SVG-animation of css-attribute doesn't work

[janstieler]

Hi,
I have a svg-element where I set starting attributes through css like height: 0 to override the attributes in the svg-elements.
But if I try than to animate with velocity the height it doesn't work.

Here is a JsBin: https://jsbin.com/firetuh/25/edit?html,css,js,output
The animation code is

    setTimeout(function() {
        console.log('#connector01 was started');
        $('#connector01').velocity({height: 250}, 1500);
    }, 500);

There should now animate a black line on the green circle.
If I delete the height: 0 from '#connector01 in the CSS it works.

Edit:
I found that issue here: #565
Does this mean that it is not possible to override svg-attributes with css and animate it?
And which attributes are not possible to overide and animatable?

Cheers