diff --git a/.github/workflows/build.yaml b/.github/workflows/build.yaml
index 87a087a7..5a040682 100644
--- a/.github/workflows/build.yaml
+++ b/.github/workflows/build.yaml
@@ -29,10 +29,10 @@ jobs:
       schemas_changed: ${{ steps.changed_files.outputs.files_changed }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Setup .NET
-        uses: actions/setup-dotnet@v3
+        uses: actions/setup-dotnet@v4
 
       # Disable Strong Name Verification to let us pull a switch-a-roo
       - name: Disable strong name validation
@@ -51,19 +51,19 @@ jobs:
         run: rm .\NewHorizons\bin\${{ inputs.build_type }}\NewHorizons.xml
 
       - name: Upload Mod Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: xen.NewHorizons.${{ inputs.build_type }}
           path: .\NewHorizons\bin\${{ inputs.build_type }}
 
       - name: Upload Schemas Artifact
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         with:
           name: NewHorizons-Schemas-${{ inputs.build_type }}
           path: .\NewHorizons\Schemas
 
       - name: Verify Changed Schemas
-        uses: tj-actions/verify-changed-files@v17
+        uses: tj-actions/verify-changed-files@v20
         id: changed_files
         with:
           files: NewHorizons/Schemas/**
diff --git a/.github/workflows/docs_build.yml b/.github/workflows/docs_build.yml
index 7511a4bb..af14ae80 100644
--- a/.github/workflows/docs_build.yml
+++ b/.github/workflows/docs_build.yml
@@ -29,10 +29,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Download Schemas
         if: ${{ inputs.schemas_artifact != 'null' }}
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: ${{ inputs.schemas_artifact }}
           path: NewHorizons/Schemas
@@ -55,4 +55,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v1
+        uses: actions/deploy-pages@v4
diff --git a/.github/workflows/release_build.yml b/.github/workflows/release_build.yml
index d27381cc..c2aab503 100644
--- a/.github/workflows/release_build.yml
+++ b/.github/workflows/release_build.yml
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: "actions/checkout@v3"
+        uses: "actions/checkout@v4"
       - name: Read Manifest
         id: read-manifest
         uses: notiz-dev/github-action-json-property@release
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Download Asset
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: xen.NewHorizons.Release
           path: xen.NewHorizons
diff --git a/.github/workflows/update_schemas.yml b/.github/workflows/update_schemas.yml
index 9f9a4194..f570ec90 100644
--- a/.github/workflows/update_schemas.yml
+++ b/.github/workflows/update_schemas.yml
@@ -18,12 +18,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.SCHEMAS_TOKEN }}
 
       - name: Download Artifact
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
           name: ${{ inputs.artifact_name }}
           path: NewHorizons/Schemas/
diff --git a/NewHorizons/Builder/ShipLog/MapModeBuilder.cs b/NewHorizons/Builder/ShipLog/MapModeBuilder.cs
index 15b753bc..22039b4c 100644
--- a/NewHorizons/Builder/ShipLog/MapModeBuilder.cs
+++ b/NewHorizons/Builder/ShipLog/MapModeBuilder.cs
@@ -31,6 +31,19 @@ namespace NewHorizons.Builder.ShipLog
             foreach (var shipLogAstroObject in currentNav.SelectMany(x => x))
             {
                 var astroObject = Locator.GetAstroObject(AstroObject.StringIDToAstroObjectName(shipLogAstroObject._id));
+                if (astroObject == null)
+                {
+                    // Outsider compat
+                    if (shipLogAstroObject._id == "POWER_STATION")
+                    {
+                        astroObject = GameObject.FindObjectsOfType<AstroObject>().FirstOrDefault(x => x._customName == "Power Station");
+                    }
+                    else
+                    {
+                        NHLogger.LogError($"Couldn't find stock (?) astro object [{shipLogAstroObject?._id}]");
+                        continue;
+                    }
+                }
                 _astroObjectToShipLog[astroObject.gameObject] = shipLogAstroObject;
             }
 
diff --git a/NewHorizons/Components/Props/NHSupernovaPlanetEffectController.cs b/NewHorizons/Components/Props/NHSupernovaPlanetEffectController.cs
index 0f87cca3..7b08bddd 100644
--- a/NewHorizons/Components/Props/NHSupernovaPlanetEffectController.cs
+++ b/NewHorizons/Components/Props/NHSupernovaPlanetEffectController.cs
@@ -188,7 +188,11 @@ namespace NewHorizons.Components.Props
                     {
                         for (int i = 0; i < _ambientLight.Length; i++)
                         {
-                            _ambientLight[i].intensity = _ambientLightOrigIntensity[i] * (1f - collapseProgress);
+                            var ambientLight = _ambientLight[i];
+                            if (ambientLight != null)
+                            {
+                                ambientLight.intensity = _ambientLightOrigIntensity[i] * (1f - collapseProgress);
+                            }
                         }
                     }
 
diff --git a/NewHorizons/Components/ShipLog/ShipLogStarChartMode.cs b/NewHorizons/Components/ShipLog/ShipLogStarChartMode.cs
index 57d48c35..2c1828d1 100644
--- a/NewHorizons/Components/ShipLog/ShipLogStarChartMode.cs
+++ b/NewHorizons/Components/ShipLog/ShipLogStarChartMode.cs
@@ -34,10 +34,13 @@ namespace NewHorizons.Components.ShipLog
 
         private int _nextCardIndex;
 
+        private HashSet<string> _systemCards = new();
+
         private void Awake()
         {
             // Prompts
             Locator.GetPromptManager().AddScreenPrompt(_warpPrompt, PromptPosition.UpperLeft, false);
+            _systemCards.Clear();
         }
 
         public override void Initialize(ScreenPromptList centerPromptList, ScreenPromptList upperRightPromptList, OWAudioSource oneShotSource)
@@ -70,8 +73,15 @@ namespace NewHorizons.Components.ShipLog
 
         public void AddSystemCard(string uniqueID)
         {
-            var card = CreateCard(uniqueID, root.transform, new Vector2(_nextCardIndex++ * 200, 0));
-            _starSystemCards.Add(card);
+            if (!_systemCards.Contains(uniqueID))
+            {
+                var card = CreateCard(uniqueID, root.transform, new Vector2(_nextCardIndex++ * 200, 0));
+                _starSystemCards.Add(card);
+            }
+            else
+            {
+                NHLogger.LogWarning($"Tried making duplicate system card {uniqueID}");
+            }
         }
 
         public void OnDestroy()
diff --git a/NewHorizons/manifest.json b/NewHorizons/manifest.json
index 205ce96a..1a7cdab3 100644
--- a/NewHorizons/manifest.json
+++ b/NewHorizons/manifest.json
@@ -4,7 +4,7 @@
   "author": "xen, Bwc9876, JohnCorby, MegaPiggy, Clay, Trifid, and friends",
   "name": "New Horizons",
   "uniqueName": "xen.NewHorizons",
-  "version": "1.21.1",
+  "version": "1.21.2",
   "owmlVersion": "2.12.1",
   "dependencies": [ "JohnCorby.VanillaFix", "xen.CommonCameraUtility", "dgarro.CustomShipLogModes" ],
   "conflicts": [ "PacificEngine.OW_CommonResources" ],