Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Rechercher dans l’assistance

Évitez les escroqueries à l’assistance. Nous ne vous demanderons jamais d’appeler ou d’envoyer un SMS à un numéro de téléphone ou de partager des informations personnelles. Veuillez signaler toute activité suspecte en utilisant l’option « Signaler un abus ».

En savoir plus

Ce sujet de discussion a été archivé. Veuillez poser une nouvelle question si vous avez besoin d’aide.

115 scales the UI wrong in Wayland

  • 2 réponses
  • 0 a ce problème
  • 93 vues
  • Dernière réponse par Wayne Mery
  • Archivé

kari12
kari12

I just upgraded to 115 and now Thunderbird is not usable any more. I have a HiDPI 4K screen, KDE Plasma and Wayland. Everything in Thunderbird is HUGE! It cannot be used. All other apps, including Firefox scales right, without issues. What can I do?

Operating System: EndeavourOS KDE Plasma Version: 5.27.6 KDE Frameworks Version: 5.108.0 Qt Version: 5.15.10 Kernel Version: 6.4.3-arch1-2 (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz Memory: 15,3 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics Manufacturer: Dell Inc. Product Name: XPS 13 7390

I just upgraded to 115 and now Thunderbird is not usable any more. I have a HiDPI 4K screen, KDE Plasma and Wayland. Everything in Thunderbird is HUGE! It cannot be used. All other apps, including Firefox scales right, without issues. What can I do? Operating System: EndeavourOS KDE Plasma Version: 5.27.6 KDE Frameworks Version: 5.108.0 Qt Version: 5.15.10 Kernel Version: 6.4.3-arch1-2 (64-bit) Graphics Platform: Wayland Processors: 8 × Intel® Core™ i7-10510U CPU @ 1.80GHz Memory: 15,3 GiB of RAM Graphics Processor: Mesa Intel® UHD Graphics Manufacturer: Dell Inc. Product Name: XPS 13 7390

Toutes les réponses (2)

Toad-Hall
Toad-Hall
  • Top 25 Contributor

It would be helpful to understand what is going on if you could post this info: In Thunderbird 

-   Help > Troubleshooting Information
-   scroll down to 'Important Modified Preferences'
-   Copy all lines that start with 'font.' and paste info into this bug report.

I suspect you have a load of minim font sizes set much larger than the fixed and variable, so it's overriding everything. I need this info both to help you get things sorted and also because some people think it's a bug.

Wayne Mery
Wayne Mery
  • Moderator
  • Top 10 Contributor

kari12, please help us with feedback about the following....

We have determined that some users somehow have a non-default value for hidden preferences ...

Check the Config Editor for this settings:

  • Settings > General
  • scroll to bottom and click on 'Config Editor' button

It opens in a new tab

  • In top search type: pixels
  • look for this line : layout.css.devPixelsPerPx
  • default is a negative number -1.0

It should not be in bold text, if bold text then it has been altered.

  • If you have anything else in that setting use the arrow icon on far right - click on it and the default is reset.

Another value to check is mail.uifontsize, what value do you see?

Please post your results