diff --git a/masterlist.yaml b/masterlist.yaml
index 94f67d23..6b919876 100644
--- a/masterlist.yaml
+++ b/masterlist.yaml
@@ -1054,6 +1054,39 @@ plugins:
   - name: 'Navmesh Fixes and Improvements.esm'
     url: [ 'https://www.nexusmods.com/newvegas/mods/62041/' ]
     group: *fixesGroup
+    msg:
+      - <<: *alreadyInX
+        subs: [ '**NavmeshOverhaul.esm**' ]
+        condition: 'active("NavmeshOverhaul.esm")'
+
+  - name: '(NavmeshOverhaul|YUPNavmeshPatch)\.esm'
+    url:
+      - link: 'https://www.nexusmods.com/newvegas/mods/81003/'
+        name: 'Improved AI (Navmesh Overhaul Mod)'
+    group: *fixesGroup
+  - name: 'NavmeshOverhaul.esm'
+    clean:
+      - crc: 0xD72C3602
+        util: 'FNVEdit v4.1.5d'
+  - name: 'YUPNavmeshPatch.esm'
+    msg:
+      - <<: *compatIssuesWithX
+        subs: [ 'Essential Vanilla Enhancements Merged' ]
+        condition: 'active("Vanilla Enhancements.esm")'
+      - <<: *compatIssuesWithX
+        subs: [ 'Functional Post Game Ending' ]
+        condition: 'active("Functional Post Game Ending.esm")'
+      - <<: *compatIssuesWithX
+        subs: [ 'The Living Desert - Travelers Patrols Consequences' ]
+        condition: 'active("TLD_Travelers.esm")'
+      - <<: *compatIssuesWithX
+        subs: [ 'Uncut Wasteland' ]
+        condition: 'active("Uncut Wasteland.esm")'
+    dirty:
+      - <<: *quickClean
+        crc: 0x8D7FEFA6
+        util: '[FNVEdit v4.1.5d](https://www.nexusmods.com/newvegas/mods/34703)'
+        itm: 3448
 
   - name: 'RepairKitFix.esp'
     url: