With some labels the text-alignment is broken on exports/previews. It seems this happen when labels have more than three lines (sometimes also with two?). They are centered in the editor (as expected), but if exporting to PDF, PNG and (accordingly) in the preview the alignment is broken and they appear more or less to the right of the center. See following pictures for an example of the differences between the view in the editor:
... and the generated png:
With some labels the text-alignment is broken on exports/previews. It seems this happen when labels have more than three lines (sometimes also with two?). They are centered in the editor (as expected), but if exporting to PDF, PNG and (accordingly) in the preview the alignment is broken and they appear more or less to the right of the center. See following pictures for an example of the differences between the view in the editor:
... and the generated png:
