Hello! There is a bug that allows you to place a torch under sand/gravel without breaking it.
Sand and gravel at a beach.
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The Environment field is supposed to only contain PC details.
Thank you for your report!
We are tracking this issue in MC-175574, so this ticket is being resolved and linked as a duplicate.
That ticket has already been resolved as Works As Intended, which means this is not considered a bug and will not be fixed. Please do not leave a comment on the linked ticket.
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That’s normal behavior, if you place the torch fast enough before the falling block updates, it won’t see that there ever was air before. Hope that helps!