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ARC Raiders Update 1.4.0 Targeted the Locked-Room Door Exploit

Update 1.4.0 added exploit mitigation for locked rooms across ARC Raiders’ maps. Coverage described a flame-based deterrent, though the patch notes don’t specify the mechanism.
Length1 min Posted Quest giverVGSources Team
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ARC Raiders Update 1.4.0 rolled out on November 27, 2025, adding exploit-mitigation measures for locked rooms across every map. Contemporaneous coverage described the response as a flame-based deterrent, but the reproduced patch notes do not name that mechanism. “Best way possible” is a judgment, not a finding established by the update notes.

What the door exploit did—and what Update 1.4.0 changed

Contemporaneous reporting described a locked-room exploit that let players bypass the intended access route, enter rooms without the required keycard, and reach the loot inside. The November 27, 2025 notes for Update 1.4.0 say that exploit-mitigation mechanisms were added for all locked rooms across all maps. The notes do not explain how those mechanisms work. The reproduced update announcement also asked players to restart their client to begin downloading the update. GamesRadar’s contemporaneous coverage characterized the mitigation as flame-based. That implementation detail should be attributed to coverage rather than presented as wording from the patch notes.

What else the patch notes list

  • Fixed a gun exploit that let players fire faster than intended by swapping to a quick-use item and back.
  • Blocked exterior access to the Spaceport Control Tower locked room.
  • Fixed an issue that sometimes caused low-resolution textures in the main menu.
  • Fixed players being able to push one another by jumping onto each other’s backs.
  • Fixed lighting artifacts that sometimes appeared on entering maps.
  • Fixed Raider Voice so it correctly respects the selected voice option after a game restart.

What the historical record does—and doesn’t—establish

The announcement text available for the update is reproduced in a Reddit post, rather than a directly located official Embark page. GamesRadar and All Out Gaming published contemporaneous secondary coverage. Together, these sources support describing the update’s stated scope and how coverage characterized the deterrent; they do not establish that the same behavior remains in place today. No exploit-frequency, affected-player, or loot-impact statistic is provided in these sources, and the mitigation has not been independently tested here.

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