### 4.1.5
– **[IMPORTANT]** As of version 4.1 Comments are now a separate Source (if you are using Comments for any Post Type Source you *will need to edit your Engine and rebuild your index*, this is not done automatically and should be planned for when updating)
– **[Fix]** Exact match buoy in partial match logic
– **[Fix]** Implementation of query when `site` is set to `’all’` to search all network sites
– **[Improvement]** Partial match logic
– **[Improvement]** Handling of invalid tokens when finding partial matches
– **[Improvement]** Performance when applying delta index updates
– **[Improvement]** Performance when dropping Entries
– **[Improvement]** Handling of duplicate tokens in some cases