Multi-stack selectionYou can now add more stacks to your selection by holding ctrl. For example, select this:

Then hold ctrl (or cmd on a mac) and click another stack:

Now you can copy both at once. Together with box selection, this should satisfy all your selecting needs!
Box extensionYou can also extend a selection box to include another brick. For example, click this one:

Then hold ctrl, and click this one:

Your selection box now covers both bricks.

Version 1.4.0• Added multi-stack selection
• Improved placement of ghost selections on ramps
• Support moving ghost selection using New Brick Tool
• Added warning messages when loading a dup with missing prints
• Load/save message no longer shows if loading/saving client is admin
• Severely reduced time wasted while "finding next brick" while planting
• Now requests confirmation before undoing more than 10 bricks at once
• Selection boxes can now be extended by ctrl-clicking a brick to include
• Keybinds can now be changed in options if $Pref::ND::ManualKeybinds is set to 1
• Fixed: Heavy Z-fighting on small selection boxes
• Fixed: Loading events with datablock parameters
• Fixed: Selecting bricks outside the selection box with limited disabled
Use the automatic updater if you can, otherwise download again from the first page.
If the updater does not show an update, run this command: Updater.checkForUpdates();