diff --git a/opennurbs_brep_tools.cpp b/opennurbs_brep_tools.cpp
index cd00d5bf..0b0c0dcb 100644
--- a/opennurbs_brep_tools.cpp
+++ b/opennurbs_brep_tools.cpp
@@ -2528,12 +2528,24 @@ bool ON_Brep::MatchTrimEnds(ON_BrepTrim& T0,
   if (!nc0->SetEndPoint(ON_3dPoint(p)))
     return false;
 
+  ON_BrepLoop* pLoop = T0.Loop();
+  if (pLoop && pLoop != T1.Loop())
+    pLoop = nullptr;
+
   // clean up T1 flags and cached information
   if(xiso0 && p0.x != p.x) T0.m_iso = ON_Surface::not_iso;
   if(yiso0 && p0.y != p.y) T0.m_iso = ON_Surface::not_iso;
   T0.m_pline.Destroy();
-  if ( T0.m_pbox.IsValid() )
-    T0.m_pbox.Set( ON_3dPoint(p), true );
+
+  if ( T0.m_pbox.IsValid())
+  {
+    T0.m_pbox.Set( ON_3dPoint(p), true);
+
+    if (pLoop && pLoop->m_pbox.IsValid())
+    {
+      pLoop->m_pbox.Set(ON_3dPoint(p), true);
+    }
+  }
   T0.DestroyCurveTree();
 
   if (!nc1->SetStartPoint(ON_3dPoint(p)))
@@ -2543,8 +2555,15 @@ bool ON_Brep::MatchTrimEnds(ON_BrepTrim& T0,
   if(xiso1 && p1.x != p.x) T1.m_iso = ON_Surface::not_iso;
   if(yiso1 && p1.y != p.y) T1.m_iso = ON_Surface::not_iso;
   T1.m_pline.Destroy();
-  if ( T1.m_pbox.IsValid() )
-    T1.m_pbox.Set( ON_3dPoint(p), true );
+  if ( T1.m_pbox.IsValid())
+  {
+    T1.m_pbox.Set( ON_3dPoint(p), true);
+
+    if (pLoop && pLoop->m_pbox.IsValid())
+    {
+      pLoop->m_pbox.Set(ON_3dPoint(p), true);
+    }
+  }
   T1.DestroyCurveTree();
 
   return true;
diff --git a/opennurbs_public_version.h b/opennurbs_public_version.h
index a4f99228..55d4ad6e 100644
--- a/opennurbs_public_version.h
+++ b/opennurbs_public_version.h
@@ -15,8 +15,8 @@
 //
 #define RMA_VERSION_YEAR   2024
 #define RMA_VERSION_MONTH  6
-#define RMA_VERSION_DATE   2
-#define RMA_VERSION_HOUR   11
+#define RMA_VERSION_DATE   14
+#define RMA_VERSION_HOUR   15
 #define RMA_VERSION_MINUTE 0
 
 ////////////////////////////////////////////////////////////////
@@ -35,8 +35,8 @@
 //     3 = build system release build
 #define RMA_VERSION_BRANCH 0
 
-#define VERSION_WITH_COMMAS  8,8,24154,11000
-#define VERSION_WITH_PERIODS 8.8.24154.11000
+#define VERSION_WITH_COMMAS  8,8,24166,15000
+#define VERSION_WITH_PERIODS 8.8.24166.15000
 #define COPYRIGHT "Copyright (C) 1993-2024, Robert McNeel & Associates. All Rights Reserved."
 #define SPECIAL_BUILD_DESCRIPTION "Public OpenNURBS C++ 3dm file IO library."
 
@@ -47,8 +47,8 @@
 #define RMA_VERSION_NUMBER_SR_STRING   "SR8"
 #define RMA_VERSION_NUMBER_SR_WSTRING L"SR8"
 
-#define RMA_VERSION_WITH_PERIODS_STRING   "8.8.24154.11000"
-#define RMA_VERSION_WITH_PERIODS_WSTRING L"8.8.24154.11000"
+#define RMA_VERSION_WITH_PERIODS_STRING   "8.8.24166.15000"
+#define RMA_VERSION_WITH_PERIODS_WSTRING L"8.8.24166.15000"