Stal Mielec announced on Tuesday that the loan for 20-year-old Polish winger Jakub Kowalski has ended. The club confirmed his departure as part of a squad update. He will now return to Korona Kielce, where his contract is set to expire on June 30, 2026. During the 2025/2026 season, Kowalski made 13 appearances and scored 1 goal in the Betclic 1 Liga, and also recorded 4 goals and 7 assists in 19 appearances in the Betclic 3 Liga - Group IV. His current Transfermarkt market value is €75k.