Striders spawned in 20w13a are flying (walking in air) and they are not following me when i have warped fungus in my hand. They can t jump to blocks and they can t go down.
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Thank you for your report!
We're tracking this issue as MC-181495, so this ticket is being resolved and linked as a duplicate.
This will also not be fixed, as it is an issue resulting from bugs in a previous snapshot.
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(More specifically, this happens in old versions, and in worlds from old versions, but does not happen on worlds generated on current versions)
If this is happening in 20w13a and not in the latest version (20w20b) then this report is invalid.