After some effort, I've managed to install macOS Sonoma on my Ryzen machine. Loving the experience!

Specs

• Motherboard : Gigabyte B550M Aorus Elite (v1.3)
• CPU : AMD® Ryzen™ 5 5700X @ 3.40 GHz
• dGPU : Gigabyte Radeon RX 6700XT
• RAM : 4x 8 GB DDR4 3200 MHz
• Audio Codec : Realtek ALC897
• Ethernet : Realtek RTL8111/8168 PCIe Ethernet Network Adapter
• USB Chipset : AMD USB Chipset
• WiFi : TP-Link Archer T4U V3
• Display: 1x 24” Samsung C24F390
• Resolution : 2560px x 1080px
• Storage : 1x Adata XPG SPECTRIX S40G
• Bootloader : OpenCore r0.9.6
• macOS Version : macOS Sonoma 14.2.1 Build 23C71

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Sonoma 14.2.1

A strange thing during installation is that if the RTL8111.kext is enabled, the installer won't boot. However, if disabled, there's no issue. Perhaps something is preventing the RTL8111.kext from working well with the Gigabyte B550M motherboard. This issue doesn't occur with other variants, for instance, AsRock and other brands.