[MC-302206] Shelves cause lag spikes and performance issues

“Expected result”

Items and blocks on Shelves should have no effect on performance, lag spikes

“Actually result”

Causes hug lag spikes and performance issues, Frames drop to 12 or less fps

Effect Version: 1.21.9 pre release 2

Environment

Bug

Bug

Could upload a screenshot or video demostrating this issue?.

And adding steps to reproduce this issue?.

Hi!
Thank you for your report!

Could you please provide more details or/and media files. As we have no repro of this issue.

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Observed Results:

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Expected Results:

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