[Bug 1539250] [NEW] Available updates are grouped randomly in the list

[Mark]

Public bug reported:

On running update-manager you are presented with a list of available
updates. update-manager uses some algorithm to group updates into
categories. However exactly which updates are grouped together seems to
be random, with unrelated updates being grouped together. And if you
check again for updates again later, the new list can be presented
grouped in a different way.

For example see the attached screenshot. Under the Character Map group
there is "Collection of video4linux support libraries" which is (I
think) unrelated to Character Map.

In other cases I've seen Ubuntu packages appearing under "Dolphin" (a
game console emulator I have added a PPA for) in the list.

** Affects: update-manager (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "update-manager.png"
   https://bugs.launchpad.net/bugs/1539250/+attachment/4558621/+files/update-manager.png

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https://bugs.launchpad.net/bugs/1539250

Title:
  Available updates are grouped randomly in the list

Status in update-manager package in Ubuntu:
  New

Bug description:
  On running update-manager you are presented with a list of available
  updates. update-manager uses some algorithm to group updates into
  categories. However exactly which updates are grouped together seems
  to be random, with unrelated updates being grouped together. And if
  you check again for updates again later, the new list can be presented
  grouped in a different way.

  For example see the attached screenshot. Under the Character Map group
  there is "Collection of video4linux support libraries" which is (I
  think) unrelated to Character Map.

  In other cases I've seen Ubuntu packages appearing under "Dolphin" (a
  game console emulator I have added a PPA for) in the list.

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