They're improving the game by fixing issues which the community has complained about, and you get mad at them because of that?
Weapons in the crucible needed balancing, cave & wipe farming needed to be fixed, and pretty much everyone wanted voice chat. So I'm happy with these (upcoming) changes, why aren't you? Because the cave - a place which made a lot of players play the game in a a way the devs hadn't intended - got killed?
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These are all valid points but you didn't mention the Queens Wrath rewards, where you no longer can get shards from. A limitation to this shards like getting just 1 - 2 shards would be okay, but dismiss it in general takes away the sence to do this missions for many people.