I downloaded the new 1.15 version of minecraft and the moment i load a new world awful black lines appear... This had happend to me in an earlier version and the fix was to tweak my nvidia settings i have tried the same with no luck. I have a Geforce GTX 1060 3gb and every other version except 1.15 work fine... I have some pictures for reference bellow.
Thanks for reading,
Mike
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Thank you for your report!
We're actually already tracking this issue in MC-1794, 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.
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You might want to check your graphics driver settings, usually this issue can be fixed by tweaking them.