This is automatic translation (from Korean) of 4.6.2023 update notice for Korean server:
 

The following is Korean server update for Jun 5th (Mon).

 

1) Improved mission board conditions and rewards

- The number of monsters required to complete the mission changes according to level and region.

- Upon completion of a mission, the completion experience point reward is changed according to the number of monsters killed.

 

2) Fixed mission board issue

- Fixed an issue where missions in progress sometimes disappeared from the mission board.