The problem is quickly explained:
$this->bbcode_second_pass_code('', '
$ tar tvf firmware-raspberrypi-20220411-1-any.pkg.tar.xz | grep brcmfmac43436-
-rw-r--r-- root/root 416101 2022-04-11 18:03 usr/lib/firmware/updates/brcm/brcmfmac43436-sdio.bin
-rw-r--r-- root/root 11209 2022-04-11 18:03 usr/lib/firmware/updates/brcm/brcmfmac43436-sdio.clm_blob
-rw-r--r-- root/root 1613 2022-04-11 18:03 usr/lib/firmware/updates/brcm/brcmfmac43436-sdio.txt
$ tar tvf firmware-raspberrypi-20220505-1-any.pkg.tar.xz | grep brcmfmac43436-
-rw-r--r-- root/root 11209 2022-05-05 17:33 usr/lib/firmware/updates/brcm/brcmfmac43436-sdio.clm_blob')
Dmesg with the working, old firmware package:
$this->bbcode_second_pass_code('', '
[ 12.089735] brcmfmac: F1 signature read @0x18000000=0x1542a9a6
[ 12.108425] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43436-sdio for chip BCM43430/2
[ 12.114893] usbcore: registered new interface driver brcmfmac
[ 12.122518] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43436-sdio.raspberrypi,model-zero-2-w.bin failed with error -2
[ 12.276304] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43436-sdio for chip BCM43430/2
[ 12.279683] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43436-sdio for chip BCM43430/2
[ 12.313270] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43430/2 wl0: Mar 31 2022 17:24:51 version 9.88.4.77 (g58bc5cc) FWID 01-3b307371
[ 12.637583] brcmfmac: brcmf_cfg80211_set_power_mgmt: power save enabled')
Dmesg with new firmware package:
$this->bbcode_second_pass_code('', '[ 12.699391] brcmfmac: F1 signature read @0x18000000=0x1542a9a6
[ 12.706947] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43436-sdio for chip BCM43430/2
[ 12.722216] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43436-sdio.raspberrypi,model-zero-2-w.bin failed with error -2
[ 12.727668] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43436-sdio.bin failed with error -2
[ 12.734045] usbcore: registered new interface driver brcmfmac
[ 12.739255] brcmfmac: brcmf_fw_alloc_request: using brcm/brcmfmac43430b0-sdio for chip BCM43430/2
[ 12.748768] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430b0-sdio.raspberrypi,model-zero-2-w.bin failed with error -2
[ 12.769268] brcmfmac mmc1:0001:1: Direct firmware load for brcm/brcmfmac43430b0-sdio.bin failed with error -2
[ 13.779181] brcmfmac: brcmf_sdio_htclk: HT Avail timeout (1000000): clkctl 0x50')