Hi, I'm looking for someone to test https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=19279 This performance optimisation is huge, around 10 times faster. But its in C4/Search.pm dirty code ;) Regrads, -- Fridolin SOMERS <fridolin.somers at biblibre.com> BibLibre, France - software and system maintainer