diff --git a/Lidgren.Network/Lidgren.Network b/Lidgren.Network/Lidgren.Network
index 9ba5bc34b..13bd6f1ad 160000
--- a/Lidgren.Network/Lidgren.Network
+++ b/Lidgren.Network/Lidgren.Network
@@ -1 +1 @@
-Subproject commit 9ba5bc34b7b00dc126dee34e825dbd58c44aebaf
+Subproject commit 13bd6f1ad25d6b5652ee00b18be7a51f21d3b9e8
diff --git a/RELEASE-NOTES.md b/RELEASE-NOTES.md
index fe80cc17b..cb3aa27b1 100644
--- a/RELEASE-NOTES.md
+++ b/RELEASE-NOTES.md
@@ -15,7 +15,7 @@ Template for new versions:
 
 ### Bugfixes
 
-* Made entity deletion more resilient against exceptions. Should fix several bugs.
+*None yet*
 
 ### Other
 
@@ -27,6 +27,27 @@ Template for new versions:
 
 -->
 
+## Master
+
+### Breaking changes
+
+*None yet*
+
+### New features
+
+* Fixes for compiling & running on .NET 7. You'll still have to edit a bunch of project files to enable this though.
+
+### Bugfixes
+
+*None yet*
+
+### Other
+
+*None yet*
+
+### Internal
+
+*None yet*
 
 ## 0.62.1.0
 
@@ -102,7 +123,7 @@ Template for new versions:
 
 ### Internal
 
-* Removed redundant grid-init physics logic 
+* Removed redundant grid-init physics logic
 * Modified garbage collection for entity spawning profiling.
 
 ## 0.59.0.0
diff --git a/Robust.Shared/ContentPack/Sandbox.yml b/Robust.Shared/ContentPack/Sandbox.yml
index 50589d4b0..2d74fbb83 100644
--- a/Robust.Shared/ContentPack/Sandbox.yml
+++ b/Robust.Shared/ContentPack/Sandbox.yml
@@ -465,6 +465,7 @@ Types:
     AsyncVoidMethodBuilder: { All: True }
     CallerArgumentExpressionAttribute: { All: True }
     CompilationRelaxationsAttribute: { All: True }
+    CompilerFeatureRequiredAttribute: { All: True }
     CompilerGeneratedAttribute: { All: True }
     DefaultInterpolatedStringHandler: { All: True }
     ExtensionAttribute: { All: True }
diff --git a/Robust.Shared/Physics/Collision/DistanceProxy.cs b/Robust.Shared/Physics/Collision/DistanceProxy.cs
index f48281d22..7e57df186 100644
--- a/Robust.Shared/Physics/Collision/DistanceProxy.cs
+++ b/Robust.Shared/Physics/Collision/DistanceProxy.cs
@@ -192,7 +192,7 @@ namespace Robust.Shared.Physics.Collision
         public Vector2 WB;
     }
 
-    internal ref struct Simplex
+    internal struct Simplex
     {
         // Made it a class from a struct as it seemed silly to be a struct considering it's being mutated constantly.