The sugarcane starts glitching out after you get close to it, but when you break it the texture of the sugarcane around it goes to normal for a split second.
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Comments 4
Hi!
Thank you for your report!Â
We're already resolved this issue at MCPE-226073, so I will resolve and link this ticket as a Duplicate.Â
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Please add a screenshot about what you mean. Sugar canes have been changed to become transparent when moving near them in 1.21.100 changelog: https://feedback.minecraft.net/hc/en-us/articles/38581287884557-Minecraft-1-21-100-Bedrock