Graphics/icons in main menu at higher resolution (2560x1440p) blurred/pixelated

Product: The Sims 4
Platform:PC
Which language are you playing the game in? Deutsch
How often does the bug occur? Every time (100%)
What is your current game version number? 1.104.58.1030
What expansions, game packs, and stuff packs do you have installed? Get to work, get together, city living, cats & dogs, seasons, get famous, island living, discover university, eco lifestyle, cottage living, high school years, growing together, my wedding storys, dream house decorator, realm of magic, parenthood, vampires, dine out, spa day, outdoor retreat, luxury party stuff, movie hang out stuff, romantic garden stuff, backyaard stuff, cool kitchen stuff, spooky stuff, vintage glamour stuff, laundry stuff, my first pet stuff, home chef hustle.
Steps: How can we find the bug ourselves? Start the game at resolution 2560x1440 pixels.
What happens when the bug occurs? Firstly, the intro video is displayed very pixelated at the start. Secondly, many icons in the main menu are also very pixelated. See screenshot.
What do you expect to see? A main menu adapted to the resolution in high quality and with sharp icons. An intro video in a higher resolution would also be very good.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? No

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Hello everyone,

I have been playing Sims 4 on a higher resolution for some time now. I have noticed that both the intro video and the main menu of The Sims 4 are unfortunately not adapted to this resolution. Many individual graphic icons are only displayed pixelated. For example, the graphics of the current household, but also many icons.

I think that more and more players are now switching to higher-resolution monitors and it might be time to adjust the graphics.

Workaround:
It is possible to adjust the "ThumbnailConfig.ini" yourself by adjusting the [SimBust] entry and changing the size for Size_Small from 64,64 to 256,256. However, this change is unfortunately overwritten with every major update. In addition, the remaining menu icons are unfortunately also in a lower resolution. The round corners of the individual menu items are also blurred.

I am currently playing the game in a resolution of: 2,560x1,440. with the highest graphic settings.

It would be kind if this problem could be addressed. It would also be nice to have a higher resolution intro, as this also looks very pixelated.