~/Library/Developer/ is getting fatter and fatter. Even after Xcode is updated, there still are old iOS images and Core simulators.
I’ll show you what and how you can delete these files.
Delete old archives
You can delete old Archives, under this directory:
Delete old CoreSimulators
There are many olc CoreSimulator devices under
You can run this to delete these devices.
xcrun simctl delete unavailable
Delete old iOS DeviceSupports
There are many old iOS DeviceSupport under this directory. You can delete old iOS versions of directories.