[1][2][3][4] On July 31, 2023, Karol G announced the release date of her new mixtape Mañana Será Bonito (Bichota Season).
[5] On August 7, 2023, Giraldo revealed the track list, where "Mi Ex Tenía Razón" was featured.
[6]On the US Billboard Hot 100 chart dated August 26, 2023, the song debuted at number 22, selling 2,000 copies.
The music video for "Mi Ex Tenía Razón" was directed by Pedro Artola and was released on Karol G's YouTube channel on August 11, 2023.
[13] From August 10, 2023, to July 23, 2024, Karol G embarked on the arena-stadium Mañana Será Bonito Tour, where "Mi Ex Tenía Razón" was present throughout the set list.