When opening a .PSD file in Photoshop (23.5.1 Win 10) and I get a prompt to convert the colour profile, see attached pic. If I chose to convert the profile and then immediately close the file, I don't get a prompt to save it. IE Photoshop doesn't consider the conversion to be a change to the file...
I don't believe there are embedded ICC profiles in derivatives. if you are solely going by what's in the config, know that the "profile" in ImageMagick amounts not only to ICC but other metadata segments. it's not just referring to the ICC profile. firefox and safari support embedded profiles in images in the browser, but the profiles add file weight - sRGB is 4k. you need LCMS to do profile conversions with IM - it's a variant I believe and doesn't come in the standard install. I believe the same is true for GM, which also uses LCMS. note also that LCMS just released a major new rev (2.0) that is still in beta. I would build with 1.19a. ideally, original images with ICC profiles embedded should be converted to sRGB with a media-relative colorimetric intent and black point compensation on, and then strip the ICC profile out of the destination files, so you don't add the file weight. ICC profile- aware browsers assume sRGB for untagged images anyway, so it's the best of all worlds. for original images without ICC profiles, there should be config options defining the default profiles to use for each colorspace. then use that, then strip the profile out of the created images.
I have the same issue, I swear it used to consider that a change of file and prompt you to save when closing. Frustating since I have to vet large murals and they may require tweaks and if the vetting process takes 10-15 minutes and I close the file because no changes were needed it easy to forget that you had coverted the profile to you working space when opening.
The thing is, you haven't converted the profile. It reverts to the original embedded profile, which is the safe way to do it. No damage is done here.
In any case, my general advice here is very clear: Do not use the "convert to working space on opening"-policy. This is a legacy setting that has no place in modern color management. It serves no sensible purpose, but has a very high risk of permanent damage to the files you open.
In a properly color managed workflow, the embedded profile should always be honored. That is what "preserve embedded profiles" does. Whatever that profile is, there is normally no need to change it, it will always be correctly represented in Photoshop.
In those cases where you do have valid reasons to change the profile, that should always be a deliberate decision. You should know what you're doing and why you're doing it.
If Photoshop was written today, "preserve embedded" would be hard-wired and the other options wouldn't be there. Like e.g. Lightroom.
In any case, my general advice here is very clear:Do notuse the "convert to working space on opening"-policy. This is a legacy setting that has no place in modern color management. It serves no sensible purpose, but has a very high risk of permanent damage to the files you open.
In a properly color managed workflow, the embedded profile should always be honored. That is what "preserve embedded profiles" does. Whatever that profile is, there is normally no need to change it, it will always be correctly represented in Photoshop.
In those cases where you do have valid reasons to change the profile, that should always be a deliberate decision. You should know what you're doing andwhy you're doing it."
I suppose it's debatable if this is a bug or not. But I would at least consider it an inconsistency, I think this used to be considered a change to the file in previous versions. Not that it's a biggie, but I still thought I would make a post and see if someone else could reproduce it...
Even in the »absence of consensus« on the bug-ranking of the issue you could post a Feature Request to make sure your wish will be registered at Adobe.
I was considering it, but not sure I can be bothered anymore. The last PS bug that I reported and got confirmed as a bug by Adobe, was four plus years ago... and it's still not fixed! Reporting problems and bugs to Adobe feels like screaming into a dark and empty void...
Right - same thing here, no prompt to save and the file reverts to original embedded profile.
Like c.p., I wouldn't call this a bug. This is the safe way to do it. A profile change should always be a deliberate decision, not something that happens automatically or by accident.
Photoshop color settings still contains some legacy options that don't really sit well with modern color management. The "convert to working"-option is one of them. I've always said that this option makes very little sense, and should IMO just be removed. It's just potentially damaging and doesn't have any real purpose. In a correctly color managed workflow, the embedded profile should always be honored, unless and until there's a reason to change it.
In the same way, the "mismatch"-warning is absolutely pointless. There is no problem whatsoever with an embedded profile that doesn't match the working space. The embedded profile is supposed to override the working space. But the dialog implies that there is a problem, and is therefore misleading to users with limited experience. I always disable these two "mismatch"-dialogs first thing. They tell you nothing useful.
In the screenshot »Use the embedded profile« is checked, but I can reproduce the described behaviour.
I assume the conversion in opening is considered part of the opening, so the behaviour (which I hadn’t noticed previously due to my preference for preserving embedded profiles) seems justifyable.
Meaning: Not exactly a bug but a potentially problematic user experience.
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