New Broadcom board slow wifi

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If you want to use wl on kernel 6.0 and don’t want to wait for the working version to migrate to stable branch, manual migration is possible.

The package is compatible and builds with 6.0 and older kernels.

Steps:

  1. install headers for kernels you have installed

For example

pamac install linux60-headers linux519-headers
  1. Download the specific version of the package

Choose a mirror from /etc/pacman.d/mirrorlist

Download these two files

unstable/community/x86_64/
    broadcom-wl-dkms-6.30.223.271-35-x86_64.pkg.tar.zst
    broadcom-wl-dkms-6.30.223.271-35-x86_64.pkg.tar.zst.sig
  1. Install the package
sudo pacman -U ./broadcom-wl-dkms-6.30.223.271-35-x86_64.pkg.tar.zst

EDIT - as of Stable update 2022-11-02, this workaround is no longer needed.