I am on Windows and am having this problem as well. Every time I attempt to log on to Minecraft, the game crashes and gives me an error code of 0. It's been 2 weeks now and I still have not been able to get on. Side note: I don't know if this is helpful, but I'll say it anyway. Back when the issue first started, in an attempt to fix it, I updated my windows to version 11, and then when I tried logging on, it worked. I then downloaded a shader mod a little while later, but after I did the problem immediately started again and I could not get past the loading screen. I have since removed the shader mod, and have tried reinstalling Minecraft and Java altogether multiple times, but nothing has worked. So I wonder if maybe this is a problem with Java itself and not Minecraft. Regardless, I really hope Microsoft is able to fix this problem soon, so I am able to play Minecraft again.
I am on Windows and am having this problem as well. Every time I attempt to log on to Minecraft, the game crashes and gives me an error code of 0. It's been 2 weeks now and I still have not been able to get on. Side note: I don't know if this is helpful, but I'll say it anyway. Back when the issue first started, in an attempt to fix it, I updated my windows to version 11, and then when I tried logging on, it worked. I then downloaded a shader mod a little while later, but after I did the problem immediately started again and I could not get past the loading screen. I have since removed the shader mod, and have tried reinstalling Minecraft and Java altogether multiple times, but nothing has worked. So I wonder if maybe this is a problem with Java itself and not Minecraft. Regardless, I really hope Microsoft is able to fix this problem soon, so I am able to play Minecraft again.