The Ascent has been updated to version 1.04 today by Neon Giant. You can get the complete patch notes for this update from here.
Based on the official patch notes, this update is related to the save data backup creation process. It helps to keep the save data backed up in case there is some corruption during saving the game. If you had your save data wiped out then it is best to install this update in order to keep it safe from any problem.
The Ascent Update 1.04 Patch Notes
- Enabled save data backup creation and restore in case of save data corruption.