Is Single Logout implemented in Idp v3.1.2 ?

[Peter Schober]

* Павел Шашко <pavel.shashko at gmail.com> [2015-09-14 09:40]:
> I set it to true and now logout for one SP works perfect, but if I try to
> login to second app using SSO and after that try to do single logout,
> really logout occurs only on that SP, where I began logout process.

I thought the documentation (and status quo in the issue tracker) was
clear that propagation of SLO requests to SPs wasn't implemented yet?
-peter