Okular stopped reloading a pdf file when the document has changed. This can be reproduced if a latex file is re-compiled again using kile. Previously, newly generated pdf file was used to displayed soon after any modifications with kile. Reproducible: Always Steps to Reproduce: 1. open a pdf using okular 2. modify pdf using other programs 3. new pdf file is not updated in okular.
It works for me all the time... Can you confirm if the issue is still there?