Continuing the discussion from Slow bidirectional routing speed on Raspberry Pi 4:
Yes, as I did specify in the original post:
maybe it's time for new project - https://medium.com/technology-hits/simplified-raspberry-pi-plant-watering-system-942099e4e2cd ?. try on older version or newer snapshot.
Why are you bringing up a topic you yourself marked as solved using a post yourself wrote??