#88941 is back on OS X 10.10.4, LO 188.8.131.52 Impress
When exporting presentation to PDF Justified formatting is converted to Align Left. Invariant of font used.
It hasn't reappeared in LO 4443, the fix in bug 88941 hasn't been backported to 4.4.x. A request for backport has already been made in bug 88941.
*** This bug has been marked as a duplicate of bug 88941 ***