Several blocks that have different levels of transparency, like slime and honey blocks, will flicker upon a new side of them being rendered. The outside will be opaque for a split second, then the inside will render.
The videos had to be cropped to fit in the 10mb range, but this is at near-full resolution.
Environment
Windows 10
CPU:
AMD Ryzen 7 2700 Eight-Core Processor, 3200 Mhz, 8 Core(s), 16 Logical Processor(s)
Graphics:
Radeon RX 580 Series
4 gig allocated ram for Minecraft.
Thank you for your report!
We're actually already tracking this issue in MC-163098, 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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