Merge branch 'cherry_pick_to_release_v2.1' into 'release/v2.1'

Update release/v2.1 with some bug fixes

See merge request !952

examples/get-started/blink/main/blink.c

@@ -40,5 +40,5 @@ void blink_task(void *pvParameter)
 
 void app_main()
 {
-    xTaskCreate(&blink_task, "blink_task", 512, NULL, 5, NULL);
+    xTaskCreate(&blink_task, "blink_task", configMINIMAL_STACK_SIZE, NULL, 5, NULL);
 }