Performance changes
http://community.mybb.com/thread-132818-post-978951.html#pid978951
Update readme.md

Grammar
Fixex #2051 Profile fields post number not being checked in UCP (reverse-merged from commit 525b76aef1e4eb735ca5d17de19f00dcc0b79e0e)
Preparing for 1.6.10
Updated $templatelist
Performance changes
Star images not shown on profile
Fixes #1897 Unneeded query within usercp.php
Preparing for 1.6.10
Proper admin session invalidation
Don't update the attachment counter before a post is submitted
Fixes issue with disabled language button.
Fixes issue with help documents.
Improper variable sanitization
Fixes #2166 calling newreply with no tid does not show the correct error page
Fixes #2167 Calling polls.php with invalid pid shows sql error instead of correct error page
Fixes #1702 canonlyviewownthreads Permission Bug
Fixes #2059 Post Tools won't show up until a Thread Tool exists
Fixes #1515 Attachement in first post lost after merging posts below
Fixes #1611 '&' in RSS feed titles
Fixes #2134 AdmincP Bug