Outer Wilds has been updated to version 1.12 today by Mobius Digital. You can find out the complete patch notes from here.
This patch simply addresses an issue with the game where it used to freeze after the credits. Based on the patch notes, this issue appears to only exhibit on the PS4 and PS5 and this should be resolved now after the release of the new update. You can get the details on this update with the patch notes below, or take a look at the official tweet.
Outer Wilds Update 1.12 Patch Notes
Outer Wilds Version 1.1.12.145 is now available on PlayStation! It fixes an issue where the game froze after the credits.