diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d8f06b843..91606ff36 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -226,6 +226,15 @@ jobs:
         with:
           name: CesiumForUnreal-50-windows-${{ env.CESIUM_UNREAL_VERSION}}
           path: combine
+      - name: Unreal Marketplace Workaround
+        run: |
+          # The UE Marketplace deletes our Intermediates directory and fails to produces new
+          # intermediates for the Linux platform. The Marketplace team has suggested we copy
+          # them to the LinuxIntermediate directory instead, as a workaround. Users still have
+          # to move these files to the correct place manually, though, in order for Linux builds
+          # to succeed.
+          mkdir -p combine/CesiumForUnreal/LinuxIntermediate/Build/Linux
+          cp -r combine/CesiumForUnreal/Intermediate/Build/Linux/* combine/CesiumForUnreal/LinuxIntermediate/Build/Linux
       - name: Publish combined package artifact
         if: ${{ success() }}
         uses: actions/upload-artifact@v3
@@ -467,6 +476,15 @@ jobs:
         with:
           name: CesiumForUnreal-51-windows-${{ env.CESIUM_UNREAL_VERSION}}
           path: combine
+      - name: Unreal Marketplace Workaround
+        run: |
+          # The UE Marketplace deletes our Intermediates directory and fails to produces new
+          # intermediates for the Linux platform. The Marketplace team has suggested we copy
+          # them to the LinuxIntermediate directory instead, as a workaround. Users still have
+          # to move these files to the correct place manually, though, in order for Linux builds
+          # to succeed.
+          mkdir -p combine/CesiumForUnreal/LinuxIntermediate/Build/Linux
+          cp -r combine/CesiumForUnreal/Intermediate/Build/Linux/* combine/CesiumForUnreal/LinuxIntermediate/Build/Linux
       - name: Publish combined package artifact
         if: ${{ success() }}
         uses: actions/upload-artifact@v3
@@ -642,7 +660,7 @@ jobs:
           name: ${{ env.BUILD_CESIUM_UNREAL_PACKAGE_NAME}}
           path: packages
   iOS52:
-    runs-on: macos-13
+    runs-on: macos-12
     env:
       AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
       AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
@@ -727,6 +745,15 @@ jobs:
         with:
           name: CesiumForUnreal-52-windows-${{ env.CESIUM_UNREAL_VERSION}}
           path: combine
+      - name: Unreal Marketplace Workaround
+        run: |
+          # The UE Marketplace deletes our Intermediates directory and fails to produces new
+          # intermediates for the Linux platform. The Marketplace team has suggested we copy
+          # them to the LinuxIntermediate directory instead, as a workaround. Users still have
+          # to move these files to the correct place manually, though, in order for Linux builds
+          # to succeed.
+          mkdir -p combine/CesiumForUnreal/LinuxIntermediate/Build/Linux
+          cp -r combine/CesiumForUnreal/Intermediate/Build/Linux/* combine/CesiumForUnreal/LinuxIntermediate/Build/Linux
       - name: Publish combined package artifact
         if: ${{ success() }}
         uses: actions/upload-artifact@v3
diff --git a/.github/workflows/buildWindows.yml b/.github/workflows/buildWindows.yml
index 7d8b87633..593e5d59e 100644
--- a/.github/workflows/buildWindows.yml
+++ b/.github/workflows/buildWindows.yml
@@ -34,16 +34,22 @@ jobs:
           $env:BUILD_CESIUM_UNREAL_PACKAGE_PATH="$env:GITHUB_WORKSPACE/packages/CesiumForUnreal"
           $env:UNREAL_BATCH_FILES_PATH="${{ inputs.unreal-batch-files-path }}"
 
+          # Store temp files on the D drive, which is much faster than the EBS-backed C drive.
+          mkdir -p d:\cesium\temp
+          $env:TEMP="d:\cesium\temp"
+
           # Make these available to subsequent steps
           echo "BUILD_CESIUM_UNREAL_PACKAGE_NAME=${env:BUILD_CESIUM_UNREAL_PACKAGE_NAME}" >> $env:GITHUB_ENV
           echo "BUILD_CESIUM_UNREAL_PACKAGE_PATH=${env:BUILD_CESIUM_UNREAL_PACKAGE_PATH}" >> $env:GITHUB_ENV
           echo "UNREAL_BATCH_FILES_PATH=${env:UNREAL_BATCH_FILES_PATH}" >> $env:GITHUB_ENV
+          echo "TEMP=${env:TEMP}" >> $env:GITHUB_ENV
 
