Merge branch 'blender-v2.92-release'

source/blender/blenkernel/intern/scene.c

@@ -167,6 +167,8 @@ static void scene_init_data(ID *id)
                      &gp_primitive_curve->clipr,
                      CURVE_PRESET_BELL,
                      CURVEMAP_SLOPE_POSITIVE);
+  /* Grease pencil interpolate. */
+  scene->toolsettings->gp_interpolate.step = 1;
 
   scene->unit.system = USER_UNIT_METRIC;
   scene->unit.scale_length = 1.0f;

source/blender/draw/engines/gpencil/gpencil_engine.c

@@ -629,6 +629,14 @@ void GPENCIL_cache_populate(void *ved, Object *ob)
       }
     }
 
+    /* When render in background the active frame could not be properly set due thread priority
+     * better set again. This is not required in viewport. */
+    if (txl->render_depth_tx) {
+      LISTBASE_FOREACH (bGPDlayer *, gpl, &gpd->layers) {
+        gpl->actframe = BKE_gpencil_layer_frame_get(gpl, pd->cfra, GP_GETFRAME_USE_PREV);
+      }
+    }
+
     BKE_gpencil_visible_stroke_iter(is_final_render ? pd->view_layer : NULL,
                                     ob,
                                     gpencil_layer_cache_populate,