Jake Su
The update will require 1.3GB of space and is all about finding the right balance for the Tower of Sisyphus mode. Unfortunately, the patch notes do very little in letting players know exactly what was changed to rebalance things. However, if you are still curious about what has been tweaked in this latest patch for Returnal, here are the relevant details:

Tower of Sisyphus: Added Audio Logs to new locations in the towerTower of Sisyphus: Fixed a rare issue where Algos might refuse to die, or die too early in the towerTower of Sisyphus: Increased leaderboard scrolling speedCo-Op: Fixed several issues where a client or host might encounter a black screen or hang when moving between biomes during co-op playCo-Op: Fixed multiple minor gameplay bugsCo-Op: Fixed two rare crashes in co-op mode

If you are still plugging away at Returnal or is coming into it fresh, be sure to check out our Returnal guide wiki for all the important information that will help you survive the horrors of Helios. For everything else, you can search Twinfinite.

Returnal Breaks the Cycle on PC With an Official Release Date & Graphics Setting Info Returnal Will Be the Next PlayStation Exclusive Headed to PC Returnal Wins Best Game and More at 2022 BAFTA Games Awards Returnal: How to Start Tower of Sisyphus Returnal Multiplayer Explained: Is There Co-Op & How Asynchronous Multiplayer Works
Latest Returnal Patch Sees Difficulty Adjustments for Tower of Sisyphus - 84