Spotted at https://translatewiki.net/wiki/Thread:Support/About_MediaWiki:Openstackmanager-addedto/en_and_MediaWiki:Openstackmanager-failedtoadd/en
"GENDER support" is just when we mark a parameter with the gender function to prove to translators that you can actually use it on that particular parameter, right?
I'll take care of this soon.
Change 267447 had a related patch set uploaded (by MtDu):
Add GENDER support to some openstacker messages *addedto *failedtoadd
Change 267447 merged by jenkins-bot:
Mention that GENDER is supported for "addedto" and "failedtoadd"