Hi, FYI I have created a minimal prototype [2] of how I'd see feature flags in Sling, as suggested a while ago by Henry Saginor in SLING-3148.
The slides at [1], that Tommaso tweeted today, are full of good ideas about this. -Bertrand [1] http://www.paulhammond.org/2010/06/trunk/alwaysshiptrunk.pdf [2] https://svn.apache.org/repos/asf/sling/whiteboard/bdelacretaz/feature-flags