this post was submitted on 20 Dec 2025
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Summit
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I'm pretty sure that this is a rendering error. Here's two screenshots:
In this first one, I tapped on the post thumbnail to expand it. Not shown: The first time I expand the post it'll show the image, and then replace it with the error after a fraction of a second.
The second image is from when I long press the thumbnail. It shows the image, but with the error overlaid.
Another updates on this. This image file is really weird. I downloaded the image and tried using a few other apps to few the image and non of them could load the file. I'm not sure if this is a bug with Summit or the file at this point since I downloaded the file using my browser and not Summit. Chrome was able to show the image but nothing else. I will dig deeper later today.
Update: the image loads on desktop. It looks like the built in AVIF decoder on Android doesn't support the set of features used in this image. This is problematic because a standalone AVIF decoder is larger than the size of the app so the app size would double if I were to use a standalone AVIF decoder. Hopefully this can be fixed on the server side so I wont have to greatly increase the app size.
Thanks for the update! I agree, this sounds like a server problem then.
Are you on Android 11 or below? It looks like a lot of instances have begun showing images in AVIF format. Unfortunately this file format is not supported by Android 11 and below. I wonder if this is what is causing a lot of these issues.
14, which still receives updates. Could it be a file size issue?
It seems unlikely. The reason why you still see the image is because posts typically have 2 images, a thumbnail (low resolution) and the source image (high resolution). When you tapped the post. You are first shown the thumbnail while the source images loads. This is why it looks like the images loads at first. In the full screen viewer the same thing happens. You are shown the thumbnail but the erro indicates that the source image failed to load. If you tap the "error details" button it should give you more information about the underlying cause.