This is automatic translation (from Korean) of 7.6.2021 update notice for Korean server (we will probably get same at our next maintenance):
 

Good morning. This is Cal Online.
The following is the update on 8.6.2021 (Tue).
 

1) Follow system error fix

- An error where the character would occasionally freeze when using an active skill has been fixed.

 

2) Fix the follow system

- The range of the follow system has been increased.

 

3) Fixed sword skill error

- An error where the combat rage skill was not used intermittently has been fixed.

 

4) Fix level up UI error

- Fixed an error where the riding menu flashed when leveling up.

 

5) Fixed inventory UI error

- An error where an inventory afterimage remains has been fixed.

 

6) Improving the display of packed items

- The tooltip for displaying the alphabet of wrapped items has been corrected.

 

7) Fixed ancient artifact UI error

- An error where the Chiu Cheonwangshingi UI appeared in the ancient artifact has been fixed