CD Projeckt Red have released a small hotfix to address some of the crashes, addressed the 8MB memory limit resulting in corruption on save files and patched the NPC Dum Dum in the job Second Conflict.
It's important to note that they can't recover the corrupted save files caused by the soft limit issue.
Official Statement:
Hotfix 1.06 is available on PC and consoles! Here is the full list of changes:
Source: https://forums.cdprojektred.com/index.php?threads/hotfix-1-06.11062418/