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Earlier versions of JPEG XL images load slowly in full view, newest first.

Current version | Edited by Rex
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JPEG XL images load slowly in full view

Observed behaviour

the jxl image takes substantially longer(sometimes ~30 seconds longer) than other formats of the same image size

Reproduction steps

  1. receive a message containing a jxl(that you have not cached before)
  2. click on the thumbnail to see the full view
  3. wait until it appears

Build information

Canary Desktop 2026.828.171905, Web 2026.828.184549, Linux 7.1.9-artix1-2 (x64), Electron 42.10.0, Chrome 148.0.7778.280, Node 24.18.1, Locale en-GB

Platform

Linux

Evidence

fluxer://settings/user?tab=advanced_settings&section=advanced-settings-media settings

Details

Expected behaviour the image appears as quickly as other image formats of the same size