Yes, of course. I wrote about this problem in a post - https://kervn.itch.io/going-rogue/devlog/355063/chapter-iv-is-available-on-itch.
There are my discord contacts and what I would need to send you the last chapter.
No, the username is correct. I tried to find you, but could not. When adding to friends says that only you can add to your friends. Try another way, join the discord server of the game and there I am in the list of participants. https://discord.gg/CfaBEPKcqQ