diff --git a/source/blender/blenkernel/BKE_global.h b/source/blender/blenkernel/BKE_global.h
index 593b4afb85c..2d30844af80 100644
--- a/source/blender/blenkernel/BKE_global.h
+++ b/source/blender/blenkernel/BKE_global.h
@@ -119,7 +119,8 @@ enum {
 	G_DEBUG_FFMPEG =    (1 << 1),
 	G_DEBUG_PYTHON =    (1 << 2), /* extra python info */
 	G_DEBUG_EVENTS =    (1 << 3), /* input/window/screen events */
-	G_DEBUG_WM =        (1 << 4)  /* operator, undo */
+	G_DEBUG_WM =        (1 << 4), /* operator, undo */
+	G_DEBUG_JOBS =      (1 << 5)  /* jobs time profiling */
 };
 
 #define G_DEBUG_ALL  (G_DEBUG | G_DEBUG_FFMPEG | G_DEBUG_PYTHON | G_DEBUG_EVENTS | G_DEBUG_WM)
diff --git a/source/blender/editors/mesh/editmesh_loopcut.c b/source/blender/editors/mesh/editmesh_loopcut.c
index 15e3033b7eb..eb2aabd88b8 100644
--- a/source/blender/editors/mesh/editmesh_loopcut.c
+++ b/source/blender/editors/mesh/editmesh_loopcut.c
@@ -313,10 +313,13 @@ static void ringsel_finish(bContext *C, wmOperator *op)
 		edgering_sel(lcd, cuts, 1);
 		
 		if (lcd->do_cut) {
+			/* Enable gridfill, so that intersecting loopcut works as one would expect.
+			 * Note though that it will break edgeslide in this specific case.
+			 * See [#31939]. */
 			BM_mesh_esubdivide(em->bm, BM_ELEM_SELECT,
 			                   0.0f, 0.0f, 0.0f,
 			                   cuts,
-			                   SUBDIV_SELECT_LOOPCUT, SUBD_PATH, 0, FALSE, 0);
+			                   SUBDIV_SELECT_LOOPCUT, SUBD_PATH, 0, TRUE, 0);
 
 			/* force edge slide to edge select mode in in face select mode */
 			if (em->selectmode & SCE_SELECT_FACE) {
@@ -336,7 +339,8 @@ static void ringsel_finish(bContext *C, wmOperator *op)
 			DAG_id_tag_update(lcd->ob->data, 0);
 		}
 		else {
-			
+			/* XXX Is this piece of code ever used now? Simple loop select is now
+			 *     in editmesh_select.c (around line 1000)... */
 			/* sets as active, useful for other tools */
 			if (em->selectmode & SCE_SELECT_VERTEX)
 				BM_select_history_store(em->bm, lcd->eed->v1);  /* low priority TODO, get vertrex close to mouse */
diff --git a/source/blender/windowmanager/intern/wm_jobs.c b/source/blender/windowmanager/intern/wm_jobs.c
index 73f59a5fbae..bd7b4694471 100644
--- a/source/blender/windowmanager/intern/wm_jobs.c
+++ b/source/blender/windowmanager/intern/wm_jobs.c
@@ -54,7 +54,7 @@
 #include "wm_event_types.h"
 #include "wm.h"
 
-
+#include "PIL_time.h"
 
 /* ********************** Threaded Jobs Manager ****************************** */
 
@@ -127,6 +127,7 @@ struct wmJob {
 	/* we use BLI_threads api, but per job only 1 thread runs */
 	ListBase threads;
 
+	double start_time;
 };
 
 /* finds:
@@ -343,6 +344,9 @@ void WM_jobs_start(wmWindowManager *wm, wmJob *steve)
 			/* restarted job has timer already */
 			if (steve->wt == NULL)
 				steve->wt = WM_event_add_timer(wm, steve->win, TIMERJOBS, steve->timestep);
+
+			if (G.debug & G_DEBUG_JOBS)
+				steve->start_time = PIL_check_seconds_timer();
 		}
 		else printf("job fails, not initialized\n");
 	}
@@ -465,6 +469,11 @@ void wm_jobs_timer(const bContext *C, wmWindowManager *wm, wmTimer *wt)
 					// if (steve->stop) printf("job ready but stopped %s\n", steve->name);
 					// else printf("job finished %s\n", steve->name);
 
+					if (G.debug & G_DEBUG_JOBS) {
+						printf("Job '%s' finished in %f seconds\n", steve->name,
+						       PIL_check_seconds_timer() - steve->start_time);
+					}
+
 					steve->running = 0;
 					BLI_end_threads(&steve->threads);
 					
diff --git a/source/creator/creator.c b/source/creator/creator.c
index 713c9220fd7..8c9cc45a050 100644
--- a/source/creator/creator.c
+++ b/source/creator/creator.c
@@ -1144,6 +1144,7 @@ static void setupArguments(bContext *C, bArgs *ba, SYS_SystemHandle *syshandle)
 #endif
 
 	BLI_argsAdd(ba, 1, NULL, "--debug-value", "<value>\n\tSet debug value of <value> on startup\n", set_debug_value, NULL);
+	BLI_argsAdd(ba, 1, NULL, "--debug-jobs",  "\n\tEnable time profiling for background jobs.", debug_mode_generic, (void *)G_DEBUG_JOBS);
 
 	BLI_argsAdd(ba, 1, NULL, "--verbose", "<verbose>\n\tSet logging verbosity level.", set_verbosity, NULL);