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[Linux] Image preview in desktop client has aliasing

(#3135) Bug Confirmed desktop media
by FullestReviewer

Observed behaviour

There's a decent amount of aliasing. Sidenote: ClaireChan mentioned this in HQ, and hampus mentioned implementing a workaround on Windows since he'd noticed it there, but it seems this is needed on Linux as well. Unsure about macOS.

Reproduction steps

  1. Click on any image with a decent resolution
  2. Zoom in
  3. Open the image in browser and compare

Build information

Canary Desktop 2026.602.31138, Web 2026.605.11941, Linux 7.0.12-101.fc43.x86_64 (x64), Electron 41.2.2, Chrome 146.0.7680.188, Node 24.14.1, Locale en-US

Platform

Linux

Evidence

Provided sample image and zoomed-in preview comparisons as they appear on my system.

Details

Expected behaviour Fluxer's desktop client shouldn't introduce aliasing artifacts to this extent.
  • sample.jpg

    sample.jpg

    2252×4000 | 1.6 MB

  • in-desktop-client.png

    in-desktop-client.png

    1485×546 | 641 kB

  • in-browser.png

    in-browser.png

    1148×699 | 917 kB

  1. Rex changed the status from Needs triage to Confirmed

2 comments

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Comment by Comfy_Deer
Comfy_DeerReviewer 1 vote
Can reproduce CR: image preview shrunk in-app? Canary Desktop 2026.606.140333, Web 2026.605.11941, Linux 6.12.94+deb13-amd64 (x64), Electron 41.2.2, Chrome 146.0.7680.188, Node 24.14.1, Locale en-US
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