Patch for fixing the feeds:
=== modified file 'lib/plugins/blog/inc/feed.php'
--- lib/plugins/blog/inc/feed.php
+++ lib/plugins/blog/inc/feed.php
@@ -160,6 +160,7 @@
'!
There seems to be a bug in the template, which outputs some other ''(.*?)
!s' => '', // remove title
'##e' => '', // remove section edit buttons
'! )!s' => '', // remove category tags
+ '! )!s' => '', // remove category tags
// '!(p|h\d)>!s' => "\n\n", // end of paragraphs
// '!