Not dislpayed text headers only tree building

Oh, yes. Its option worked. But, it would be better to use for cutting the characters function mb_substr.
And why does not works the option “Sticky widget”?

I fixed both bugs, could you update to 1.2.1 and try checking sticky widget?

Is sticky widget working now?

Sticky widget is works, but not correct – box is fixed sooner than necessary and not smoothly. See for yourself at the link above.

I tested with several widgets combinations, and works fine. Would you mind deactivating one by one the other widgets, to check if any of them causes the problem?

That is, you do not have such jumps on scroll?

No.. i don’t. Could you try deactivating one by one the other widgets, to check if any of them causes the problem? Or test my plugin in a fresh test wordpress installation to check if the problem remains?