I check table for openwrt's hardware and find r5c support only snapshot (https://openwrt.org/toh/views/toh_available_16128 but r2s have a full support.
Is there any hope for full support openwrt on r5c at the near future?

may be usefull for somebody - this topic accumulate info for running homebridge with cc253xx Zigbee stick 1) flash dietpi (I use dietpi 9.5.1 - bullseye) to emmc - see wiki -> load from sdcard (use SD image of friendlywrt, not "flasher" image) -> flash via emmc tools on friendlywrt -> rebo...