Which Linux distributions are the developers of glibc using?

[Ondřej Bílka]

On Sun, May 31, 2015 at 03:18:29AM -0400, Mike Frysinger wrote:
> On 31 May 2015 02:37, james harvey wrote:
> > I don't get it.  Why are distributions applying bug fixes to packages
> > on their own, rather than submitting them upstream, to the actual
> > project?
> 
> because not all patches have yet been reviewed or fully triaged

Which ones? I looked at gentoo branch and can't remember about half of
patches that were submitted. Fedora wasn't synced since january 2014, so
I couldn't tell if all applicable patches were at least submitted.