Created attachment 691128 [details]
screenshot of 2 notifications

Environment:
openSUSE-Leap-42.2-DVD-x86_64-Build0164

Steps:
1. Install Leap 42.2 Beta1
2. Adding M17N repo 
   http://download.opensuse.org/repositories/M17N/openSUSE_Leap_42.2/
3. Install fcitx via repo M17N
4. waiting for updates

Results:
There are some updates in repo M17N the next day, and I got 2 update
notification in the system tray, see screenshot.

Analysis���
42.2 has merged patch 'gnome-settings-daemon-bring-back-updates-plugin.patch'
------
rpm -qa gnome-settings-daemon --changelog | less
* Fri Aug 26 2016 dimstar@opensuse.org
- Call autoreconf on SLE12 and Leap 42.x:
  gnome-settings-daemon-bring-back-updates-plugin.patch is also
  applied on Leap, hence autoreconf needs to run there too.

* Wed Aug 10 2016 sckang@suse.com
- Add gnome-settings-daemon-bring-back-updates-plugin.patch:
  Revert upstream commits fc22a8100fa40533fddfb4338160a20188e46c6b
  and e3e961c52419df5f2544b24957e71cf3a4c5ef85 to bring back the
  updates plugin.(bsc#991024)
------
And this patch is SLE only since SLED12SP2 upgraded to Gnome3.20 and doesn't
shipped Gnome Software. Jonathan created this pathch to bring back the dropped
notification for SLE. openSUSE using Gnome Software to show the notification.

Now we have two notifications one is from gnome-packagekit the other is from
gnome software.

Bug ID	997572
Summary	Leap 42.2 Beta1 got 2 update notification
Classification	openSUSE
Product	openSUSE Distribution
Version	Leap 42.2
Hardware	x86-64
OS	Other
Status	NEW
Severity	Normal
Priority	P5 - None
Component	GNOME
Assignee	bnc-team-gnome@forge.provo.novell.com
Reporter	qkzhu@suse.com
QA Contact	qa-bugs@suse.de
CC	ast@suse.com, behlert@suse.com, chcao@suse.com, cxiong@suse.com, fcrozat@suse.com, fezhang@suse.com, mawerner@suse.com, qkzhu@suse.com, qzhao@suse.com, sckang@suse.com, tyang@suse.com, wjiang@suse.com, xwang@suse.com, yfjiang@suse.com, ysun@suse.com
Found By	---
Blocker	---