I’m curious if there are any plans to support HDR images in Discourse? In my recent testing on my site I could not get images to display HDR. This is odd because I tested this many years ago and it did work, but maybe that support has been removed? Here is some good information for developers: Crea…

[Bild] davidkingham: This is odd because I tested this many years ago and it did work, but maybe that support has been removed? Yeah, it’s not that we specifically removed support… it’s that we do a lot more image processing and optimization than we used to and it’s a consequence of that. I …

Thank you for the helpful response Kris! I stupidly hadn’t thought to try AVIF. That makes sense with the thumbnails, seems to be the achiles heel of HDR everywhere. I’m posting an AVIF below to test because it’s not working on my instance… [IG Story HDR-0980] Edit: Interesting, it does work here…

Inline in the post it’s stripped, but it should be fine when clicked and opened in the lightbox :thinking: I just downloaded the original from the post and I can see there’s a gain map in the metadata

I found the culprit! It was the CDN. Bunny had WebP optimization turned on. I created an edge rule to exclude AVIF, and it’s working now. Thanks, Kris! Are there any plans to extend HDR support beyond the lightbox? I’m not a developer, so I may have this wrong. From what I can tell, ImageMagick add…

Ideally we would keep the image format, by simply resizing the image and keeping stuff like HDR intact.

HDR-Gain-Map-Unterstützung für Fotos?

Produktunterstützung

Falco (Falco) 23. Oktober 2026 um 21:07 6

Idealerweise würden wir das Bildformat beibehalten, indem wir das Bild einfach verkleinern und Merkmale wie HDR erhalten.

Thema		Antworten	Aufrufe
Bypass image processing / access original source image? Product Support	1	850	31. Oktober 2018
Option to select format and compression degree for thumbnails Feature uploads	4	636	6. Oktober 2025
Image uploads - color profiles dropped Product Support uploads	4	786	23. September 2025
Retina image inline attachments Feature	11	2874	3. Oktober 2018
Image preview gets cut off Product Support	17	1587	12. September 2023

HDR-Gain-Map-Unterstützung für Fotos?

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