If you can not upgrade your Qt to >=5.4 and stuck with Qt-4.x by some reason, I don't have a recipe to fix/workaround the issue with Thai shaping/rendering. Konstantin -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/harfbuzz/attachments/20150302/29de216c/attachment.html>