it's something to do with unicode support in minetestmaxis27 wrote:Polish.
Why polish characters: ą, ć, ę, ń, ś, ź, ż not works in the game and on chat?
Works only ł and ó.
see all these issues on minetest github for similar reports:
https://github.com/minetest/minetest/issues/6938
https://github.com/minetest/minetest/issues/5226
https://github.com/minetest/minetest/issues/6573
https://github.com/minetest/minetest/issues/4875
https://github.com/minetest/minetest/issues/302
https://github.com/minetest/minetest/issues/7997
https://github.com/minetest/minetest/pull/2885