I have added an RSS formatted version of the New Recent Changes script.
www.feedicons.com
The script takes parameters. Use smaller values of days as you update more frequently, use smaller values of min as you become more interested in minor editing.
c2.com 
-- casual reader
I was inspired by Earle's script, but felt that this capability would be better coded on the host server, especially now that revisions in how recent changes are tracked make it easy. -- Ward Cunningham
12 hours is the default if you specify no parameters.
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Could you add a pubDate in the RSS feeds ? That would be better for reader using the feeds and expecting a date -- Alexandre Dulaunoy
See original on c2.com