Bug#806695: libc6: Why still working on 2.21 in experimental instead of 2.22?

[Eric Valette <eric.valette@free.fr>]

Package: libc6
Version: 2.21-0experimental4
Severity: wishlist

I do see activity in glibc on experimental but still on glibC 2.21.
Any reason to not jump at 2.22?

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 4.1.13 (SMP w/8 CPU cores; PREEMPT)
Locale: LANG=fr_FR.UTF8, LC_CTYPE=fr_FR.UTF8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/bash
Init: sysvinit (via /sbin/init)

Versions of packages libc6 depends on:
ii  libgcc1  1:5.2.1-26

libc6 recommends no packages.

Versions of packages libc6 suggests:
ii  debconf [debconf-2.0]  1.5.58
ii  glibc-doc              2.21-0experimental4
ii  libc-l10n              2.21-0experimental4
ii  locales                2.21-0experimental4

-- debconf information:
* glibc/disable-screensaver:
  glibc/restart-failed:
* glibc/upgrade: true
* libraries/restart-without-asking: true
  glibc/restart-services: