Mojang Status on Twitter: "There was an issue where the Minecraft Launcher didn't let some players on Windows 7 and Windows 8 sign in. This has now been resolved, and we apologize
![Screen is completely blank after installing shaders (Chocapic13) and yes I know I am using a modded Mc but does anyone know how to fix this? : r/ Minecraft Screen is completely blank after installing shaders (Chocapic13) and yes I know I am using a modded Mc but does anyone know how to fix this? : r/ Minecraft](https://i.redd.it/lxalwszndf831.jpg)
Screen is completely blank after installing shaders (Chocapic13) and yes I know I am using a modded Mc but does anyone know how to fix this? : r/ Minecraft
![1.8.x] Optfine's fullscreen not working in Mac's New Update (Big Sur) · Issue #5034 · sp614x/optifine · GitHub 1.8.x] Optfine's fullscreen not working in Mac's New Update (Big Sur) · Issue #5034 · sp614x/optifine · GitHub](https://user-images.githubusercontent.com/74478364/99161768-9290ef80-2749-11eb-9d02-691f4aaa0a66.png)