After the new studio update many people have been noticing a glitch in the particles that looks like this:
or Invisible particles
You can do 3 things to try to resolve this:
1 - Re install Roblox Studio
2 - Disable Particles Flipbook Beta Feature (Probably Main Cause)
3 - Check Graphic Card Update
Hope this helps
I believe that 2 is the only good solution for this issue, as this doesn’t occur in live games, only in Studio. Re-installing shouldn’t really help since it happens to mostly everyone, not 2% of all users. The Graphic Card could have a hand in this, but if only particles and not other 2D imagery in the workspace are affected, then it’s not related to this.
Id move this to community tutorials