The February 17 patch addressed several "quality of life" and stability problems reported by the Returnal community on Steam:

: Fixed PSN sign-in time-outs and a rounding error in Benchmark results.

: Fixed a rare bug where music would stop when entering a new Biome and corrected grass draw distance for those using "Epic" particle settings.

The file refers to the first post-launch patch for the PC version of Returnal , which was released on February 17, 2023. This update specifically targeted critical "day-one" technical issues that players encountered immediately after the game's Windows debut on February 15, 2023. Key Fixes in this Update

The suffix in the filename typically indicates that the update was packaged by "Peer-to-Peer" groups rather than an official digital storefront like Steam or Epic Games Store. While this update fixed initial bugs, players at the time still reported ongoing issues such as: Returnal - February 17th Patch is Now Available - SteamDB