I have been asked to give a second opinion on this FFe so here I am.
Since I am not part of the Desktop team I'm deferring the decision of whether
going with the PPA approach or the archive approach is the most optimal to the
Desktop leads. Personally I also feel that using a PPA here might be more
dynamic, but on the other hand I would always prefer 'official' bits and
features to land in the archive. It's a tricky territory I must say. I guess
because of our times with the stable-overlay PPA, I'm a bit shellshook
regarding PPAs as 'semi-official delivery mechanisms' - but that's just me.
Anyway, as said, I'm leaving the decision of which one is better from the
practical POV to the Desktop team, and so far I've been told that the
management decision was made to get it into the archive.
With my release team hat on, to be able to approve this FFe I'd need to
be sure that adding this feature so late in the cycle will not introduce
regressions, therefore delaying the release. In this case, even though
the change is quite big, I think the gsettings key makes this rather
safe to land from this POV.
One thing I would not accept is blocking the disco release on this
feature in any way. Like, once this 'disabled-by-default' feature lands
in the archive but appears to be broken in some way that would delay our
delivery of 19.04, to me this warrants an instant-revert instead.
With all this being said and some of the internal discussions I had with the
Desktop team, I would like to approve this FFe under the above conditions.
Sorry about that Laney - just so you know: your arguments were sane and it took
me quite a bit to get convinced the other way around. I'll be taking the blame
for it in case anything goes wrong.
Also, please land this ASAP and, at best, make sure this gets into the archive
before the beta images are built. In case we notice anything wrong with the
Beta images because of this, we can quickly revert and forget about it.
** Changed in: gnome-shell (Ubuntu)
Status: Confirmed => Triaged
** Changed in: gnome-control-center (Ubuntu)
Status: Confirmed => Triaged
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-control-center in Ubuntu.
https://bugs.launchpad.net/bugs/1820850
Title:
[FFe] Distro patch GNOME hi-dpi support for x11 sessions
Status in gnome-control-center package in Ubuntu:
Triaged
Status in gnome-shell package in Ubuntu:
Triaged
Bug description:
The first part of our work on better handling of HI-DPI screens got merged
upstream in 3.32, but it's for wayland only
https://blog.3v1n0.net/informatica/linux/gnome-shell-fractional-scaling-in-wayland-landed/
Since our default session in Ubuntu is based on xorg we would like to
distro patch the x11 equivalent for Disco so our users can benefit
from the feature.
Updates packages are up for testing in that ppa
https://launchpad.net/~3v1n0/+archive/ubuntu/mutter-x11-fractional-scaling
The main change is
https://launchpadlibrarian.net/415722066/mutter_3.32.0-1_3.32.0-1ubuntu1~xrandrscaling3.diff.gz
The ppa also includes a bugfix and a settings change to allow easy
configuration.
Note that the feature is behind an experimental gsettings key and the code
has no impact on the rendering for users who don't enable it, which means it
shouldn't be too risk. It's available as a opt-in for those who want to test it.
From our testing it works fine and we feel like it's ready to be included. We
do plan to get that work merged upstream in the next cycle so it should not be
an Ubuntu delta to carry over forever.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1820850/+subscriptions
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