With the release of macOS Sonoma 14.4 beta 1 and beta 2, OpenCore Patcher’s WiFi root patches for Boradcom cards has been broken but thanks to the developers of OCLP, with the new update to the OpenCore Patcher nightly build (1.4.0) and with new modifications to IOSkywalkFamily.kext (IOSkywalkFamily-v1.1.0) you can once again apply the root patches to enable the WiFi on your unsupported Macs and hacks.
If you need to download the OpenCore Patcher nightly builds just follow the instructions explained at:
https://github.com/dortania/OpenCore-Legacy-Patcher/blob/main/SOURCE.md
You can find a link to the GUI (Graphical Based App) app for the latest stable release of OpenCore Patcher in the link above.