I can confirm that this issue is fixed in my Macbook Pro after upgrading to
6.1.67-1 from bookworm-proposed-updates.
-----------------------
# lspci -vvv
02:00.0 Network controller: Broadcom Inc. and subsidiaries BCM4331
802.11a/b/g/n (rev 02)
...
Kernel driver in use: wl
Kernel modules: bcma, wl
# modinfo wl
filename: /lib/modules/6.1.0-16-amd64/updates/dkms/wl.ko
license: MIXED/Proprietary
alias: pci:v*d*sv*sd*bc02sc80i*
depends: cfg80211
retpoline: Y
name: wl
vermagic: 6.1.0-16-amd64 SMP preempt mod_unload modversions
sig_id: PKCS#7
...
#
Thanks.