KineticJS 5.1.0 Filters make images blurry (no problems with KineticJS 4.5.2)

[confile]

I compared the filters of both versions. The filter function in KineticJS 5.1.0 make the image blurry.

See this screen shot below:

Here is a JSFiddle I made: http://jsfiddle.net/confile/2u3kh108/