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Version Update

PATCH NOTES

Latest updates and maintenance compensation details

Version 1.4

Homecoming

Maintenance Update & Bug Fix Compensation Details

2026-07-16

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Maintenance Compensation

Update & Maintenance Compensation

Oroberyl ×900

Bug Fix Compensation

Oroberyl ×900

Distribution Period: After the update and maintenance - Before the next version update and maintenance

Eligibility: Create a character before the update

Note: Update & Maintenance Compensation and Bug Fix Compensation will be sent separately via in-game mail. The mails will expire at the start of the next version update and maintenance, so please claim them in time.

Maintenance Time

Asia Server: 2026/07/16 06:00 - 2026/07/16 12:00 (UTC+8)

Americas / Europe Server: 2026/07/15 17:00 - 2026/07/15 23:00 (UTC-5)

*The server reopening time after maintenance may be earlier or later than scheduled. Please check the official announcement for details.

New Version Content

New Stories

Main Missions

Available up to Chapter II Process VII: Stubbornly Lingers the Setting Sun

Exploration Missions

  • OD Project: Cardiac Remediation Station III
  • Outpost: Cloudseeder STN
  • OD Project: Cloudseeder STN I
  • OD Project: Cloudseeder STN II
  • Fissure Filling and Land Grouting
  • Echoes of War
  • Blightshade Watch
  • Treasures of the Past

Side Missions

  • Like a Star Streaking Through the Boundaries
  • Spotlight of the Morning Star
  • Long Night Breaking into Day
  • Sorrow Sings in Silence
  • Nameless Blades I, II, III
  • Home Beyond Reach

New Operators

6★ Arcane - Rate-UP in North Yearns the Rift Vigile Chartered Headhunting

6★ Liino - Rate-UP in Good Morning from Your Dawnstar Chartered Headhunting

New Weapons

6★ Type 42: Solemn Phalanx (Arts Unit) - Rate-UP in Military Grade Issue

6★ Bedazzling Night Debut (Polearm) - Rate-UP in Bedazzled Issue

6★ Farsight (Sword) - Obtainable via the Tribute of Companionship event

6★ Junction Point (Arts Unit)

6★ Golden Age (Polearm)

New Enemies

Tuskbeast BlightshadeQuillbeast BlightshadeRakerbeast BlightshadeBlitzcrash BlightshadeYSTF Vanguard BlightshadeYSTF Elite BlightshadeYSTF Glaiver BlightshadeYSTF Captain BlightshadeBoss: Alleikhreos, Chiliarch

New Areas

Wuling - Yinglung Pass

Wuling - North Wuling Exclusion Zone

New Headhunting Events and Issues

North Yearns the Rift Vigile Chartered Headhunting

Limited Banner

Availability: After version release - 2026/08/09 11:59 (server time)

Features the Rate-UP 6★ operator Arcane.

6★ Operators: Arcane / Camille / Mi Fu / Ember / Lifeng / Ardelia / Last Rite / Pogranichnik

Combat Drills available for trying out Arcane with preset teams. Gaze North to the Rift HH Permit added to AIC Quota Exchange.

Military Grade Issue

Weapon Banner

Opens: After version update

Ends: After 3 Chartered Headhunting banners

Features the Rate-UP 6★ weapon Type 42: Solemn Phalanx (Arts Unit).

6★ Weapons: Type 42: Solemn Phalanx (Arts Unit) / Former Finery (Greatsword) / Wedge (Handcannon) / Eminent Repute (Sword) / JET (Polearm) / Detonation Unit (Arts Unit) / Oblivion (Arts Unit)

Good Morning from Your Dawnstar Chartered Headhunting

Limited Banner

Availability: 2026/08/09 12:00 (server time) - Before next version update

Features the Rate-UP 6★ operator Liino.

6★ Operators: Liino / Arcane / Camille / Ember / Lifeng / Ardelia / Last Rite / Pogranichnik

Bedazzling Dawnstar HH Permit added to AIC Quota Exchange.

Bedazzled Issue

Weapon Banner

Opens: 2026/08/09 12:00 (server time)

Ends: After 3 Chartered Headhunting banners

Features the Rate-UP 6★ weapon Bedazzling Night Debut (Polearm).

