[5] The club also negotiated contract extensions with Nedim Mekić and Amar Drina.
[8] On 23 June, Željezničar and Armin Hodžić negotiated a contract extension.
[9] On 27 June, Željezničar and Omar Beća negotiated a contract extension.
[12] The club also negotiated a one-year contract extension with Edin Cocalić, lasting until July 2023.
[13] On 4 July, Željezničar announced Edin Ćurić as the club's new director of its youth academy.
[26] On 24 April, Željezničar and Budućnost Banovići signed an official club partnership.
[27] On 25 April, Željezničar and Vedad Muftić negotiated a two-year contract extension lasting until July 2025.