[10] On 9 October 2020, the Saudi FF announced that the number of teams in the league would be decreased to 18 starting from the 2022–23 season.
[11] On 26 August 2021, the newly appointed executive director of the FDL, Talal Al-Obaidi, announced a rebrand; beginning with the 2021–22 season, the competition would be known as the First Division League (FDL).
[12][13] On 1 September 2021, the FDL announced a sponsorship with car rental company Yelo.
[16] In the final matchday, both Al-Qadsiah and Al-Wehda were relegated following a draw with Abha and a loss against Al-Shabab respectively.
[20] Al-Okhdood defeated Al-Orobah 4–2 on penalties (3–3 after extra time) to win their second title and first since 1992.
[21] Al-Kholood and Bisha will play in the First Division League for the first time in their history.
In order to preserve chronological evolvements, any postponed matches are not included in the round at which they were originally scheduled but added to the full round they were played immediately afterward.