40.0.5|Oct 28, 2025
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The Vallis Undermind: Hotfix 40.0.5 + 40.0.5.1

2/5 Minor

Sevagoth and Protea receive critical bug fixes alongside the removal of companion screen shake and progression fixes for Deepmines Bounties.

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Key Changes

  • 1Fixed Sevagoth and Nokko getting locked in Transference when entering Void Angel Orbs.
  • 2Removed screen shake caused by Companion melee attacks for better visual clarity.
  • 3Fixed Deepmines Bounty hacking terminals breaking after host migrations.
  • 4Disabled coupons on the Epic Launcher to prevent an exploit.
  • 5Toned down excessively bright VFX on Protea's Grenade Fan ability.
  • 6Fixed a map escape bug in The Hex quest involving the Atomicycle.
  • 7Changed Vapos Specter purchase limits from 1 daily to 7 weekly.
  • 8Resolved several rare crashes occurring during login and mission extraction.
  • 9Fixed UI overlay bugs where the Mod Menu would persist over other screens.
  • 10Corrected the reward in Nora's Mix Rank 14 to provide the intended Arcane Fury.

All Changes

🛡️Warframes(3)

  • fixProtea: Fixed extremely bright VFX that can spawn from Protea's Grenade Fan.
  • fixSevagoth: Fixed being locked in Transference if Sevagoth or Nokko entered a Void Angel Orb while in their passive revive form.
  • fixXaku: Fixed a script error related to Xaku's Untime Rift augment.

🎮Gameplay(3)

  • removeCompanions: Removed screen shake caused by your Companion’s melee attacks.
  • fixDrop ships: Fixed drop ships spawning at a high frequency and not leaving after dropping off units in the Plains of Eidolon and Orb Vallis.
  • fixArbitration: Fixed a green orb appearing on Client Warframes when holding Resurgence Tokens in Arbitration missions.

📜Quests(6)

  • changeThe Teacher: Removed mention of Corpus when Teshin discusses Electricity vulnerability in The Teacher quest to avoid new player confusion.
  • fixThe New War: Fixed a Corpus Shield Drone spawning into the wall during The New War quest.
  • fixThe New War: Fixed Transference Chair having incorrect placement during a segment of The New War quest.
  • fixThe Hex: Fixed being able to summon the Atomicycle in a corridor in Stage 3 of The Hex quest, causing players to get stuck out of the map.
  • fixChimera Prologue: Fixed UI errors when starting a replay and then exiting The Chimera Prologue and Erra quests.
  • fixVor's Prize: Fixed a black screen when attempting to start the Confront Vor mission via TennoGuide without the Navigation Segment.

🗺️Bounties & Environments(4)

  • fixDeepmines Bounties: Fixed hacking terminals in Deepmines Bounties not working properly if a host migration occurred in the elevator.
  • fixDeepmines Bounties: Tentative fix for the Deepmines Bounty door not opening for Clients.
  • fixDeepmines: Fixed a floating environment element in the Deepmines tileset.
  • fixDeepmines: Fixed a section of the Deepmines tileset where a player could get stuck.

💰Items & Economy(3)

  • changeVapos Specter: Changed Vapos Specter's purchase limit from 1 every 24 hours to 7 a week in Nightcap's wares to resolve reset issues.
  • fixNora's Mix: Dreams of the Dead: Fixed the incorrect Arcane Fury appearing in Rank 14 of Nora's Mix: Dreams of the Dead.
  • fixIsleweaver fragment: Fixed a missing interact prompt for an Isleweaver fragment in Teshin's Cave.

🔫Weapons(3)

  • fixBasmu: Fixed a minor grammatical error and a typo in Basmu's description.
  • fixMorgha: Fixed incorrect projectile SFX on the Morgha's regular and alt-fire.
  • fixMorgha: Fixed missing Heavy Gun summon SFX for the Morgha.

🖥️UI/UX(6)

  • fixMod Menu: Fixed overlaid Mod or Upgrade screens remaining on-screen when swapping to other menus like Riven rolling or Ayatan Treasures.
  • changeProfiles: Updated the music when viewing player Profiles.
  • fixMod Menu: Fixed minor UI misalignment on Stats, Rank Bonuses, Overlevelling, Search, and Sort elements in the Upgrade and Mod menus.
  • fixBounties: Fixed Mods missing their background in the Bounty Stage Complete Reward pop-up.
  • fixSimulacrum: Fixed a non-functioning purchase button appearing on unowned Color Palettes in the Simulacrum Arsenal.
  • fixVarzia: Fixed a minor visual issue with Varzia's backing image in the Twitch Drops inbox message.

⚙️Performance & Platform(7)

  • removeEpic Launcher: Disabled coupons for players using the Epic Launcher due to an exploit.
  • changePerformance: Made optimizations to the game's memory footprint.
  • changePerformance: Addressed server traffic and bandwidth optimizations (Hotfix 40.0.5.1).
  • fixPerformance: Fixed a rare crash when returning from a mission.
  • fixSteam: Fixed a rare crash when logging in on Steam.
  • fixRailjack: Fixed a rare crash when returning to the Dry Dock from a Railjack mission.
  • fixEpic Launcher: Fixed the 'You have pending packs' prompt being triggered by old packs on the Epic Launcher.

🎨Visuals & Audio(5)

  • fixDagath Yhavan Skin: Fixed texture issues on the Dagath Yhavan Skin.
  • fixDecorations: Fixed texture issues on the bottom of various Zariman and Nature Dojo decorations.
  • fixCorpus Ships: Fixed cases of Corpus Ships not rendering properly during the fly-in cinematic.
  • fixArsenal: Fixed the Arsenal opening SFX being muffled.
  • fixSprodling: Fixed incorrect SFX on the Sprodling decoration.

🚀Railjack(1)

  • fixPlexus: Fixed cases of Railjack Mods appearing in the wrong tab after placing them in the Battle or Tactical tabs of the Plexus.

Summary

Gameplay & QoL Improvements

This update focuses on refining the player experience by removing intrusive screen shake from companion melee attacks and optimizing memory usage. A significant change was made to Vapos Specter availability, shifting from a daily to a weekly purchase limit to resolve reset issues.

Quest & Bounty Fixes

Several progression blockers have been addressed, particularly in the Deepmines Bounties where host migrations previously broke hacking terminals. Quests including The New War, The Hex, and Vor's Prize received targeted fixes for map escapes, black screens, and spawning issues.

Warframe & Weapon Adjustments

Protea's Grenade Fan VFX has been toned down for better visibility, and a Transference lock bug affecting Sevagoth and Nokko has been resolved. Weapon-specific audio and projectile fixes were applied to the Morgha and Basmu.