Dear all, i'm trying to searh this problem, but seem i can not find it.
When i add a blur of shape, the result is like below, how to fix this? thanks.
Go to Effects > Document Raster Effects Settings and increase the space Around object
Good to hear that helped.
If anyone coming accross this finds this option a strange necessity, please take a look here and vote:
Thanks, i have voted it there. I'm not sure Adobe will read your vote.
The developers certainly read them. They can only prioritise those that gain more votes, however.