As you might be able to see in the video that I've attached when you are close to a block and looking down whilst mining the mining texture does not properly render and you get multiple stripes
(Video is at 0.25% speed)
Environment
Newest windows 10 vesion (10-10-2019) java version 8 update 221
Thank you for your report!
We're actually already tracking this issue in MC-163045, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
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