The group currently consists of seven members: Kuhn, Kogyeol, Bitto, Sunyoul, Gyujin, Hwanhee and Xiao.

Originally as ten, Jinhoo, Lee Jin-hyuk and Kim Woo-seok departed from the group on February 28, 2023.

[2] On September 9, Up10tion held a debut showcase at AX Concert Hall in Seoul which 500 fans attended.

There were official statements released by both parties' agencies that denied these claims,[22] along with the production staff from "The Show".

On October 12, the group released 2017 Special Photo Edition, containing two tracks, including lead single "Going Crazy".

[34] On August 22, Up10tion released The Moment of Illusion with the lead single "Your Gravity",[35] which was promoted without Wooseok and Jinhyuk.

On April 7, TOP Media announced Jinhoo will go on a hiatus due to health concerns.

[44][45] On June 14, 2021, Up10tion returned with their second studio album Connection with the accompanying lead single "Spin Off".

On September 15, Up10tion announced would comeback on October 12, with their eleventh extended play Code Name: Arrow.

[49] On March 9, it was announced by TOP Media that Hwanhee would be leaving the show permanently due to his health issues.

[50] On February 28, 2023, Lee Jin-hyuk would leaving TOP Media after deciding not to renew his contract which expires on March 11.

It was also announced that Kuhn, Kogyeol, Bitto, Sunyoul and Gyujin would also be leaving the agency, but Up10tion would continue with its current seven-member lineup, confirming Jinhoo, Lee Jin-hyuk and Kim Woo-seok departure from the group as well.

[53] Xiao subsequently left the agency on March 31, after wrapping up his participation in Boys Planet.