6★ Weapons: Bedazzling Night Debut (Polearm) / Sundered Prince (Greatsword) / Clannibal (Handcannon) / Valiant (Polearm) / JET (Polearm) / Detonation Unit (Arts Unit) / Thermite Cutter (Sword)

New Events

Tribute of Companionship

Celebration Event

Event Time: After version update - 2026/08/09 12:00 (server time)

Sign in across the event to claim rewards including Oroberyl ×3000, Basic HH Permit ×5, and the 6★ weapon Farsight (Sword).

Fortune Connect-and-Win

Celebration Event

Event Time: After version update - 2026/07/31 04:00 (server time)

Take a daily scratch-off with doubled rewards for matching stamps, for a guaranteed total of over Oroberyl ×5000.

Gaze Towards the Northern Exclusion Guide Event

Guide Event

Event Time: After version update - 2026/08/09 12:00 (server time)

Complete specified missions in the new Wuling regions to receive event rewards including Oroberyl ×1200 and Mark of Perseverance.

Gaze North to the Rift Sign-In Event

Sign-In Event

Event Time: After version update - 2026/08/09 11:59 (server time)

Sign in for a total of 7 days to earn rewards such as Gaze North to the Rift HH Permit ×5.

Like a Star Streaking Through the Boundaries Narrative Event

Side Mission Event

Event Time: 2026/08/09 12:00 (server time) - Before next version update

Follow Liino through the story of a morning star that will not be dimmed. Complete the side mission to earn Oroberyl ×600, Elementary Cognitive Carrier, and other rewards.

Bedazzling Dawnstar Sign-In Event

Sign-In Event

Event Time: 2026/08/09 12:00 (server time) - Before next version update

Sign in for a total of 7 days to earn rewards such as Bedazzling Dawnstar HH Permit ×5.

HEAT RAGE! MEGA ARENA!

Challenge Event

Event Time: 2026/07/30 12:00 - 2026/08/13 04:00 (server time)

Clear the arena challenge stages to earn Oroberyl ×1200, a Portrait Frame, and Mark of Perseverance.

Sanity Supply Limited-Time Event

Limited-Time Event

Event Time:

  • 2026/08/02 04:00 - 2026/08/09 04:00 (server time)
  • 2026/08/26 04:00 - 2026/09/02 04:00 (server time)

Complete specified missions every day to receive Sanity Usage Permit and Emergency Sanity Booster.

The Rooted Realm

Fun & Games Event

Event Time: 2026/08/09 12:00 (server time) - Before next version update

Solve puzzles and collect fragments to earn rewards including Oroberyl ×1600 and Mark of Perseverance.

Event & Gameplay Updates

Echoes of War Permanent Mode

A new seasonal game mode is now permanently available, with rotating seasons that swap in fresh challenge stages over time. Complete stages to earn seasonal rewards.

Umbral Monument Challenge Updated

Howlers of the Crag Stages: 4 new stages available. Complete all stage challenges to earn Mark of Perseverance, Advanced Cognitive Carrier, Arms INSP Set, and Protohedron.

Monumental Etching: Beastly Howl: Limited-time challenge running 2026/08/06 12:00 - 2026/08/20 04:00 (server time). Complete various Umbral Monument challenges to claim the event reward.

Delver of the Cryptic Puzzle Event

New Spatial Set: Artful Realm of Six Cardinals, with 6 Protocol Spaces releasing in phases.

Complete spatial set challenges to earn Oroberyls, Mark of Perseverance, and Protohedron.

Acquisition Center Update

Protocol Pass: Blighted Sea is available. During this version period, acquire various support items from Arsenal Engineers. Activating each seasonal Protocol Pass unlocks the Basic Supply tier by default. Level up to earn Basic HH Permit, Oroberyls, Exchange Crate-o-Surprise, and Progression Materials.

Added in Acquisition Center: Bundles: Homecoming Curios Collection Pack, Companionship Celebration Bundle, ID Info Update Pack, Rift Vigile HH Bundle, and Dawnstar HH Bundle. Purchase limits for Protocol Flow Bundle and Value Arsenal Ticket Pack are reset.

