The word is that new images immediately benefit, while old images will gradually receive this as the cache expires. Max resolution is 2000px on the longest edge, so resize your big images before upload for optimal quality. Keep in mind, PNGs are still being converted to JPGs regardless of filesize.

DIdivy.zoneOct 14, 2024 8:08pm

we just deployed a fix to a long-standing issue with our image cdn: images within posts are no longer unnecessarily scaled-up. that means many images will load faster and use less data. we also took this as an opportunity to improve the quality of full-size images, as many have requested! 🌅