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    Bug 
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    Resolution: Works As Intended
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    None
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    Minecraft 18w11a
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    None
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    Operating system: Windows 10 update v1709, Java v8 update 161
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        Confirmed
Works in 18w11a and 18w10d. So you place a pressure plate, move on it and try to swim with the sprint key. The included 8 second clip gives you more information.