Solution 1, use dilation on the texture. Possible solution 2, maybe the uvs are packed very tightly and you run into some precision issues. You can try enabling full precision uvs on the mesh. But using solution 1 should eliminate the issue for free.
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Possible solution 2, maybe the uvs are packed very tightly and you run into some precision issues. You can try enabling full precision uvs on the mesh. But using solution 1 should eliminate the issue for free.