full_versions.json b/test/full_versions.json
index 7e50e9bd..0bda5bd1 100644
--- a/test/full_versions.json
+++ b/test/full_versions.json
@@ -7,27 +7,35 @@
     { "os": "windows-2022", "usd_version": "2411" },
     { "os": "windows-2022", "usd_version": "2508" },
     { "os": "windows-2022", "usd_version": "2511" },
+    { "os": "windows-2022", "usd_version": "2603" },
 
     { "os": "windows-2025", "usd_version": "2508" },
     { "os": "windows-2025", "usd_version": "2511" },
+    { "os": "windows-2025", "usd_version": "2603" },
 
     { "os": "macOS-14", "usd_version": "2408" },
     { "os": "macOS-14", "usd_version": "2411" },
     { "os": "macOS-14", "usd_version": "2508" },
     { "os": "macOS-14", "usd_version": "2511" },
+    { "os": "macOS-14", "usd_version": "2603" },
 
     { "os": "macOS-15", "usd_version": "2408" },
     { "os": "macOS-15", "usd_version": "2411" },
     { "os": "macOS-15", "usd_version": "2508" },
     { "os": "macOS-15", "usd_version": "2511" },
+    { "os": "macOS-15", "usd_version": "2603" },
 
     { "os": "macos-26", "usd_version": "2508" },
     { "os": "macos-26", "usd_version": "2511" },
+    { "os": "macos-26", "usd_version": "2603" },
 
     { "os": "ubuntu-22.04", "usd_version": "2308" },
     { "os": "ubuntu-22.04", "usd_version": "2311" },
     { "os": "ubuntu-22.04", "usd_version": "2405" },
     { "os": "ubuntu-22.04", "usd_version": "2408" },
-    { "os": "ubuntu-22.04", "usd_version": "2411" }
+    { "os": "ubuntu-22.04", "usd_version": "2411" },
+    { "os": "ubuntu-22.04", "usd_version": "2508" },
+    { "os": "ubuntu-22.04", "usd_version": "2511" },
+    { "os": "ubuntu-22.04", "usd_version": "2603" }
   ]
 }
diff --git a/test/pr_versions.json b/test/pr_versions.json
index beb413d5..88b9473d 100644
--- a/test/pr_versions.json
+++ b/test/pr_versions.json
@@ -1,21 +1,21 @@
 {
   "include": [
-    { "os": "windows-2022", "usd_version": "2508" },
     { "os": "windows-2022", "usd_version": "2511" },
+    { "os": "windows-2022", "usd_version": "2603" },
 
-    { "os": "windows-2025", "usd_version": "2508" },
     { "os": "windows-2025", "usd_version": "2511" },
+    { "os": "windows-2025", "usd_version": "2603" },
 
-    { "os": "macOS-14", "usd_version": "2508" },
     { "os": "macOS-14", "usd_version": "2511" },
+    { "os": "macOS-14", "usd_version": "2603" },
 
-    { "os": "macOS-15", "usd_version": "2508" },
     { "os": "macOS-15", "usd_version": "2511" },
+    { "os": "macOS-15", "usd_version": "2603" },
 
-    { "os": "macos-26", "usd_version": "2508" },
     { "os": "macos-26", "usd_version": "2511" },
+    { "os": "macos-26", "usd_version": "2603" },
 
-    { "os": "ubuntu-22.04", "usd_version": "2508" },
-    { "os": "ubuntu-22.04", "usd_version": "2511" }
+    { "os": "ubuntu-22.04", "usd_version": "2511" },
+    { "os": "ubuntu-22.04", "usd_version": "2603" }
   ]
 }