Their virtual support assistant said that everything on the Microsoft side looks good and to contact the Minecraft Feedback support team.
Still having this issue on pre-release 3.
With some testing, it seems that redstone dust in place of the redstone repeater updates the original redstone just fine, but a redstone repeater does not.
TehBrian
Their virtual support assistant said that everything on the Microsoft side looks good and to contact the Minecraft Feedback support team.