Dragon has been flying near the space station and has performed all tasks perfectly so far. One of the astronauts on ISS took this video of the SpaceX Dragon flying a couple kilometres away.
The berthing is due tomorrow. Apparently there are sensitivities about using the word’s docking versus berthing to the ISS docking collar. Berthing means they use the robot arm to pull it in the last few feet; docking is intended to mean the approaching craft flies into contact itself.