EASY TRIGGER FIX:
-Remove slide
-Push trigger into forward position/push forward on connector.
-This gives you access to tail end of grip safety spring (on far left edge of frame with muzzle away from you, you will now notice the "end" of the spring facing you)
-Push down on it with a small screwdriver or similar. We're trying to bend it here.
-PUT TRIGGER BACK IN REAR POSITION, by pushing forward on connector, then pulling trigger, to avoid rounding the trigger safety.
-Reassemble and test. This might take 3-10 tries depending on how much force you were putting on the spring.
If you make it too light, you will have to disassemble it completely to bend the spring back to shape, which, if you aren't lazy, is also the better way to bend the spring in the first place, but the trial and error will take much longer.
Enjoy your fully functional 5.5 lb trigger (or whatever you want) without sacrificing any safeties (but double check them) or ability to ignite tough primers.