New

    •   Aircraft Secondary Skill Upgrade System

       -  Aircraft Enhancer Extraction

* From Hangar Level S3, you can extract Aircraft Skill Enhancers using Legendary Aircraft and Aircraft Blueprints

* Only Legendary Aircraft are eligible for extraction

       -  Aircraft Honorable Retirement

* Legendary Aircraft can now be honorably retired starting from Hangar Level S3

* Honorable Retirement grants Aircraft Blueprints, which are required for Enhancer extraction

* Honorable Retirement is only available for Legendary Aircraft

* Honorable Retirement does not provide the rewards from Normal Retirement

* The number of Blueprints received depends on the aircraft’s star level, while the aircraft level itself does not matter

       -  Secondary Skill Level-Up

* Use "Aircraft Skill Enhancer" to level up secondary skills

* Leveling is restricted based on aircraft level. Max skill level is only available at aircraft level cap

* Enhancement requires the same aircraft’s Skill Enhancer

* If you reset an aircraft’s level, the exact number of Enhancers used will be returned

* Skill Enhancers will not be returned when retiring aircraft (both Normal Retirement and Honorable Retirement)

       -  Extraction Speed Up

* You can now use Gems to speed up the extraction time for both Aircraft and Command Tank Enhancer extractions

       -  Integration with Missions

* Enhancer consumption will be tracked in Secret Missions, Daily Events, and Server Invasion Missions

* Applies only after mission refresh for certain content.

    •   Honor Hall

       -  Accessible via Command Center Adjutant

       -  Earn limited-time Titles and Skins by meeting specific conditions

       -  Honor Hall consists of three Tabs: Title, Frame, Base Skin

* Frames will be added in a future update

        -  "My Title/Frame" section will be added to the ‘Change Base Appearance’ UI

        -  When the Commander Frame is registered, it will be reflected in the Rankings, Chats, and other areas where the portrait is displayed

        -  Honor Hall updates at different times depending on the content

* Each Frame will be available after the update based on the refresh time of each content

* Frames are granted to the Rank 1 Commanders in Combat Power, Arena, and Arena EX

* Combat Power Ranking is updated daily at UTC 00:00, while Arena and Arena EX Ranking are updated after the season ends

    •   Supply Shop – Auto Supply Feature

        -  When you set a desired reward tier, Auto Supply will continue up to the specified number of attempts you set or until a reward of that tier is obtained

        -  If you do not set the reward tier, Auto Supply will continue up to the specified number of attempts you set

        -  If you run out of Supply Keys, Auto Supply will stop

        -  You can toggle this feature on/off via settings

    •   Master Arena Promotion System

        -  New tiered leagues introduced: Bronze / Silver / Gold / Platinum

        -  League size: Platinum (100), Gold (200), Silver (300), Bronze (all others)

        -  Rewards vary by league and are distributed at the end of the season

        -  Promotion/relegation determined based on rank and will be sent via Inbox

        -  Inactive Commanders will drop to Bronze next season.

        -  Promotion System only applies to 140+ Day Servers

        -  Promotion System does not apply to World or Server Arena

        -  To support the implementation of the Master Arena League and ensure Arena server stability, the next Arena season will begin after the update on June 17, 2025.

    •   Commander Report

        -  Commander Report can be checked via Missions under the Commander Adjutant

        -  When a Commander achieves a certain Combat Power, all Commanders will receive a report with rewards attached inside

        -  Reports expire in 24 hours

Improvements

    •   Chat System Update

        -  Commander portraits change from square to circle

        -  The time displayed in Chat can now be changed to local time instead of UTC

        -  Titles and frames will now display with portraits

    •   Hangar Adjustment

        -  Max number of 6-star aircrafts that can be placed per hangar level has been changed

    •   Command Tank Season Adjustment

        -  The appear time of Command Tanks per season has been adjusted

    •   Race to Berlin - Berlin Level Adjustment

        -  The maximum level will be applied to the Berlin level in Race to Berlin

        -  The Race to Berlin Skirmish’s Berlin level will not be adjusted, remaining at the minimum level

    •   Auto-Repair UI Improvement

        -  Auto-repair for both Command Tanks and Aircraft now appears on a single tab

    •   World Boss: Strike Operation

        -  World Boss spawn/exit times updated

* Boss spawns when the event starts

* Boss disappears 1 hour before the event ends

    •   Level 46~50 Command Tank Balance Improvement

        -  Command Power, Command Tank Attack, Ground Force Defense, and Ground Force Durability of Lv.46-50 Legendary Command Tanks will be increased

        -  Damage reduction values will be adjusted

* 0.2% will be increased per level, and the buff value remains at 1% at Level 50

    •   Operation Mode Balance

        -  Command Tank movement speed will be increased

    •   Other Improvements

        -  World Ranking unlocks at Day 140 (previously 60)

        -  Stronghold Warfare unlocks at Day 50 (previously 140)

        -  Superior Resources Production x10 image will be updated 

        -  Command Center Level S5 Celebration mail added

        -  Research recommendations for Transport Convoy will no longer appear in the Research UI

Bug Fixes

    •   Fixed the issue where World Boss: Strike Operation occasionally did not display correctly

    •   Fixed the issue where the selected Command Tank lose focus when using Command Tank Selection Pieces