Summary
In Minecraft Java Edition 1.21.8, a visual rendering error occurs when gravity-affected blocks (sand, gravel, etc.) are placed on active powered rails. The block's texture appears misaligned from its actual hitbox, creating a visually broken appearance while maintaining normal functionality.
Steps to Reproduce
Place any solid block (e.g., dirt) as a base
Place a powered rail on top of the base block
Power the rail using any redstone source (lever, redstone torch, etc.)
Place any gravity-affected block (sand, gravel, concrete powder) on the active powered rail
Observe the visual misalignment of the placed block
Expected Result
The block should render centered and flush with the powered rail's surface, with visual model matching collision hitbox.
Actual Result
The block renders visually offset (appears to float/misalign) while maintaining correct collision hitbox in its proper position. This creates a discrepancy between visual appearance and actual block interaction.
Additional Information
Minecraft Version: 1.21.8
Operating System: Windows 11 24H2 (OS Build 26100.4652)
Mods: Vanilla client - no mods or resource packs installed
Notes:
Purely visual bug - physics and functionality remain intact
Only occurs on active powered rails
100% reproducible under described conditions
Recommend comparing with unpowered rail state for reference
Attachments
[Screenshot_1]: Visual misalignment example
[Screenshot_2]: Comparison with properly aligned block on unpowered rail
(Please attach corresponding images to your report)
I am Chinese, and this bug report was completed with the assistance of AI.
Comments 3
We do not have enough information to find the cause of this issue.
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It’s use AI,the error is :after put the block ,my computer will BSOD,the GPU is:Intel(R) Iris(R) Xe Graphics