See OSM edits happen in real time.
This code is deployed and running here: https://osmlab.github.io/show-me-the-way/
By Bounding Box
You can restrict it to viewing only edits within a specified bounding-box like so:
Build a bounding box URL like that, using this page:
By Changeset Comment
You can restrict it to viewing only edits where the changeset comment matches a string:
You can combine the filters using querystring notation: