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  1. Minecraft: Java Edition
  2. MC-131019

Setting and changing data of signs creates unnecessary "extra" tags and causes slow downs


    • Icon: Bug Bug
    • Resolution: Fixed
    • Minecraft 1.13-pre6
    • Minecraft 1.13-pre1, Minecraft 1.13-pre2, Minecraft 1.13-pre3, Minecraft 1.13-pre4, Minecraft 1.13-pre5
    • None
    • Confirmed

      The bug

      After playing around with some toggle-text signs I found the game would drop from 300+ fps down to around 10 after a few toggles, which seemed very odd. Looking away from the sign would return the fps back up high. Believe it has something to do with extra extra: [] tags appearing.

      Running data merge block <pos> on a sign will add an extra: [] to each Text part of a sign. This effect also seems to stack. See images below. First is the initial sign data. Then I add an empty text, then I have done it 3 more times.

        1. Three Changes.png
          Three Changes.png
          388 kB
        2. sign.png
          1.04 MB
        3. One Change.png
          One Change.png
          341 kB
        4. Inital.png
          308 kB

            boq [Mojang] Bartosz Bok
            Bored_Banana Tristan
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            6 Start watching this issue