WHoward69's UI - Upgrade Tree mod, updated to work with EUI as well as the unmodified game.
It is now accessed via this new button in the diploCorner:
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If a unit is selected when the button is clicked, it will show the upgrade tree for that specific unit:
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If there's no selected unit, it will show the upgrade tree for the unit class selected on the drop down:
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Many thanks to WHoward69 for allowing this update to be posted.
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Dismiss Notice
We have added a Gift Upgrades feature that allows you to gift an account upgrade to another member, just in time for the holiday season. You can see the gift option when going to the Account Upgrades screen, or on any user profile screen.

UI - Upgrade Tree 9
Displays a unit's potential upgrades as a tree