User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:83.0) Gecko/20100101 Firefox/83.0

Steps to reproduce:

just open this image in Firefox (with other browser i cannot reproduce the issue), then zoom in in firefox (mouse click with magnify)

used firefox 83 (64 bit) - windows 10 desktop

https://diricostorage.blob.core.windows.net/d9f4e548-282f-447c-b1c6-44ea0acd58ae/0a587735-d2d5-40ec-bd57-4705e707d0e7/56612330-53cf-4640-b352-00d95c5c25dc/2f905e74-8848-4c9e-9d6f-27b89febf685/data

also if you create a html and img with this url source then first time work well but after few reload in firefox became cached like a white image

this is the video about how can u reproduce it
https://diricoshare.blob.core.windows.net/sharex/pMLXUDokBv.mp4

Actual results:

image became white (it has size everything before just image is became totally snow white)

Expected results:

Like every browser, it should show the actual image and not a total white image

Doesn't look like it'd be a security issue that needs to stay hidden.

Regression window:
https://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=99a4fb4ba5c1ee96ac745c6ad11894bf0537f73a&tochange=2e19045ba652ca2a5a5fc0e20d6f95293acfa32d

FWIW, Following userContent.css will mitigate the issue.

@media screen {
  img {
    image-rendering: crisp-edges !important;
  }
}

Somehow the css doesn't solved the issue

(In reply to shadowvzs from comment #5)

Somehow the css doesn't solved the issue
nvm look like it is worked for img tags, i will check if work with div with background image

Setting image.downscale-during-decode.enabled to false will mitigate the issue too.