Why Filters Are Gone
In previous versions of Illustrator, users were given the choice of adding shadows, glows, feathers, and other visual adornments to objects with Filters or Effects. Because of the redundancy—for example, both features offered a Drop Shadow option—users were understandably confused: Which was the best method?
Filters created literal content: For example, the Drop Shadow filter generated the shadow as an embedded image. The Zig Zag filter repositioned points on the object and added new points, permanently altering the shape of the object.
By contrast, effects are live appearances, not literal content: No pixels are generated by the Drop Shadow effect until the Illustrator file is printed (that is, when a print stream is generated ...
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