materials
adodb: parse port from hostname for mysql
xmldb: create mysql tables in InnoDB
files: no size of directories
mod/forum: disallow subscribe on restore
upload: optimize query on clam_change_log
mymoodle: assignment submissions per group
mymoodle: optimize assignments overview
course: outline report only for admins
db: fix indexes
mod/resource: optimize user outline query
mod/quiz: skip unnecessary query
backup: skip unnecessary calls to log_check_backup
gitignore
mod/forum: optimized queries
mod/forum: show unread messages in group menu selector
group: optimized query in groups_delete_group_members
mod/assignment: limit number of submissions per page
mod/data: limit number of entries per page
grade: limit number of students per page