Pins alerts as they are raised and leaves them standing until you take them down, so that trouble which happened while you were looking elsewhere is still there to find afterwards. Alerts are grouped into separate incidents by place and time, so trouble in three places is three pins rather than one. Each player chooses which alert types get pinned.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
Lets you set a machine, or a machine ghost, to a recipe you have not researched yet. The machine holds the recipe and waits, the same way it does when a blueprint places one, and starts working the moment the research is done. The unresearched recipes are listed in a panel beside the usual recipe selection, which you can show or hide.
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.