LInux settings not saving

Hello!
I see that you already have ironed out the details so i am just gonna link the bug report with a potential workaround:

https://forum.paradoxplaza.com/forum/threads/stellaris-following-latest-patch-the-game-seems-unable-to-see-old-savegame-or-settings-data-or-save-new-games-or-settings-circinus-v3-14-1592-3d7.1718358/post-30037129

Sorry for the inconvenience!