This hotfix update should fix the issues with translucent blocks on NVIDIA cards.
I had to remove the ripple effect from the Nether portal, because that was causing the problem.
– Fixed issues with translucent blocks on NVIDIA cards
– Improved dynamic weather
– Added an extra menu for dynamic weather for more controls
– Removed reflections and refraction for the Nether portal
– Better material detection of the hand in first person view
– Fog blur can be disabled