The possibility of capturing of special planets was canceled.
This is justified by the fact that they lost their strategic importance after the change of the galaxy (arms instead of galaxies, and the distance was reduced).
Their uncomfortable location (at the beginning of the arm) also affected this decision because of the inaccessibility for players at the end of the arm.

Some features of the special planets have been preserved:
 - Visibility in profile
 - Unable to rename
 + Increased output
 + Large sizes on some sites
Other personal characteristics listed on the page of special planets.

Also, special planets now can be made the capitals of your empire, as well as ordinary planets.

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