I have noticed and so did many users who hinted out that the lightsaber looked more like a chainsaw.

The new update fixes that and makes it look closer to Kylo Ren unstable lightsaber.

• Q: What about lightsaber sound replacement.
  A: There are about 20 thousand audio files to go through manually and finding few files which contain lightsaber sounds is nearly impossible.
• Q: Can you add crossguards which Kylo Ren had?
  A: I'd really like to but it's not possible with my knowledge, the blade has it's limitations.