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Use Ctrl + Click to copy a connection from an input to another input.
Connection Wire Follows Single Click without needing to hold down
You can now create/discard new connections with two clicks - no need to click and drag anymore. This makes it easier to pan and zoom as necessary if your new connection has far to travel.
Left click on a port to start a connection from it. Left click again to either discard the connection (click on empty space) or complete the connection (click on a compatible port).
You can also discard the connection using the ESC key or with a right click
If you are more comfortable clicking and dragging, this still works as before.
Insert Node Into Chain
This feature allows users to quickly insert pre-connected nodes to the node graph from the quick add menu based on a selected node or wire. Depending on the state of the graph and what is selected upon inserting from the quick add menu, a number of different behaviors are expected to handle various edge cases.
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