Support for multiple sub lanes on the same level on a board (horizontally/vertically)
When desgning a board it would be good if it would be possible to add multiple horizontal/vertical lanes on the same level.
Example: If you make a horizontal split of a lane (i.e. level 1) you get two new sub lanes at level 2, but then you can’t add any more horizontal sub lanes at level 2 (max is two). The Horizontal/Vertical Split is not available at level 1 anymore. Adding this feature would result in the creation of more complex board (both horizontally and vertically at all levels).

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Arno commented
Hi I am also struggling. The split icon is gone from the top level. What is possible to add siblings of siblings. But I would like more then 2 lanes in one column?