This addon is a plugin. You need to extract it to your /plugins folder to install it.
Inserts unread icon in front of unread comments and the last comment within indivdual discussions and Recent Icon for messages less than X hours old
Enable plugin ad adjust the 3 icon settings and the hours setting.
This plugin will add optional icons to comments on discussions page.
The last message will show an optional yellow icon with a red center.
Unread messages with show an optional black and white icon.
Recent posts less than a set number of hours will display a recent post icon
These icons will aid especially if you happen to use the reply-to add-on that intersperses messages.
1.2.1 - changed trigger so the plugin will also work with some versions prior to 220.127.116.11.
1.2 fix with multiple span pages. 1.2.2 add settings configuration options 1.2.3 fix viewing of left panel in dashboard and remove unnecessary permission settings. crux of plugin remains the same. 1.3 bug fix - tested in vanilla 18.104.22.168
As with all plugins READ the readme if you want to make things easy for yourself. As with all plugins, it is a good idea to disable plugin, install new version, and then enable and then check settings.