Color banding on Mojave with Dell G7

I installed Mojave on my Dell G7. Everything seems to be okay except the graphics. When I use Launchpad or Dashboard or anything that make screen to blur, color banding shows up. I took a screenshot (Command+Shift+4) and opened it on Windows 10. Screenshot looks fine on Windows, completely no color banding like on macOS.

Can you help me with this?

Specs: - Dell G7 15 - Intel Core i7-8750H - 8GB RAM - Intel UHD Graphics 630 (1536MB VRAM shown in System Information) + Nvidia GTX 1060 Max-Q (Disabled with ACPI patch) - macOS Mojave 10.14.2 (spoofed as MacBookPro15,2)

submitted by /u/vinhtq115
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