diff --git a/ModuleManager/CustomConfigsManager.cs b/ModuleManager/CustomConfigsManager.cs
index e2b8689c..d7444363 100644
--- a/ModuleManager/CustomConfigsManager.cs
+++ b/ModuleManager/CustomConfigsManager.cs
@@ -16,16 +16,6 @@ internal void Start()
                 Log("Setting modded tech tree as the active one");
                 HighLogic.CurrentGame.Parameters.Career.TechTreeUrl = techTreeFile;
             }
-
-            if (PhysicsGlobals.PhysicsDatabaseFilename != physicsFile && File.Exists(physicsPath))
-            {
-                Log("Setting modded physics as the active one");
-
-                PhysicsGlobals.PhysicsDatabaseFilename = physicsFile;
-
-                if (!PhysicsGlobals.Instance.LoadDatabase())
-                    Log("Something went wrong while setting the active physics config.");
-            }
         }
 
         public static void Log(String s)
diff --git a/ModuleManager/MMPatchLoader.cs b/ModuleManager/MMPatchLoader.cs
index 61d993a3..5278758b 100644
--- a/ModuleManager/MMPatchLoader.cs
+++ b/ModuleManager/MMPatchLoader.cs
@@ -231,6 +231,9 @@ public IEnumerable<IProtoUrlConfig> Run()
                 }
             }
 
+            if (KSP.Localization.Localizer.Instance != null)
+                KSP.Localization.Localizer.SwitchToLanguage(KSP.Localization.Localizer.CurrentLanguage);
+
             logger.Info(status + "\n" + errors);
 
             patchSw.Stop();
@@ -564,7 +567,7 @@ private void StatusUpdate(IPatchProgress progress, string activity = null)
         #region Applying Patches
 
         // Name is group 1, index is group 2, vector related filed is group 3, vector separator is group 4, operator is group 5
-        private static readonly Regex parseValue = new Regex(@"([\w\&\-\.\?\*+/^!\(\) ]+(?:,[^*\d][\w\&\-\.\?\*\(\) ]*)*)(?:,(-?[0-9\*]+))?(?:\[((?:[0-9\*]+)+)(?:,(.))?\])?");
+        private static readonly Regex parseValue = new Regex(@"([\w\&\-\.\?\*\#+/^!\(\) ]+(?:,[^*\d][\w\&\-\.\?\*\(\) ]*)*)(?:,(-?[0-9\*]+))?(?:\[((?:[0-9\*]+)+)(?:,(.))?\])?");
 
         // ModifyNode applies the ConfigNode mod as a 'patch' to ConfigNode original, then returns the patched ConfigNode.
         // it uses FindConfigNodeIn(src, nodeType, nodeName, nodeTag) to recurse.
@@ -1548,7 +1551,7 @@ public static bool CheckConstraints(ConfigNode node, string constraints)
                 string remainingConstraints = "";
                 if (constraints.Contains(":HAS[", out int hasStart))
                 {
-                    hasStart += 4;
+                    hasStart += 5;
                     remainingConstraints = constraints.Substring(hasStart, constraintList[0].LastIndexOf(']') - hasStart);
                     constraints = constraints.Substring(0, hasStart - 5);
                 }
@@ -1712,19 +1715,26 @@ public static ConfigNode FindConfigNodeIn(
             string nodeName = null,
             int index = 0)
         {
-            ConfigNode[] nodes = src.GetNodes(nodeType);
-            if (nodes.Length == 0)
+            List<ConfigNode> nodes = new List<ConfigNode>();
+            int c = src.nodes.Count;
+            for(int i = 0; i < c; ++i)
+            {
+                if (WildcardMatch(src.nodes[i].name, nodeType))
+                    nodes.Add(src.nodes[i]);
+            }
+            int nodeCount = nodes.Count;
+            if (nodeCount == 0)
                 return null;
             if (nodeName == null)
             {
                 if (index >= 0)
-                    return nodes[Math.Min(index, nodes.Length - 1)];
-                return nodes[Math.Max(0, nodes.Length + index)];
+                    return nodes[Math.Min(index, nodeCount - 1)];
+                return nodes[Math.Max(0, nodeCount + index)];
             }
             ConfigNode last = null;
             if (index >= 0)
             {
-                for (int i = 0; i < nodes.Length; ++i)
+                for (int i = 0; i < nodeCount; ++i)
                 {
                     if (nodes[i].HasValue("name") && WildcardMatch(nodes[i].GetValue("name"), nodeName))
                     {
@@ -1735,7 +1745,7 @@ public static ConfigNode FindConfigNodeIn(
                 }
                 return last;
             }
-            for (int i = nodes.Length - 1; i >= 0; --i)
+            for (int i = nodeCount - 1; i >= 0; --i)
             {
                 if (nodes[i].HasValue("name") && WildcardMatch(nodes[i].GetValue("name"), nodeName))
                 {
diff --git a/ModuleManager/PostPatchLoader.cs b/ModuleManager/PostPatchLoader.cs
index 619f09d0..1bccce78 100644
--- a/ModuleManager/PostPatchLoader.cs
+++ b/ModuleManager/PostPatchLoader.cs
@@ -130,6 +130,8 @@ private IEnumerator Run()
             logger.Info("Reloading Part Upgrades");
             PartUpgradeManager.Handler.FillUpgrades();
 
+            LoadModdedPhysics();
+
             yield return null;
 
             progressTitle = "ModuleManager: Running post patch callbacks";
@@ -209,5 +211,21 @@ private IEnumerator Run()
 
             ready = true;
         }
+
+        private void LoadModdedPhysics()
+        {
+            if (!File.Exists(physicsPath))
+            {
+                logger.Error("Physics file not found");
+                return;
+            }
+
+            logger.Info("Setting modded physics as the active one");
+
+            PhysicsGlobals.PhysicsDatabaseFilename = physicsPath;
+
+            if (!PhysicsGlobals.Instance.LoadDatabase())
+                logger.Error("Something went wrong while setting the active physics config.");
+        }
     }
 }
diff --git a/ModuleManager/Properties/AssemblyInfo.cs b/ModuleManager/Properties/AssemblyInfo.cs
index fba8c4bf..12a660e1 100644
--- a/ModuleManager/Properties/AssemblyInfo.cs
+++ b/ModuleManager/Properties/AssemblyInfo.cs
@@ -17,7 +17,7 @@
 // The form "{Major}.{Minor}.*" will automatically update the build and revision,
 // and "{Major}.{Minor}.{Build}.*" will update just the revision.
 
-[assembly: AssemblyVersion("4.1.4")]
+[assembly: AssemblyVersion("4.2.3")]
 [assembly: KSPAssembly("ModuleManager", 2, 5)]
 
 // The following attributes are used to specify the signing key for the assembly, 
diff --git a/ModuleManager/Utils/FileUtils.cs b/ModuleManager/Utils/FileUtils.cs
index 818d3cc6..fcf04482 100644
--- a/ModuleManager/Utils/FileUtils.cs
+++ b/ModuleManager/Utils/FileUtils.cs
@@ -12,7 +12,7 @@ public static string FileSHA(string filename)
             if (!File.Exists(filename)) throw new FileNotFoundException("File does not exist", filename);
 
             using SHA256 sha = SHA256.Create();
-            using FileStream fs = File.Open(filename, FileMode.Open, FileAccess.Read);
+            using FileStream fs = File.Open(filename, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
             byte[] data = sha.ComputeHash(fs);
 
             return data.ToHex();