           # Confirm vars to the console
           echo ""
           echo BUILD_CESIUM_UNREAL_PACKAGE_NAME=$env:BUILD_CESIUM_UNREAL_PACKAGE_NAME
           echo BUILD_CESIUM_UNREAL_PACKAGE_PATH=$env:BUILD_CESIUM_UNREAL_PACKAGE_PATH
           echo UNREAL_BATCH_FILES_PATH=$env:UNREAL_BATCH_FILES_PATH
+          echo TEMP=$env:TEMP
       - name: Install nasm
         uses: ilammy/setup-nasm@v1.4.0
       - name: Build cesium-native
@@ -57,6 +63,7 @@ jobs:
       - name: Build CesiumForUnreal plugin
         timeout-minutes: 120      
         run: |
+          echo "Temp directory: $env:TEMP"
           cd "$env:UNREAL_BATCH_FILES_PATH"
           ./RunUAT.bat BuildPlugin -Plugin="$env:GITHUB_WORKSPACE/CesiumForUnreal.uplugin" -Package="$env:BUILD_CESIUM_UNREAL_PACKAGE_PATH" -CreateSubFolder -TargetPlatforms=Win64
       - name: Upload plugin artifact
@@ -64,4 +71,4 @@ jobs:
         uses: actions/upload-artifact@v3
         with:
           name: ${{ env.BUILD_CESIUM_UNREAL_PACKAGE_NAME}}
-          path: packages
\ No newline at end of file
+          path: packages
diff --git a/.github/workflows/testWindows.yml b/.github/workflows/testWindows.yml
index 32f2513fe..de977099a 100644
--- a/.github/workflows/testWindows.yml
+++ b/.github/workflows/testWindows.yml
@@ -61,48 +61,83 @@ jobs:
           dir
           Get-Content "CesiumForUnreal.uplugin" | select-string -pattern "EngineVersion"
       - name: Run Cesium tests
-        continue-on-error: true
-        timeout-minutes: 30
+        timeout-minutes: 60      
         run: |
           cd "${{ inputs.unreal-binaries-path }}"
           ./UnrealEditor-Cmd.exe "$env:TESTS_PROJECT_ROOT/TestsProject.uproject" -execcmds="Automation RunTests Cesium.Unit.;quit" -nullrhi -unattended -nosplash -ReportExportPath="$env:TESTS_PROJECT_LOGS"
       - name: Display tests log 
+        if: always()
         run: |
           cd "$env:TESTS_PROJECT_LOGS"  
           dir 
           Get-Content TestsProject.log          
       - name: Display tests report
+        if: always()
         run: |
           cd "$env:TESTS_PROJECT_LOGS"
           Get-Content index.json
       - name: Evaluate tests results
+        if: always()
         run: |
-          $env:TEST_STATUS="Pending"
-          echo "test_status=$env:TEST_STATUS" >> $env:GITHUB_ENV
-
           cd "$env:TESTS_PROJECT_LOGS"
 
-          # Define function to parse json recursively
-          function Parse-JsonRecursively($jsonObject) {
-              foreach ($property in $jsonObject.PSObject.Properties) {
-                  $name = $property.Name
-                  $value = $property.Value
+          $failedTests = ""
+          $succeededTests = ""
+
+          function Parse-Test($jsonObject) {
+            $currTestName = ""
+            foreach ($property in $jsonObject.PSObject.Properties) {
+                $name = $property.Name
+                $value = $property.Value
+
+                if($name -eq "fullTestPath") {
+                  $currTestName = $value
+                }
+                
+                if($name -eq "state") {
+                   if ($value -eq "Success") {
+                     $global:succeededTests += $currTestName + "`n"
+                   }
+                   else {
+                     $global:failedTests += $currTestName + "`n"
+                   }
+                }
+            }
+          }
+
+          function Parse-Json($jsonObject) {
+            foreach ($property in $jsonObject.PSObject.Properties) {
+                $name = $property.Name
+                $value = $property.Value
 
-                  # If the property value is another object, call function recursively
-                  if ($value -is [PSCustomObject]) {
-                      Parse-JsonRecursively($value)
-                  }
-                  else {
-                      # If "state:fail" entry is found in json, set failure state
-                      if($name -eq "state" -and $value -eq "fail") {
-                          $env:TEST_STATUS="Failure"
-                          return
-                      }
-                  }
-              }
+                # If the property value is another object, call function recursively
+                if ($name -eq "tests" -and $value -is [System.Object[]]) {
+                    for (($i = 0); $i -lt $value.Count; $i++) {
+                      Parse-Test($value[$i])
+                    }
+                }
+            }
           }
 
-          $env:TEST_STATUS="Success" # Set status to success at start
           $json = Get-Content -Path 'index.json' | ConvertFrom-Json # Read in json
-          Parse-JsonRecursively -jsonObject $json # Parse json
-          echo "test_status=$env:TEST_STATUS" >> $env:GITHUB_ENV # Export result to github environment variables          
\ No newline at end of file
+          Parse-Json -jsonObject $json # Parse json
+          
+          echo " "
+          if ($failedTests.Length -eq 0) {
+            echo "All tests passed:"
+            echo "-----------------"
+            echo "$succeededTests"
+
+            exit 0
+          }
+          else {
+            echo "Passing tests:"
+            echo "--------------"
+            echo "$succeededTests"
+
+            echo "FAILED tests:"
+            echo "-------------"
+            echo "$failedTests"
+
+            exit -1
+          }
\ No newline at end of file
diff --git a/CHANGES.md b/CHANGES.md
index 0703b40f9..737eb5a68 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -20,6 +20,14 @@
 - `ACesiumGeoreference`, `ACesiumCameraManager`, and `ACesiumCreditSystem` are now created in the Persistent Level, even if the object that triggered their automatic creation (such as `ACesium3DTileset`) exists in a sub-level. It is very rarely useful to have instances of these objects within a sub-level.
 - An instance of `ACesiumCreditSystem` in a sub-level will no longer cause overlapping and broken-looking credits. However, we still recommend deleting credit system instances from sub-levels.
 
+### v1.30.1 - 2023-09-03
+
+This release fixes an important bug by updating [cesium-native](https://github.com/CesiumGS/cesium-native) from v0.27.0 to v0.27.1. See the [changelog](https://github.com/CesiumGS/cesium-native/blob/main/CHANGES.md) for a complete list of changes in cesium-native.
+
+### v1.30.0 - 2023-09-01
+
+This release updates [cesium-native](https://github.com/CesiumGS/cesium-native) from v0.26.0 to v0.27.0. See the [changelog](https://github.com/CesiumGS/cesium-native/blob/main/CHANGES.md) for a complete list of changes in cesium-native.
+
 ### v1.29.0 - 2023-08-01
 
 ##### Fixes :wrench:
diff --git a/CesiumForUnreal.uplugin b/CesiumForUnreal.uplugin
index 1fdbc1be1..f3072b208 100644
--- a/CesiumForUnreal.uplugin
+++ b/CesiumForUnreal.uplugin
@@ -1,7 +1,7 @@
 {
 	"FileVersion": 3,
-	"Version": 47,
-	"VersionName": "1.29.0",
+	"Version": 49,
+	"VersionName": "1.30.1",
 	"FriendlyName": "Cesium for Unreal",
 	"Description": "Unlock the 3D geospatial ecosystem in Unreal Engine with real-world 3D content and a high accuracy full-scale WGS84 globe.",
 	"Category": "Geospatial",
diff --git a/Config/FilterPlugin.ini b/Config/FilterPlugin.ini
index 37b008195..b1cfb8c47 100644
--- a/Config/FilterPlugin.ini
+++ b/Config/FilterPlugin.ini
@@ -8,3 +8,13 @@
 /Shaders/*
 /Intermediate/Build/Linux/*
 /Binaries/Linux/*
+/LinuxIntermediate/Build/Linux/UnrealEditor/Inc/CesiumEditor/UHT/*
+/LinuxIntermediate/Build/Linux/UnrealEditor/Inc/CesiumRuntime/UHT/*
+/LinuxIntermediate/Build/Linux/UnrealGame/Development/CesiumRuntime/*
+/LinuxIntermediate/Build/Linux/UnrealGame/Inc/CesiumRuntime/UHT/*
+/LinuxIntermediate/Build/Linux/UnrealGame/Shipping/CesiumRuntime/*
+/LinuxIntermediate/Build/Linux/x64/UnrealGame/Development/CesiumRuntime/*
+/LinuxIntermediate/Build/Linux/x64/UnrealGame/Shipping/CesiumRuntime/*
+/LinuxIntermediate/Build/Linux/B4D820EA/UnrealGame/Development/CesiumRuntime/*
+/LinuxIntermediate/Build/Linux/B4D820EA/UnrealGame/Inc/CesiumRuntime/UHT/*
+/LinuxIntermediate/Build/Linux/B4D820EA/UnrealGame/Shipping/CesiumRuntime/*
diff --git a/Source/CesiumRuntime/CesiumRuntime.Build.cs b/Source/CesiumRuntime/CesiumRuntime.Build.cs
index 9cbd2b379..d2b708b65 100644
--- a/Source/CesiumRuntime/CesiumRuntime.Build.cs
+++ b/Source/CesiumRuntime/CesiumRuntime.Build.cs
@@ -81,6 +81,8 @@ public CesiumRuntime(ReadOnlyTargetRules Target) : base(Target)
         string[] libs = new string[]
         {
             "async++",
+            "Cesium3DTiles",
+            "Cesium3DTilesReader",
             "Cesium3DTilesSelection",
             "CesiumAsync",
             "CesiumGeometry",
diff --git a/extern/cesium-native b/extern/cesium-native
index 172ac5ddc..1248522db 160000
--- a/extern/cesium-native
+++ b/extern/cesium-native
@@ -1 +1 @@
-Subproject commit 172ac5ddcce602c8b268ad342639554dea2f6004
+Subproject commit 1248522dba50e06e13800baae8169592971308a9
diff --git a/package.json b/package.json
index 407e0dd3e..769410fce 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "cesium-unreal",
-  "version": "1.29.0",
+  "version": "1.30.1",
   "description": "Cesium for Unreal",
   "main": "index.js",
   "directories": {