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Plugins Directory » Redmine Reaction Notifier

Author: Yasu Saku
Website: https://github.com/sk-ys/redmine_reaction_notifier
Code repository: https://github.com/sk-ys/redmine_reaction_notifier
Registered on: 2026-03-08 (5 days ago)
Current version: 0.2.1
Compatible with: Redmine 6.1.x
User ratings:   (0)

Overview

A Redmine plugin that sends email notifications to content authors when another user reacts to their post.
The reaction feature was introduced in Redmine 6.1( #42630 )

Features

  • Sends an email when someone reacts to content. Recipients are determined as follows:
    • Issue : the assigned user (assigned_to) if present; otherwise the issue author.
    • Journal : the user who created the journal entry.
    • Message , News , WikiContent : the content author.
  • Skips notification when the reactor is the same person as the recipient (author or assignee).
  • Skips notification when the recipient's account is inactive or has no email address.
  • Respects the recipient's language setting for the notification email.
  • Users can enable/disable reaction notifications in their account preferences (My account > Preferences).
    • By default, notifications are enabled.
    • No database table modifications required; uses Redmine's built-in UserPreference model.

Installation notes

  1. Copy (or clone) this plugin into plugins/redmine_reaction_notifier inside your Redmine installation.
  2. Restart Redmine.

Changelog

0.2.1 (2026-03-09)

Compatible with Redmine 6.1.x.

0.2.0 (2026-03-08)

Compatible with Redmine 6.1.x.