Metal Gear Solid 4 Update 1.4.2 Fixes Act 4 Progression Bugs and Long-Session Instability

by Ali Haider

METAL GEAR SOLID 4: Guns of the Patriots – Master Collection Version update 1.4.2 is now available, addressing several progression-blocking bugs and stability problems. Released on November 5, 2026, the patch fixes an issue that prevented players from advancing beyond the results screen in Act 4 under certain conditions.

The update also resolves a separate progression issue following Act 4’s opening cutscene when using specific configurations. Other fixes address a bug involving the Drum Can that could prevent further progression after hitting certain enemies, along with instability experienced during extended gameplay sessions.

Metal Gear Solid 4 Update 1.4.2 Patch Notes

Progression Fixes

  • Fixed an issue that prevented progression beyond the results screen in Act 4 under certain conditions.
  • Fixed an issue that prevented progression following the opening cutscene in Act 4 under certain configurations.
  • Fixed an issue where hitting certain enemies with a Drum Can could prevent further progression.

Stability Improvements

  • Fixed an issue that caused instability during extended gameplay sessions.

METAL GEAR SOLID 4: Guns of the Patriots – Master Collection Version was released on August 27, 2026, for PC, PlayStation 5, Xbox Series X|S, and Nintendo Switch. The game was developed and published by KONAMI.

Have you noticed these changes? Share your thoughts in the comments!

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