If you're experiencing a drop in FPS, even for a short amount of time, you may glitch through pistons if you're standing on them. Here's a build that might demonstrate this: https://www.youtube.com/watch?v=NZbJ-ldIgMQ
This glitch won't happen if you aren't lagging.
I also believe that lag may cause the pistons to behave abnormally, like not extending or extending at the wrong time.
Comments 4
Is this still an issue in the most recent versions (currently that is 1.12.2, or the latest 1.13 pre-release 1.13-pre3) of Minecraft? If so, please update the affected versions and help us keeping this ticket updated from time to time. If you are the owner/reporter of this ticket, you can modify the affected version(s) yourself.
Is this still an issue in the most recent versions (currently that is 1.12.2, or the latest 1.13 development snapshot 18w07c) of Minecraft?