Indeed you have made a number of changes in a short time. It is difficult to know which change made the difference. Stopping Align, Miralax, Natural Calm and starting a new probiotic - any of these alone or in combination might worst symptoms.
Perhaps you might go back the diet you know was most stable and slowly make changes later.
I notice from you other post about breakfast that the cereal you are eating contains whole grains. Whole grains are high in insoluble fiber. They are known to exacerbate IBS symptoms so you might choose a cereal with more soluble fiber and less insoluble fiber. Have you tried oatmeal? Also, insoluble fiber in fruit is different that the insoluble fiber in whole grains and does cause as much difficulty.
-------------------- STABLE: ♂, IBS-D 50+ years - Science of IBS