The selfwrite ACI keyword currently only applies when writing to attributes using the Distringuished Name syntax. It needs to also work with the Name And Optional UID syntax since that is the syntax used for the uniqueMember attribute.
Created attachment 355768 [details]
Pushed patch from comment#1 to master. Thanks to Rich for his review!
Regression test for this is automated in nightly acceptance testing - all ACL acceptance tests are passing on all supported operating systems.