In order to extend features around Timetracking, Minyaa Time has extended attributes of a Worklog.
Time Tracking Security
Time Tracking Fields (Estimates Time, Spent Time and Worklog) need more security than JIRA provides.
Permissions on Worklog
Some new Permissions and Conditions to extend the way to manage Worklogs for Issue.
Browse Worklog Permission
Project Permission Show Worklogs will allow you to grant access Worklog details to only allowed users.
Closure Periods
Worklog Closure Period feature allows to define limit date until the users are allowed to create or update Worklogs in past period.
Update Old Worklog Permission
Project Permission Update Old Worklogs will allow you to override rules defined in Worklog Update Closure (if enabled) to only allowed users.
Workable Issue Permission