Nevermind - the reported issue is triggered by 'Scale elements' for the DPI change in Inkscape 0.92:
reproduced with Inkscape 0.92 r15299 on OX 10.7.5 and Windows 10
The other two options ("Set 'viewBox'", "Ignore") do not cause the text to be vertically flipped.
Nevermind - the reported issue is triggered by 'Scale elements' for the DPI change in Inkscape 0.92:
reproduced with Inkscape 0.92 r15299 on OX 10.7.5 and Windows 10
The other two options ("Set 'viewBox'", "Ignore") do not cause the text to be vertically flipped.