Yesterday, Housemarque released the ill-fated Patch 1.3.3 for Returnal. The patch was supposed to fix rare crashes/hangs, trophies not unlocking, and players? inability to get through doors, amongst other issues. Unfortunately it introduced an issue all of its own: corrupted save files along with a nasty PS5 error code. Less than 24 hours later, Housemarque has released Patch 1.3.4, which reverts the bugged patch and means the game is safe to play for all players with existing save files. They’ve also issued advice for those whose save files were affected by the previous patch’s release.
Patch 1.3.3.  had fixed issues with healing behavior in Helios, increased the number of scout corpses, and addressed the issues with custom controller mappings in addition to the fixes mentioned above, but all of those updates have now been reverted through Patch 1.3.4 with the exception of the trophy fixes. Today’s new patch also fixed the keyboard exploit that allowed players to enter cheat codes. When Housemarque realised there was an issue with Patch 1.3.3., they rolled the game back to the more stable 1.3.1 build. Unfortunately some players had already suffered corrupted save files. The team has offered a couple of scenarios for those affected by the issues:

Some game saves will have become corrupted with Patch 1.3.3, but maintained their file size. Players with those save games are able to safely continue their progress after installing Patch 1.3.4, without the ne...