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The menu_block_tree_output function now adds the css class 'expanded' to a parent when there is something 'below' even if those items below are hidden which is IMO not correct.
Have you confirmed this behavior in the latest 7.x-2.x-dev version? There's been a lot of bug fixes since 7.x-2.3 was released.
No, this issue is no longer occurring in the latest dev version. Is a new release planned for the near future?
Has this been resolved in 6.x?
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