Ability to add multiple effects

Now that glow, diffusion are available in the effects drop-down, it would be great to have a plus icon to add multiple iterations or variations of effects just like competing products do, non destructively.
Why having to choose between diffusion or glow, etc?

Same with masking effects. Not everything can be applied to mask selections.  There is a limitation on what can be applied to a mask what to the whole image.
Additionally One could create a stack and save as favorite and apply to other images too.