Station defences are lacking right now. The capital defences are too weak to harm even a destroyer before getting blown up and they lack range to be anything more than farming material. They are dangerous for smaller ships though (bomber). Small turrets can down shields on a destroyer but apparently they have only blasters and need to rely on ships to finish the job.
I like the capital ship orientation indicator, but it seems to disappear when hitting WASD, it should move instead, and I find the effect too strong: the orientation target is moved too quickly.
I am still getting used to the new keys, I am unsure whether it is an improvement.
The shield flashing on damage is too subtle, I barely see it when looking for it. The heat meter is also not very obvious in my experience, despite the warnings and red color. An audio clue might help there.
I agree that shields overcharge is too strong. It is my default on most ships (but I avoid flying too twitchy ships as much as possible, not sure how efficient it is on them)
There is too little incentive to engage enemy ships ATM, not worth the risk when farming structures can pay for capitals quickly. Buffing station defences might help in that regard, along with missions.
I have pointed it out before, I think the destroyer has a frustrating rate of fire. Burst firing is cool but in the meantime Iam just holding the button for nothing, and when a cruiser comes along and dishes out a long stream of projectiles I feel really useless