The InlineColumnConfiguration plugin allows you to configure the column preferences inline in the view bugs page, via drag&drop.
Get the latest stable release from Github. You can also download the latest development version from the repository's master branch.
Please refer to the plugin's README file for details.
To report an issue or feature request for InlineColumnConfiguration plugin, visit Mantis BugTracker, Plugin - InlineColumnConfiguration.
The plugin is hosted at GitHub, along with other plugins at https://github.com/mantisbt-plugins/InlineColumnConfiguration.