AIC Factory Updates

Wuling Gas Production

New AIC Plans: Gas Extraction, Flow Rate Adjustment, Gas Reactor Globe, Gas Dispersal, Gas Reaction, Gas Purification, Fluid-Gas Transmutation, Solid-Gas Transmutation, Gas Storage, Gas Filling & Separation.

New Gatherable Resources: Inergen and Xiragen, available as vents unlock through main missions. A new rare plant gathering site was also added to Wuling City.

Remote Stashing: AIC facilities placed outside the Automation-Core areas can now all be directly stashed to the regional depot.

Regional Development Updates

  • Wuling region Regional Development Level cap increased.
  • New outpost Xiranflow Cloudseeder Station added to Yinglung Pass.
  • Level caps for Marker Stone and Cardiac Remediation Station outposts increased.
  • Wuling Stock Redistribution expanded.

New System Features

  • Talosite Exchange: Gather special energy crystals known as Talosites in designated Wuling areas and exchange them for gear templates, ornamentals, camera poses, and vinyls.
  • Aero-Salvaging: New salvaging challenges available in Yinglung Pass and North Wuling Exclusion Zone.
  • Material Transmutation: Transmute certain high-tier materials into lower-tier ones. Unlocks after reaching Chapter II Process I.
  • Birthday Feature: Receive a special greeting on your birthday, applied retroactively for the current year if it has already passed.
  • ID Info Update Card: Change your name using one free card every six months.

Optimizations

Combat System

  • Optimized how a teammate avoids getting in the controlled operator's way when both are melee operators, and improved teammates' auto-follow behavior.
  • Optimized the behavior and visual effects of warning circles displayed when enemies cast skills.
  • Optimized the visual indicator for the Slow effect applied by the enemy Craghowler.
  • Optimized the sound effects for 6★ operator Mi Fu's combo skills.

AIC Factory

  • Conduit Connection: Connection distance is now calculated by straight-line distance, with the upper limit increased from 200m to 300m. A confirmation prompt appears when teleporting would break a conduit connection, and conduit connection states are now saved with blueprints and preserved when inlet/outlet pairs are moved or copied in bulk.
  • Top View Mode: Selecting from multiple overlapping targets now pops up a list of the overlapping facilities to choose from.
  • Facility Placement: Facilities with switchable modes let you select the desired mode before placement.
  • Advanced Gear Assembly Techniques: Gold-quality gear now supports switching between assembly techniques. Using the latest technique grants a 99% stock bill discount, and you can preview, bulk-change, or customize techniques per piece in Gear Assembly - Switch All Techniques.
  • AIC Factory Plans now show a jump button to any prerequisite mission next to the Research Criteria, and liquids entering a pipe now play a flow animation toward the endpoint.
  • Improved the interaction and usability of shared ziplines: after using another player's shared zipline, it is automatically maintained.

System

  • Camera System: When taking photos you can now freely move team operators, adjust their positions and orientations, switch between auto and manual focus, choose from a variety of selectable poses, and use a range of new stickers.
  • Ornamental System: Added a dedicated management screen. Ornamentals no longer occupy Backpack or Depot capacity, and Quick Stash now supports one-click stashing of all placed Ornamentals of a selected type in the current region.
  • Headhunting Records: Chartered Headhunting and Arsenal Issue reward records are now retained for 90 days.
  • Missions and Tag Tracking: Tracking now jumps directly to the relevant Baker screen or highlights the target on the map, a Teleport button was added to map tag details to auto-select the nearest TP Point, and missions with tags are sorted New Feature > New Area > Key Story > Timed.
  • Protocol Spaces: Optimized the default controlled-operator selection on entering and exiting, and redesigned the reward selection button for selectable reward sets, with rarer materials shown as the default Rewards Set Option A.
  • OMV Dijiang loads faster on consecutive friend visits, Reception Room clue exchanges were shortened from 24 hours to 20 hours, and Cabin upgrades can now be performed remotely via the Control Nexus.
  • Optimized data checks during preloading for improved stability, along with red dot notification display and controller button display on certain screens.

