diff --git a/src/common/styles.c b/src/common/styles.c
index 6a631d1434c7..8f3bcfe377ff 100644
--- a/src/common/styles.c
+++ b/src/common/styles.c
@@ -937,7 +937,6 @@ void dt_styles_apply_to_image(const char *name, const gboolean duplicate, const
 
     /* remove old obsolete thumbnails */
     dt_mipmap_cache_remove(darktable.mipmap_cache, newimgid);
-    dt_image_update_final_size(newimgid);
 
     /* update the aspect ratio. recompute only if really needed for performance reasons */
     if(darktable.collection->params.sort == DT_COLLECTION_SORT_ASPECT_RATIO)
diff --git a/src/develop/develop.c b/src/develop/develop.c
index c50c0e7589ac..d83190ae9049 100644
--- a/src/develop/develop.c
+++ b/src/develop/develop.c
@@ -451,6 +451,7 @@ void dt_dev_process_preview_job(dt_develop_t *dev)
 
   if(buffer) dt_free_align(buffer);
   pipe->running = 0;
+  dt_print(DT_DEBUG_DEV, "[pixelpipe] exiting preview pipe thread\n");
 }
 
 
@@ -578,6 +579,7 @@ void dt_dev_process_image_job(dt_develop_t *dev)
 
   if(buffer) dt_free_align(buffer);
   pipe->running = 0;
+  dt_print(DT_DEBUG_DEV, "[pixelpipe] exiting main image pipe thread\n");
 }
 
 
@@ -616,11 +618,6 @@ static inline int _dt_dev_load_raw(dt_develop_t *dev, const uint32_t imgid)
   return (no_valid_image || no_valid_thumb);
 }
 
-void dt_dev_reload_image(dt_develop_t *dev, const uint32_t imgid)
-{
-  dt_dev_load_image(dev, imgid);
-}
-
 float dt_dev_get_zoom_scale(dt_develop_t *dev, dt_dev_zoom_t zoom, int closeup_factor, int preview)
 {
   float zoom_scale;
@@ -654,16 +651,12 @@ float dt_dev_get_zoom_scale(dt_develop_t *dev, dt_dev_zoom_t zoom, int closeup_f
 
 int dt_dev_load_image(dt_develop_t *dev, const uint32_t imgid)
 {
-  dt_pthread_mutex_lock(&dev->history_mutex);
-
-  if(_dt_dev_load_raw(dev, imgid))
-  {
-    dt_pthread_mutex_unlock(&dev->history_mutex);
-    return 1;
-  }
+  if(_dt_dev_load_raw(dev, imgid)) return 1;
 
   // we need a global lock as the dev->iop set must not be changed until read history is terminated
+  dt_pthread_mutex_lock(&dev->history_mutex);
   dev->iop = dt_iop_load_modules(dev);
+
   dt_dev_read_history_ext(dev, dev->image_storage.id, FALSE);
 
   if(dev->pipe)
diff --git a/src/develop/develop.h b/src/develop/develop.h
index be6f563ac701..5655dd5dd9f6 100644
--- a/src/develop/develop.h
+++ b/src/develop/develop.h
@@ -346,7 +346,6 @@ void dt_dev_refresh_ui_images_real(dt_develop_t *dev);
 #define dt_dev_refresh_ui_images(dev) DT_DEBUG_TRACE_WRAPPER(DT_DEBUG_DEV, dt_dev_refresh_ui_images_real, (dev))
 
 int dt_dev_load_image(dt_develop_t *dev, const uint32_t imgid);
-void dt_dev_reload_image(dt_develop_t *dev, const uint32_t imgid);
 /** checks if provided imgid is the image currently in develop */
 int dt_dev_is_current_image(dt_develop_t *dev, uint32_t imgid);
 
diff --git a/src/iop/demosaic.c b/src/iop/demosaic.c
index 29a211dff730..c533e240ac7a 100644
--- a/src/iop/demosaic.c
+++ b/src/iop/demosaic.c
@@ -1536,13 +1536,6 @@ void gui_changed(dt_iop_module_t *self, GtkWidget *w, void *previous)
   const int mask_bw = dt_image_monochrome_flags(img);
   changed ^= img->flags & DT_IMAGE_MONOCHROME_BAYER;
   dt_image_cache_write_release(darktable.image_cache, img, DT_IMAGE_CACHE_RELAXED);
-  if(changed)
-  {
-    dt_imageio_update_monochrome_workflow_tag(self->dev->image_storage.id, mask_bw);
-    // only done if one of the passthrough monochrome demosaicers has changed
-    // we reload the image so all modules respect this setting
-    dt_dev_reload_image(self->dev, self->dev->image_storage.id);
-  }
 }
 void gui_update(struct dt_iop_module_t *self)
 {
diff --git a/src/views/darkroom.c b/src/views/darkroom.c
index 392e967c8bc2..08ad7865e22f 100644
--- a/src/views/darkroom.c
+++ b/src/views/darkroom.c
@@ -828,6 +828,15 @@ static void _darkroom_ui_apply_style_activate_callback(gchar *name)
 {
   dt_control_log(_("applied style `%s' on current image"), name);
 
+  darktable.develop->exit = 1;
+
+  // Wait for pipelines to return
+  dt_pthread_mutex_lock(&darktable.develop->preview_pipe->busy_mutex);
+  dt_pthread_mutex_unlock(&darktable.develop->preview_pipe->busy_mutex);
+
+  dt_pthread_mutex_lock(&darktable.develop->pipe->busy_mutex);
+  dt_pthread_mutex_unlock(&darktable.develop->pipe->busy_mutex);
+
   /* write current history changes so nothing gets lost */
   dt_dev_write_history(darktable.develop);
 
@@ -835,15 +844,16 @@ static void _darkroom_ui_apply_style_activate_callback(gchar *name)
 
   /* apply style on image and reload*/
   dt_styles_apply_to_image(name, FALSE, FALSE, darktable.develop->image_storage.id);
-  dt_dev_reload_image(darktable.develop, darktable.develop->image_storage.id);
-
-  DT_DEBUG_CONTROL_SIGNAL_RAISE(darktable.signals, DT_SIGNAL_TAG_CHANGED);
 
   /* record current history state : after change (needed for undo) */
   dt_dev_undo_end_record(darktable.develop);
-
   // rebuild the accelerators (style might have changed order)
   dt_iop_connect_accels_all();
+
+  darktable.develop->exit = 0;
+
+  // Recompute the view
+  dt_dev_refresh_ui_images(darktable.develop);
 }
 
 static void _darkroom_ui_apply_style_popupmenu(GtkWidget *w, gpointer user_data)
@@ -2348,6 +2358,13 @@ void leave(dt_view_t *self)
   dt_develop_t *dev = (dt_develop_t *)self->data;
   dev->exit = 1;
 
+  // Wait for pipelines to return
+  dt_pthread_mutex_lock(&dev->preview_pipe->busy_mutex);
+  dt_pthread_mutex_unlock(&dev->preview_pipe->busy_mutex);
+
+  dt_pthread_mutex_lock(&dev->pipe->busy_mutex);
+  dt_pthread_mutex_unlock(&dev->pipe->busy_mutex);
+
   dt_iop_color_picker_cleanup();
   if(darktable.lib->proxy.colorpicker.picker_proxy)
     dt_iop_color_picker_reset(darktable.lib->proxy.colorpicker.picker_proxy->module, FALSE);