Comment 18 for bug 1853617

Turns out the Cairo matrix currently loaded when calling ‘pango_cairo_create_context’ or ‘pango_cairo_update_layout’ affects the text metrics returned by later ‘pango_context_get_metrics’ calls. :-|

fixed in 4acd8b76ddd75ef6f1a306a07c19d07a370dbe50
  (branch ‘stable-1.10’)