Communication from WIFI to LAN and vice versa not working since 6.x

Dear Turris Forum,

since update to TOS 6.x communication of devices on WIFI and LAN does not work anymore.

Please see my config (WIFI MAC addresses and WIFI keys omitted):

# cat /etc/config/network 

config interface 'loopback'
	option proto 'static'
	option ipaddr '127.0.0.1'
	option netmask '255.0.0.0'
	option device 'lo'

config globals 'globals'
	option ula_prefix 'fdde:bf51:6ec6::/48'

config interface 'lan'
	option proto 'static'
	option netmask '255.255.255.0'
	option ip6assign '60'
	option ipaddr '172.16.0.1'
	option device 'br-lan.1'

config interface 'wan'
	option proto 'dhcp'
	list dns '172.16.0.26'
	option peerdns '0'
	option device 'eth2'

config interface 'wan6'
	option _orig_ifname '@wan'
	option _orig_bridge 'false'
	option proto 'dhcpv6'
	option reqaddress 'try'
	option reqprefix 'auto'
	list dns 'fdde:bf51:6ec6::26'
	option peerdns '0'
	option device '@wan'

config device 'br_lan'
	option name 'br-lan'
	option type 'bridge'
	list ports 'lan0'
	list ports 'lan1'
	list ports 'lan2'
	list ports 'lan3'
	list ports 'lan4'

config bridge-vlan
	option device 'br-lan'
	option vlan '1'
	list ports 'lan0'
	list ports 'lan1'
	list ports 'lan2'
	list ports 'lan4'

config bridge-vlan
	option device 'br-lan'
	list ports 'lan2:t'
	list ports 'lan3'
	option vlan '3'

config interface 'VLAN'
	option proto 'none'
	option device 'br-lan.3'
# cat /etc/config/wireless 

config wifi-device 'radio0'
	option type 'mac80211'
	option country 'DE'
	option macaddr ''
	option band '5g'
	option cell_density '0'
	option htmode 'VHT40'
	option channel '36'

config wifi-device 'radio1'
	option type 'mac80211'
	option country 'DE'
	option channel '3'
	option macaddr ''
	option band '2g'
	option cell_density '0'
	option htmode 'HT20'
	option disabled '1'

config wifi-iface 'wifinet0'
	option ssid 'utopia'
	option device 'radio0'
	option mode 'ap'
	option network 'lan'
	option key ''
	option encryption 'sae'

config wifi-iface 'wifinet1'
	option ssid 'utopia'
	option device 'radio1'
	option mode 'ap'
	option network 'lan'
	option key ''
	option encryption 'sae'
	option disabled '1'

Client isolation is unset. Devices on WIFI and LAN reach the router and Internet, but not each other. What could I do?

I believe you might suffer from this bug VLAN filtering broken in kernel 5.15.x (hbl) (#355) · Issues · Turris / Turris OS / Turris Build · GitLab