See here: https://community.powerbi.com/t5/Desktop/Maintain-layer-order-does-not-work-when-published-to-service/m-p/1953910#M742125 In neither reports with previously working 'maintain layer orde...
Yep, same issue here. Thought it was me for a bit, and tried troubleshooting. Thought perhaps the custom theme I used was messing this feature up... wasted time, apparently, as I tried from a brand new report created in the service without ever changing the from the default theme and results still show this feature isn't currently working.