VERSION{v7.73}
Mine CHanges:
Always cloacked/stealth, except when it fires.
Doesn't die when it fires.
Has 200 range, does 100 damage to both light and armored.
Costs 5 energy to fire.
Costs 0.15 energy upkeep simply for existing.
Requires no supply.
Has 10 hp.
Can be cleared easily by a riot tank (assuming you know where the minefield is).

Fix bug on some maps where metal extractors coudl not be built. As a result, all map features 8x8 footprint and smaller are non-blocking now