Graphics & Technical

  • PlayStation 5 Pro: Now supports the upgraded PSSR for enhanced image quality and clarity.
  • PC - NVIDIA DLSS 4.5: Super Resolution support renders sharper on-screen detail while maintaining stable frame rates in complex scenes.
  • PC - AMD FSR 3: Added support for FSR 3 super resolution mode and frame generation options on compatible hardware.
  • Optimized the visual quality of operators in rainy environments on PC and PlayStation 5, with more realistic raindrop buildup and wetness effects.

Other Optimizations

  • Optimized the game client's storage usage, consolidating game resources to reduce client size and free up device storage.
  • Increased the Pass EXP granted immediately upon unlocking Protocol Customized in the Protocol Pass to 12,500, and decoupled the amount from the unlock order of Originium Supply and Protocol Customized.
  • Optimized ambient NPC presentation across all scenes, distant tree appearance in certain areas, and various weapon VFX.
  • Optimized 6★ operator Mi Fu's skirt appearance in certain scenes.
  • Optimized how players participate in the Protocol Reconnection return event.

Bug Fixes

Combat System

  • 6★ Camille: Fixed wings sometimes displaying incorrectly during screen transitions from the Overview screen.
  • 5★ Alesh: Fixed inability to trigger certain weapon skill effects with his battle skill after unlocking the potential Super Salty Comeback.
  • 5★ Snowshine: Fixed the game screen rotating abnormally when set as the controlled operator and performing certain actions.
  • 4★ Catcher: Fixed abnormal camera shaking that could occur when on the team and performing a Final Strike.
  • 6★ Zhuang Fangyi: Fixed dive attacks lacking vibration feedback on mobile devices.
  • Enemy Tidewalker δ: Fixed the model jittering abnormally when hit by attacks.
  • Fixed an issue where certain actions during some Protocol Space challenges could cause abnormal game progression.

Missions

  • Fixed missing special effects for the NPC Mysterious Illusion in the side mission Let Fire Consume the Ashen Past.
  • Fixed bats appearing with incorrect colors in certain scenes during the side mission Danse Macabre.
  • Fixed gates displaying incorrectly in certain scenes during Chapter II Process III: Purity Reveals the Stubborn Stone.
  • Fixed certain NPCs or operators displaying incorrectly during missions, and mission details failing to open after selecting a mission marker on the map.

Events & Gameplay

  • Trial of Swordmancy: Fixed the results screen displaying incorrect text when the Battle Points for the last Rewarded Trial were 0.
  • Athletic Race: Fixed the gameplay countdown failing to display after hot-swapping to a controller.

System

  • Fixed operators entering an abnormal state after moving to a specific location in Wuling - Sword Vault Dale - South Gorge Rampart.
  • Fixed the Mute When Window Is Inactive setting sometimes failing to work.
  • Fixed the character limit prompt not appearing when renaming a team after certain actions, and team names being able to exceed the character limit on PlayStation 5.
  • Fixed several controller and mobile map issues, including repeated item animations after using Detectors, abnormal map movement after selecting a marker, and abnormal tracking button text.
  • Fixed abnormal flickering in parts of the map screen when opening Protosync on PlayStation 5.

Voice & Other Fixes

  • Fixed some story voice lines being cut off when the game language was set to English.
  • Fixed certain visuals, glow effects, and icons displaying incorrectly under specific circumstances.
  • Fixed sewage in certain pools displaying incorrectly after extraction in Wuling - Test Area.

Source: Official Arknights: Endfield news (Gryphline) - content reproduced for fan reference.

Version 1.3

Sketches of Lost Heirlooms

Maintenance Update & Bug Fix Compensation Details

2026-06-05

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Version 1.2

At the Wake of Spring

Maintenance Update & Bug Fix Compensation Details

2026-04-17

Tap to expand patch notes
Version 1.1

OLD DEEP WATER DIES, BY RISING TIDE IT IS DENIED

Maintenance Update & Bug Fix Compensation Details

2026-03-12

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Data sourced from official Arknights: Endfield maintenance announcements

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