Illustrator Stroke Bug from GPU Performance

Question

Hello! I've just discovered a strange problem with my Illustrator (v.24.2.3).

I have this graphic shape that's a closed path. As you can see in the marked area, there's this weird thing going on at the corner of the left arch. It disappears only if I disable GPU Performance. If I move it onto an artboard, it disappears again but then comes back if I move the graphic around on the artboard.

I thought at first that it's a badly joined shape but it isn't, since it's affected by turning off the GPU Performance. I have a fast machine (i7-8700, 16 GB RAM, NVIDIA GeForce GTX 1070 8GB, Windows 10 64-bit, v2004).

I tried to attach the file here but the Forum doesn't allow AI files. Does anyone know what's going on here? Thanks in advance.

Monika Gause · Accepted Answer

You can report it to Uservoice: Please post bugs & feature requests to http://illustrator.uservoice.com

You can check if there's a new driver available for your video card

Or just check CPU preview when you're unsure.

Monika Gause · Answer

GPU is fast, but it sacrifices precision for that.

Illustrator makes use of the graphic processor engine. So what yousee might not be the same as what I see, since I might have a different graphic card.

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