Last modified: 2008-12-30 04:10:42 UTC
MWSearch/MWSearch.php, line 43, says: # Back-end version (override before including MWSearch.php) $wgLuceneSearchVersion = 2; At least on my wiki installation, the opposite is true: $wgLuceneSearchVersion must be set AFTER including MWSearch.php.
Fixed in r45173