This issue is a follow up of the issue #2817495: Provide way(s) to examine "pending" changes in a Workspace in the workspace module. I provided a patch in the issue and I will upload a patch for the relaxed webservice module.
Grimreaper created an issue. See original summary.
Here is a patch that is more a WIP.
It also requires the following changes in the relaxed/replicator library: https://github.com/FlorentTorregrosa/couchdb-replicator/commit/edce6f49a...
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