diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 27f8acf..72769da 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -1066,6 +1066,13 @@ jobs:
           make NOOPT=true SKIP_STRIPPING=true -j $(nproc)
       - name: Run Cardinal self-tests
         run: |
+          #xvfb-run valgrind \
+                #--gen-suppressions=all \
+                #--exit-on-first-error=yes \
+                #--error-exitcode=255 \
+                #--leak-check=no \
+                #--track-origins=yes \
+                #--suppressions=./dpf/utils/valgrind-dpf.supp
           xvfb-run ./bin/Cardinal selftest
       - name: Validate LV2 ttl syntax
         run: |
@@ -1082,7 +1089,7 @@ jobs:
           cp -r bin/CardinalFX.lv2 bin/CardinalSynth.lv2 \
               /usr/lib/lv2/{atom,buf-size,core,data-access,kx-control-input-port-change-request,kx-programs,instance-access,midi,mod,parameters,port-groups,port-props,options,patch,presets,resize-port,state,time,ui,units,urid,worker}.lv2 \
               ${LV2_PATH}
-          lv2lint -s lv2_generate_ttl -l ld-linux-x86-64.so.2 -M nopack $(lv2ls)
+          xvfb-run lv2lint -s lv2_generate_ttl -l ld-linux-x86-64.so.2 -M nopack $(lv2ls)
       - name: Test LV2 plugin
         run: |
             export LV2_PATH=/tmp/lv2-path
diff --git a/dpf b/dpf
index 71b1797..7b8eefb 160000
--- a/dpf
+++ b/dpf
@@ -1 +1 @@
-Subproject commit 71b17971f63dc9def67faea500dcbaced979efb4
+Subproject commit 7b8eefb59f62dd51e08cdda5c33478781eccb072
diff --git a/plugins/Bidoo b/plugins/Bidoo
index 5d2f572..b88130f 160000
--- a/plugins/Bidoo
+++ b/plugins/Bidoo
@@ -1 +1 @@
-Subproject commit 5d2f5721e2701f747d0410fc407e6b1e782f16dc
+Subproject commit b88130f6b6311c8cd58669c20cc9842f2ea81575
diff --git a/src/CardinalUI.cpp b/src/CardinalUI.cpp
index 425975c..667fef6 100644
--- a/src/CardinalUI.cpp
+++ b/src/CardinalUI.cpp
@@ -469,38 +469,44 @@ public:
             const ScopedContext sc(this);
 
             context->patch->clear();
-            context->window->step();
             app.idle();
 
             const rack::math::Vec mousePos(getWidth()/2,getHeight()/2);
             context->event->handleButton(mousePos, GLFW_MOUSE_BUTTON_LEFT, GLFW_RELEASE, 0x0);
             context->event->handleHover(mousePos, rack::math::Vec(0,0));
-            context->window->step();
             app.idle();
 
             for (rack::plugin::Plugin* p : rack::plugin::plugins)
             {
                 for (rack::plugin::Model* m : p->models)
                 {
+                    d_stdout(">>>>>>>>>>>>>>>>> LOADING module %s : %s", p->slug.c_str(), m->slug.c_str());
                     rack::engine::Module* const module = m->createModule();
                     DISTRHO_SAFE_ASSERT_CONTINUE(module != nullptr);
 
                     rack::CardinalPluginModelHelper* const helper = dynamic_cast<rack::CardinalPluginModelHelper*>(m);
                     DISTRHO_SAFE_ASSERT_CONTINUE(helper != nullptr);
 
+                    d_stdout(">>>>>>>>>>>>>>>>> LOADING moduleWidget %s : %s", p->slug.c_str(), m->slug.c_str());
                     rack::app::ModuleWidget* const moduleWidget = helper->createModuleWidget(module);
                     DISTRHO_SAFE_ASSERT_CONTINUE(moduleWidget != nullptr);
 
+                    d_stdout(">>>>>>>>>>>>>>>>> ADDING TO ENGINE %s : %s", p->slug.c_str(), m->slug.c_str());
                     context->engine->addModule(module);
+
+                    d_stdout(">>>>>>>>>>>>>>>>> ADDING TO RACK VIEW %s : %s", p->slug.c_str(), m->slug.c_str());
                     context->scene->rack->addModuleAtMouse(moduleWidget);
 
                     for (int i=5; --i>=0;)
                         app.idle();
 
+                    d_stdout(">>>>>>>>>>>>>>>>> REMOVING FROM RACK VIEW %s : %s", p->slug.c_str(), m->slug.c_str());
                     context->scene->rack->removeModule(moduleWidget);
-                    context->engine->removeModule(module);
-                    context->window->step();
-                    delete module;
+                    app.idle();
+
+                    d_stdout(">>>>>>>>>>>>>>>>> DELETING module + moduleWidget %s : %s", p->slug.c_str(), m->slug.c_str());
+                    delete moduleWidget;
+
                     app.idle();
                 }
             }