Outer Glow effect render problem

[voidsea]

I'm using the Outer Glow effect to create solid outline for GIF sprites by increasing the Intensity.

(Outline effect is not an option since it can't create solid pixels.)

 

Here is a test file: test.afdesign

(I applied the effect to layers to better demostrate the problem.)

 

But the output result is missing border pixels like below: (Pixel view mode 3x)

The result is not smooth.

 

And what's terrible is the Pixel view in 2x:

The render result is a blurry mess to work with.