Bug#1051028: google-chrome-stable: Google Chrome does not respect prefers-color-scheme for webpages on KDE Plasma

2023-09-03 Thread GwenDragon
Hello,

as xdg-desktop-portal* packages are responsible for GTK in Chromium related 
browsers i tried with:

ii  xdg-desktop-portal 1.8.1-1  amd64desktop integration 
portal for Flatpak and Snap
ii  xdg-desktop-portal-gtk 1.8.0-1  amd64GTK+/GNOME portal 
backend for xdg-desktop-portal
ii  xdg-desktop-portal-kde 5.20.5-1 amd64backend implementation 
for xdg-desktop-portal using Qt

No positive effects, webpages were not rendered dark, stayed in light mode.

After purging them, i tried with the backported:

ii  xdg-desktop-portal 1.16.0-2~bpo11+1 amd64desktop 
integration portal for Flatpak and Snap
ii  xdg-desktop-portal-gtk 1.14.1-1~bpo11+1 amd64GTK+/GNOME portal 
backend for xdg-desktop-portal
ii  xdg-desktop-portal-kde 5.20.5-1 amd64backend 
implementation for xdg-desktop-portal using Qt 

Both had no positive effects, webpages which had prefers-color-scheme: dark 
stayed light mode.

I hope, this additional information could help you.


-- 
Regards
GwenDragon

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Bug#1051028: google-chrome-stable: Google Chrome does not respect prefers-color-scheme for webpages on KDE Plasma

2023-09-01 Thread GwenDragon
Testcase


1. Open f.ex. https://gwendragon.de/ or https://youtube.com in Google Chrome 
2. Page has white background and is not rendered in CSS dark scheme

Expected


Page is rendered in dark CSS scheme 

Current
---

Page is rendered in light CSS scheme 

Additional
--

Works in 
- Firefox 117

Fails in
- Edge 116
- Chrome 116.0.5845.140
- Chrome 117.0.5938.35 beta
- Chrome 118.0.5979.0 dev
- Vivaldi 6.2.3105.45 Stable

In all Chromium related browsers chrome://settings/appearance was set 
to GTK long time ago to get Breeze Dark theme working. 

With browsers before Chromium 116 core all was ok with rendering in KDE.

KDE was installed with Debian 11 netinstaller some months ago and 
rendering workd in older browsers. 

More strangeness is that prefers-color-scheme works in a Debian 11.7 
GNOME installation! 

-- 
Regards
GwenDragon


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Bug#1051028: google-chrome-stable: Google Chrome does not respect prefers-color-scheme for webpages on KDE Plasma

2023-09-01 Thread GwenDragon
Package: google-chrome-stable
Version: 116.0.5845.140-1
Severity: important
Tags: a11y upstream
X-Debbugs-Cc: d...@gwendragon.de

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
 ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

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-- System Information:
Debian Release: 11.7
  APT prefers oldstable-updates
  APT policy: (500, 'oldstable-updates'), (500, 'oldstable-security'), (500, 
'oldstable')
Architecture: amd64 (x86_64)

Kernel: Linux 6.1.0-0.deb11.9-amd64 (SMP w/2 CPU threads; PREEMPT)
Kernel taint flags: TAINT_WARN, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8), 
LANGUAGE=de:en_US
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages google-chrome-stable depends on:
ii  ca-certificates 20210119
ii  dpkg1.20.12
ii  fonts-liberation1:1.07.4-11
ii  libasound2  1.2.4-1.1
ii  libatk-bridge2.0-0  2.38.0-1
ii  libatk1.0-0 2.38.0-1~bpo11+1
ii  libatspi2.0-0   2.38.0-4+deb11u1
ii  libc6   2.31-13+deb11u6
ii  libcairo2   1.16.0-5
ii  libcups22.3.3op2-3+deb11u2
ii  libcurl3-gnutls 7.74.0-1.3+deb11u7
ii  libcurl47.74.0-1.3+deb11u7
ii  libdbus-1-3 1.12.24-0+deb11u1
ii  libdrm2 2.4.104-1
ii  libexpat1   2.2.10-2+deb11u5
ii  libgbm1 20.3.5-1
ii  libglib2.0-02.66.8-1
ii  libgtk-3-0  3.24.24-4+deb11u3
ii  libnspr42:4.29-1
ii  libnss3 2:3.61-1+deb11u3
ii  libpango-1.0-0  1.46.2-3
ii  libu2f-udev 1.1.10-3
ii  libvulkan1  1.2.162.0-1
ii  libx11-62:1.7.2-1+deb11u1
ii  libxcb1 1.14-3
ii  libxcomposite1  1:0.4.5-1
ii  libxdamage1 1:1.1.5-2
ii  libxext62:1.3.3-1.1
ii  libxfixes3  1:5.0.3-2
ii  libxkbcommon0   1.0.3-2
ii  libxrandr2  2:1.5.1-1
ii  wget1.21-1+deb11u1
ii  xdg-utils   1.1.3-4.1

google-chrome-stable recommends no packages.

google-chrome-stable suggests no packages.

-- no debconf information

---

Chromium bug report  at 
https://bugs.chromium.org/p/chromium/issues/detail?id=1477568