Very Unstable Patch on PS5

Product: Apex Legends
Platform:PlayStation 5
Please specify your platform model. Sony PlayStation 5
What is your gamertag/PSN ID/EA Account name? nebcinema
Please provide your squad mates' gamertag/PSN ID/EA Account name if possible. N/A
Are you using any software with an overlay? No
Which Legend were you playing (if applicable)? N/A
Which Legends were your squad mates using (if applicable)? N/A
Where did the issue occur? In the lobby (waiting area before the match)
Which part of the map or menu were you in? If you don't remember the exact name, please describe the area or what you were trying to do in the menu. Any part of the menu, doesn't seem to matter.
What were you doing when the issue occurred? E.g. respawning a squad mate at a beacon, using an ability, a squad mate left the game. Clicking through menu items, selecting a Legend, changing game modes, etc.
Did your squad mates also experience the issue? I don't know
How many matches had you played in a row before the issue occurred? 0
When did this happen? (dd.mm.yy hh:mm) 12/1/2022
How often does the bug occur? Occasionally (10% - 49%)
How severe is your issue? Major impacts to gameplay
What happens when the bug occurs? The game hard crashes, and reverts to Sony's crash-report menu.
What should be happening instead? Not crashing.
Steps: How can we find the bug ourselves? Browse through menus on PS5.

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Immediately after the patch went live, the lobby menus became unstable. The game is crashing 5-6 times a session, forcing restart. The severity of the crash is worsening, causing the console to freeze and requiring a hard reboot and memory repair procedure. There doesn't seem to be a strict pattern: it doesn't seem to matter what menu items I use. If I avoid the menus, it doesn't seem to crash as often. I'm guessing there's a memory leak in the menu somewhere, or a bad index counter.