Re: [gentoo-dev] [RFC] News Item v2: KDE Plasma 6.1.4 and Gear 24.05.2 Upgrade

[Sam James <sam@gentoo.org>]

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Andreas Sturmlechner <asturm@gentoo.org> writes:

> Title: KDE Plasma 6.1.4 and Gear 24.05.2 Upgrade
> Author: Andreas Sturmlechner <asturm@gentoo.org>
> Posted: 2024-08-31
> Revision: 1
> News-Item-Format: 2.0
> Display-If-Installed: kde-plasma/plasma-workspace:5
>
> Reasons
> =======
>
> KDE Plasma 5 has reached end of life and is no longer supported by Gentoo.
> Qt5 upstream OSS support ended on 2020-12-08, and LTS releases - even with
> considerable effort by KDE community's backports on top - only go so far.
> It is therefore required for all users to upgrade to KDE Plasma 6[1].
>
> At the same time, KDE Gear 24.05.2 is provided with most applications ported
> over to KDE Frameworks 6. As long as KF5-based applications are being shipped
> with the KDE Gear bundle, and other non-KDE Qt5-based applications still
> common in ::gentoo repository, it is advised *not* to disable USE="qt5".
>
>
> Changes
> =======
>
> Not many - much like Qt6, this is mostly an evolution of the existing
> codebase, no disruptive feat.
>
> Plasma Wayland support has come a long way and therefore KDE developers have
> decided to make it the default login session for Plasma 6, even if some
> known papercuts[2] remain. For users affected too much by those, switching
> to the still existing X11 session is as easy as selecting it in the display
> manager of choice. Disabling USE="wayland" is *not* changing this default,
> it will yield no dependency savings, and we advise against doing so. It does
> not affect users' X11 sessions.
>
> In Gentoo:
>
> The 32-bit ~arm/arm keyword was inconsistent across KDE Plasma, KDE
> Frameworks, and KDE Gear, and has been dropped.
>
> The situation for x86 was similar to arm and test failures often blocked
> stabilization. Stable x86 has been dropped, ~x86 was dropped for KDE PIM,
> dev-util/kdevelop and any other dev-qt/qtwebengine:6 reverse dependencies.
>
>
> User Action Required
> ====================
>
> For users of a plasma profile[3], no specific upgrade steps are necessary,
> although some precautionary measures are advised before and during upgrade:
>
> - Switch to a standard (Breeze or Oxygen) theme
> - Depclean kde-misc/latte-dock, it is unfit for Plasma 6 (and masked already)
> - Cleanup sets and @world from any SLOT or version pinning of KDE packages
> - If possible, perform the upgrade not inside a running Plasma session
>
> Necessary USE flag changes were already made in plasma profile, therefore
> only users of other profiles should set USE="kf6compat qt6" globally[4].

"Users are recommended to run the following command (pretend-only) to identify packages
in @world which have been removed, to help reduce conflicts:

    emerge -pev @world -backtrack=0

Then for any "no ebuild available" messages, either resolve it by making
the needed changes, or emerge --deselect them. Then proceed to the world
upgrade below.

>
> Once the packages become available on your arch, it should be as simple as
> update @world:
>
>     emerge -aquUD @world
>
>
> [1] https://kde.org/plasma-desktop/
> [2] https://community.kde.org/Plasma/Wayland_Known_Significant_Issues
> [3] https://wiki.gentoo.org/wiki/KDE#Profile
> [4] https://wiki.gentoo.org/wiki//etc/portage/package.use

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