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Update 12: 10/25/17

Update 12: Shields

-added damage absorbing shields in addition to regular health attributes for all units and structures
-shield bars and related icons are now cyan colored, while energy bars are magenta colored
-adjusted damage formulas to rebalance fighters vs heavy weapons
-numerous other balancing changes to units and campaign missions in response to the addition of shield healthbars
-enemy starting shield health during the campaign depends on difficulty level (0,50%, 100%)
-added new flagship ability module: Shield Recharge module
-improved unit and action panels to display a scrolling list of all selected unit types
-GUI buttons in scroll panels can no longer be clicked when the mouse is outside of the scroll panel
-fixed bug where guided rockets would ignore the unit's manually given targets
-move in formation orders now only limit unit speed if all selected units are moving (allows for rotating formations more quickly)
-fixed bug where turrets could retain power after the connected Command Center was destroyed
-fixed bug where tractor beams could pull small moons
-added text explaining "move in formation" orders to the tutorial campaign and tutorial 3
-various optimizations for better performance

More details at:
http://galdorstudios.com/devlog/2017/10/26/shields-and-other-changes/