In the early days of Stardew Valley modding (circa 2016), a mod was released that allowed players to date and marry Jas.
: Platforms like Nexus Mods now have explicit policies against making child characters romantic or sexual interests, citing strict online safety laws and ethical standards. Why Players Look for Jas Mods stardew valley jas marriage mod
Most players seeking "Jas mods" aren't looking for romance but rather to improve her role in the game’s family dynamics: In the early days of Stardew Valley modding