Thanks Andrew for your patience!
I got 2 blinds and 2 remotes, they both behave the same way. Both working fine when buttons are connected directly to the blind it self.
BTW the only event in history (every time) is right after pairing the button Button Held and nothing after that. Tried pairing using Scan for nearby devices and searching for Ikea button. Same result.
When you say to try different Group you mean under Device Settings in the ST app?
Is there way to check the FW version on the button it self!
Will edit the lines next time, I just wasn’t sure if it’s important or not.
UPDATE
Tried to change the group, and no difference.
It just shows in the logging, but pressing buttons, incl. the pairing button does nothing.
Also tried to change the Driver to Zigbee Thing, also no change.