TrueUp not synching steps

I have a Fenix 5 plus and 935. I use both throughout the day depending on what training I have. I have trueup enabled on both and the fenix is my preferred devices. I have noticed recently that the steps are not synching across devices. There doesnt appear to be an issue with synching other data such as recovery, training load, etc. Steps are not synching which I would like to know at the end of the day. Any advice would be greatly appreciated. Thanks. R