Newly created attrui objects size is too small: the values are not visible most of the time and you should resize each attrui object manually after creation before you can use it.
Here is a screenshot to illustrate the issue:
There are two possible solutions for this issue (as far as can see):
1. Make the default size of newly created attrui objects a bit larger
2. Set a divider exactly to the attribute name width. This may solve the issue for most of the attrui objects, look at the screenshot: