From 27806651b443feea2ade76de2a3198618b061420 Mon Sep 17 00:00:00 2001
From: PaddleStroke <pierrelouis.boyer@gmail.com>
Date: Tue, 23 Sep 2025 16:05:40 +0200
Subject: [PATCH] Assembly: Fix subassembly linkgroups not moving with dragger

---
 src/Mod/Assembly/Gui/ViewProviderAssembly.cpp | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp b/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp
index 66b83809f7..ded0760124 100644
--- a/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp
+++ b/src/Mod/Assembly/Gui/ViewProviderAssembly.cpp
@@ -766,7 +766,18 @@ void ViewProviderAssembly::collectMovableObjects(App::DocumentObject* selRoot,
         for (auto* child : children) {
             // Recurse on children, appending the child's name to the subName prefix
             std::string newSubNamePrefix = subNamePrefix + child->getNameInDocument() + ".";
-            collectMovableObjects(selRoot, newSubNamePrefix, child, onlySolids);
+            if (child->isDerivedFrom<App::Link>() && child->isLinkGroup()) {
+                auto* link = static_cast<App::Link*>(child);
+                std::vector<App::DocumentObject*> elts = link->ElementList.getValues();
+                for (auto* elt : elts) {
+                    std::string eltSubNamePrefix =
+                        newSubNamePrefix + elt->getNameInDocument() + ".";
+                    collectMovableObjects(selRoot, eltSubNamePrefix, elt, onlySolids);
+                }
+            }
+            else {
+                collectMovableObjects(selRoot, newSubNamePrefix, child, onlySolids);
+            }
         }
         return;
     }