Reproducing Steps:
Prepare a superflat world with a surface of blue ice.
Preset code:
minecraft:bedrock,5*minecraft:stone,5*minecraft:dirt,5*minecraft:sand,87*minecraft:water,3*minecraft:blue_ice;minecraft:frozen_ocean;oceanmonument,biome_1
Place a boat on the ground in an arbitrary direction.
Get on the boat and hold the W key to accelerate it.
Then, as expected, the boat is running at a very high speed. According to Minecraft Wiki, its maximum speed can reach approximately 60.6 m/s (β 218.2 km/h.)
For some low-end computers, such a high speed may cause game to freeze due toΒ chunk loader failures, and the F3 debug screen will show a message "Waiting for chunks..." forever.
We found this issue on Minecraft versions 1.14.x and 1.15.x, while it was not present in 1.13.x versions.
Note: I have attached a demonstration video and a debug report for this bug.
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It's 252 km/h actually i think

Does changing the render distance affect this?

Thank you for your report!
We're tracking this issue in MC-190836, so this ticket is being resolved and linked as a duplicate.
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