Created attachment 120596 [details] Stacktrace I was exporting my slides in Impress to PDF and LibreOffice crashed. Stack trace attached. Machine is running Mac OS X 10.11 (El Capitan).
@Kristian : we're going to need a bit more information than that, I'm afraid, as I can't reproduce the problem with a simple one slide text-based Impress file having a title and a background image. Please provide us with a minimalist sample document that exhibits the buggy behaviour. OSX 10.11.1
I had hoped the particular stack trace and the hit assertion would give insight into the problem. When I re-opened the document and tried to export again it succeeded. If the crash occurs again I will let you know.
Per comment 2, setting as WFM