You're probably right. Tried doing lots of stuff to fix it, such as setting the texture-filtering to Nearest-Neighbor, tried messing with the padding and bleed on the texture packing. Even tried increasing the tile size by like less than a pixel in each direction so they'd overlap a teeny tiny bit. I'm currently working on drawing lots of new biome art - so I'll probably try and revisit this issue when putting them in. Fingers crossed!
I found a case when artifacts appears :) Today I ran a game in window mode and made it fullscreen only after loading and there was no artifacts! :) But when I load or create a new game at once in full screen then artifacts appears. I run the game on full hd. Hope it will help!
