diff --git a/src/flecs-cs b/src/flecs-cs
index a204798..fcce562 160000
--- a/src/flecs-cs
+++ b/src/flecs-cs
@@ -1 +1 @@
-Subproject commit a2047983917aa462a8c2f34d5315aea48502f4d8
+Subproject commit fcce5620d21fcd14c79d73a4406db8ce85f53dad
diff --git a/src/gaemstone.ECS/Id.cs b/src/gaemstone.ECS/Id.cs
index 34c9261..bcaaaac 100644
--- a/src/gaemstone.ECS/Id.cs
+++ b/src/gaemstone.ECS/Id.cs
@@ -15,7 +15,7 @@ public unsafe struct Id<TContext>
 	public bool    IsWildcard => Value.IsWildcard;
 
 	public bool IsValid => ecs_id_is_valid(World, this);
-	public bool IsTag   => ecs_id_is_tag(World, this).Data != default;
+	public bool IsTag   => ecs_id_is_tag(World, this);
 	public bool IsInUse => ecs_id_in_use(World, this);
 	public int  Count   => ecs_count_id(World, this);
 
diff --git a/src/gaemstone.ECS/Internal/FlecsBuiltIn.cs b/src/gaemstone.ECS/Internal/FlecsBuiltIn.cs
index 59c623e..436900a 100644
--- a/src/gaemstone.ECS/Internal/FlecsBuiltIn.cs
+++ b/src/gaemstone.ECS/Internal/FlecsBuiltIn.cs
@@ -7,5 +7,5 @@ public static class FlecsBuiltIn
 	public static Entity ChildOf { get; } = new(pinvoke_EcsChildOf());
 
 	// FIXME: Hopefully flecs-cs will expose this one day.
-	public static Entity Disabled { get; } = new(new() { Data = ECS_HI_COMPONENT_ID + 7 });
+	public static Entity Disabled { get; } = new(new() { Data = FLECS_HI_COMPONENT_ID + 7 });
 }
diff --git a/src/gaemstone.ECS/Iterator.cs b/src/gaemstone.ECS/Iterator.cs
index b6e95ed..8249774 100644
--- a/src/gaemstone.ECS/Iterator.cs
+++ b/src/gaemstone.ECS/Iterator.cs
@@ -50,8 +50,8 @@ public enum IteratorFlags : uint
 {
 	/// <summary> Does iterator contain valid result. </summary>
 	IsValid        = EcsIterIsValid,
-	/// <summary> Is iterator filter (metadata only). </summary>
-	IsFilter       = EcsIterIsFilter,
+	/// <summary> Does iterator provide (component). </summary>
+	NoData         = EcsIterNoData,
 	/// <summary> Is iterator instanced. </summary>
 	IsInstanced    = EcsIterIsInstanced,
 	/// <summary> Does result have shared terms. </summary>
@@ -64,8 +64,12 @@ public enum IteratorFlags : uint
 	NoResults      = EcsIterNoResults,
 	/// <summary> Only evaluate non-this terms. </summary>
 	IgnoreThis     = EcsIterIgnoreThis,
-
+	/// <summary> Does iterator have conditionally set fields. </summary>
 	MatchVar       = EcsIterMatchVar,
+	/// <summary>  </summary>
+	HasCondSet     = EcsIterHasCondSet,
+	/// <summary> Profile iterator performance. </summary>
+	Profile        = EcsIterProfile,
 }
 
 public class Variable
diff --git a/src/gaemstone.ECS/Term.cs b/src/gaemstone.ECS/Term.cs
index ef794ad..79b174a 100644
--- a/src/gaemstone.ECS/Term.cs
+++ b/src/gaemstone.ECS/Term.cs
@@ -90,19 +90,23 @@ public class TermId
 public enum TermTraversalFlags : uint
 {
 	/// <summary> Match on self. </summary>
-	Self       = EcsSelf,
+	Self        = EcsSelf,
 	/// <summary> Match by traversing upwards. </summary>
-	Up         = EcsUp,
+	Up          = EcsUp,
 	/// <summary> Match by traversing downwards (derived, cannot be set). </summary>
-	Down       = EcsDown,
+	Down        = EcsDown,
+	/// <summary> Match all entities encountered through traversal. </summary>
+	TraverseAll = EcsTraverseAll,
 	/// <summary> Sort results breadth first. </summary>
-	Cascade    = EcsCascade,
+	Cascade     = EcsCascade,
 	/// <summary> Short for up(ChildOf). </summary>
-	Parent     = EcsParent,
+	Parent      = EcsParent,
 	/// <summary> Term id is a variable. </summary>
-	IsVariable = EcsIsVariable,
+	IsVariable  = EcsIsVariable,
 	/// <summary> Term id is an entity. </summary>
-	IsEntity   = EcsIsEntity,
-	/// <summary> Prevent observer from triggering on term. </summary>
-	Filter     = EcsFilter,
+	IsEntity    = EcsIsEntity,
+	/// <summary> Term id is a name (don't attempt to lookup as entity). </summary>
+	IsName      = EcsIsName,
+	/// <summary> revent observer from triggering on term. </summary>
+	Filter      = EcsFilter,
 }