I've been asked to write a news item for jpeg upgrade by few developers.
Personally I don't see it's required, it's a default library upgrade,
but here's my attempt:

Title: Upgrade from media-libs/jpeg 6b to 7
Author: Samuli Suominen <ssuomi...@gentoo.org>
Content-Type: text/plain
Posted: 2009-09-22
Revision: 1
News-Item-Format: 1.0
Display-If-Installed: media-libs/jpeg

Since media-libs/jpeg-7 the .so version changed from libjpeg.so.62
to libjpeg.so.7. This will break temporarily a lot of packages,
including environments like Gnome, Xfce4 or KDE. You will need to run
revdep-rebuild from gentoolkit package.

Installing media-libs/jpeg-compat isn't the correct solution because
the package is meant to be used only with binary only applications like
games-strategy/savage2-bin where recompiling isn't an option.

You can temporarily install media-libs/jpeg-compat to get libjpeg.so.62
back so you'll be able to run applications again but it will most likely
cause you random crashing issues. [1].

For more information see [2] and [3].

[1] http://bugs.gentoo.org/show_bug.cgi?id=279227
[2] http://bugs.gentoo.org/show_bug.cgi?id=285598
[3] http://forums.gentoo.org/viewtopic-t-792906.html

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