2.4.0-b - 1.20.1 - Forge - Shaders Causing Darkness Mentioned in FAQ

If I update the mod to the release from a few hours ago all my LODs render as darkness as mentioned in one of the FAQs when shaders are on. If I downgrade back to 2.3.6 it's fine. So this is making me think this is an issue with the latest version and not necessarily another mod as the FAQ mentions. No other changes in between, just updating DH. Any ideas on things to try or should I just stay on 2.3.6?
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