The Callisto Protocol Update 1.25 for Massive Patch This July 17 (Update)

The Callisto Protocol Update 1.25

Striking Distance has released The Callisto Protocl update 1.25, and while this is an unannounced patch, it is a rather hefty download. Read on for what’s new in The Callisto Protocol patch notes for July 17.

The Callisto Protocol Update 1.25 Patch Notes | The Callisto Protocol July 17 Patch Notes:

Size: 12.8GB (PS5), 13GB (Steam)

Update: The full patch notes have been released for what the studio calls update 5.03!


  • Fixed an issue related to ray tracing which caused crashes


  • Fixed an issue where users could not obtain an unreachable audio log in Tower


  • Fixed Out-of-World streaming issues in Final Transmission
  • Continued performance optimizations

Unfortunately, nothing has been shared by Striking Distance on what got changed today. Even the community hasn’t figured out what the big downloads were for. We’re expecting a few bugs to be resolved, though no new content.

We’re keeping an eye out and will update the article if we see anything that got changed. We’ve also reached out to Striking Distance regarding the patch, and will update the article if we hear anything back.

You can read up on the Final Transmission content and patch roll out right here (which was released on June 27).

Update: The official patch notes are now avaiable.

Source: Callisto

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