I have one site that has been set with both sidebar widgets on the right.
I use the two widgets:
The first sidebar widget area (will always be displayed on the right hand side).
The second sidebar widget area (will always be displayed on the left hand side).
I have one text widget in each widget area, but they both appear in the second widget area, on the left hand side.
Nothing appears in the right sidebar
This happens even if I use Sidebar/Content/Sidebar or Content/ Sidebar/Sidebar
Column Width Settings are:
Container width 1200px
Two Column Mode
840 px Content
280 px Sidebar
Three Column Mode
I assume this has changed since the recent upgrade, as I didn't notice the problem before.