On one side of shingles on the bottom right corner, there appears a 3(or maybe 4) pixel spot of red or grey. The color depends on the blocks used (using terracotta + stripped oak/oak planks), but it seemingly always appears. Is there any chance of fixing this for the 1.18.2 version?

Edit: Sometimes the pixels are plain invisible instead, as is the case with these birch plank + birch plank shingles.