Can confirm it is still happening in 26.4 snapshot 4. It is unplayable in minimized mode.
Can confirm.
Can confirm, it’s completely broken, and I thought it was an issue with my graphics card
Can confirm in 24w19a
Glint strength is in 100% and it's still not showing up when holding enchanted items such as enchanted books or enchanted gapples
Can confirm it’s partially fixed in 26.4 snapshot 5. When using Vulkan only, it doesn’t render incorrectly. However, using the new DXGI introduced in 26.4 snapshot 5 makes it appear once again.
Vulkan only:
Vulkan + DXGI:
Seems like this issue has something to do with Windows-only drivers, as mentioned by @wilsontulus