Depending on how desperate you are, you might try the 4.0 beta (this might be a one-way door though - at least without doing u-boot).

Alternatively, you might try a stock build (I’d stay with 21.02.5 at the moment due to nftables/iptables issues), which uses a different (open source) wireless driver. You can use the travelmate package (and luci-app-travelmate) to automate setting up/connecting to wireless networks.