Here the patch notes for maintenance on 2025-12-04 (no version change):

Bug Fixes
-Fixed an issue where the Asmodan Head, Polar Bear pet and Ankou's attacks would appear all white.
-Fixed an issue where NPC icons on the Eillun map were inaccurate.
-Fixed an issue where the increased probability of [Personal House NPC] Klock was not applied.
-Fixed an issue where the item description of Scroll of increased Jewel synthesis chance Select Box was wrong.
-Fixed an issue where quests Urgently looking for a bandage, Legendary Redmantis (Part 1), Internal War of Red Bang Troupe, Initiation of Champions, and Trials and Tribulations could not be obtained after changing to 3rd job.
-Fixed an issue where some players could not login anymore after disconnecting in the quest dungeon "Hunt the Mole".
-Fixed an issue where Blinkpool could not be used in the Kaillun themed Guild Siege arena.
-Fixed an issue where the captions of Dreknir Forest and Dreknir Ridge were incorrect.
-Fixed an issue where the icon of Scroll of Amplification ES190 was displaying 180 instead of 190.
-Fixed an issue where some new skill descriptions were inaccurate.
-Fixed an issue where Kalgas Assault team banner would not display if Banner Titles is unchecked in Option window.
-Fixed an issue where [Arena Manager] Aerin was available on all channels.
-Fixed an issue where the value of sliders in Option window would sometimes change after restarting the game.
-Fixed an issue where buff icons were not aligned in the target window with Masquerade theme.
-Fixed an issue where an issue where HP/FP/MP bars were misaligned on mobile.
-Fixed an issue where you couple cheers would not work properly when one partner was flying while the other was not.
-Fixed an issue where the new Kaillun locations were missing images when using a Blinkwing of Madrigal.

Balance Changes
-Gale's increased duration variation should now have a proper increased tick damage duration.
-Last One Standing's Damage Reduction variation synergy with Pain Reflection now correctly synergizes with incoming damage.
-Harlequin's Greeting's CC Attack variation damage while invisible has been reduced to match the intended amount (it was using the incorrect Synergy).
-Undying stack count has been reduced to 3 in PvE.

General Changes
-Added Synthesize Ultimate Jewel and Convert Ultimate Jewel menus to [Personal House NPC] Klock.
-Quest items Fragment of ??? and Fragment of a Fallen Ship cannot be deleted anymore.
-Increased the HP of several monsters in Kaillun.
-The title for eating 200,000 Tuna Sushi has been changed from "Sushi Chef" to "Soy Sauce".
-Added an achievement for killing "[God of Death] Demonic Ankou".
-The item "Christmas Cookies" has been renamed to "Santa's Cookie".

Thank you.