P: Brighten the Histogram as LrC 13.0 histogram is much darker than LrC 12.5

> hey're close enough to me to be interchangeable in that regard

Not really - look at screenshots from V12 to refresh the memory. The new ones are only not a problem when you have a lot of highlights/blacks so the histogram is bunched on the ends and easy to see even with that blasted contour line. Yet I frequently have a situation when some just a few highlighted areas in otherwise dark image (landscape with overall dark mood and dark clouds but a few spots that go towards highlights for example) that ends up showing as a tiny areas at the edge of the histogram. Those cases make the new model completely useless because all you do in those cases is strain your eyes to spot whether you set your white point correctly of there is still a gap and the only way to do it is to turn on the clipping indicator and look all over image for indicated blown areas. This destroys the workflow that used to be quick and easy.

> If you're experiencing a behavior that's not what it's intended programming is, then yes, that would be a bug
I doubt very much that programmer's intention was to make histogram unusable yet pretty so it is a bug in my eyes because to me it is exactly this - pretty but unusable.

This is for comparison how V12 histogram looked - clean and clear way to see the range remaining in hightlight and blacks and none of those fancy lines:

Ah, I understand what you're saying now. I hadn't even noticed that.

I use the histogram a lot because I often work in areas with large lighting differences from each other and so it can be difficult to see exposure in the image itself. I just hadn't registered a zero pixel spot on the lines as being different from v12 to v13. They're close enough to me to be interchangeable in that regard. But I can understand how that would be annoying! Maybe I'll find it annoying now that I'm aware of it, too! Haha

Granted, library module still have that contour line going all the way in screenshot but at least looking at it on my monitor, its colour is fainter and I can at least see where histogram ends a bit more pronounced. In v12 there was no line like that - those 1.5 stop were completely empty.

Sounds like you don't remember how 12 histogram looked or you have not used it perhaps to judge exposure? This is histogram of the underexposed show by 1.5 stop in Develop module ane libnrary module:

Now in Library:

The latter is what I would expect to see showing the free space to the right of the histogram not some line like in develop module looking like some faint highlight data is there where it is not. Lightroom Classic v12 did not have that contour line at all so the parts of histogram to the right would be empty clearly showing even with the small hightlight data that there is still space to move white point to (or black point for the other end).

I'm not sure what you mean when you say "the line contour stretches the whole length of the histogram all the time" @Alexey Danilchenko. The screenshot you included looks as I would expect the histogram to look, even in the old style. The colors are just transparent now, as far as I can tell. What did yours look like before that was different? And your histogram looks different in the Library and Develop modules? I'd call that a bug, yeah. They should look the same if no settings are changed.

I was trying to elaborate on what Rikk said about it not being a bug. If you're experiencing a behavior that's not what it's intended programming is, then yes, that would be a bug. If it's a change that you don't like about how a new thing works, then it's not a bug, it would be considered a poor design. Different solutions would be needed for those two different issues, so how they're labeled matters.

It may work as intended from designers prospective but it prevents workflow that was working previously for users from working. What is it that not a bug then? And as I said - the same design works better in Library module - where at least thoso controur lines going past real gistogram values are less visible so you can to a degree see better where range ends/begins. So they already have inconsistency in a design. It is a bug in a word

For what it's worth, @Alexey Danilchenko @GoldingD, what Rikk is saying is that the change was a feature choice and it is working as intended. A bug is something that's not working as intended. So from the designer perspective, it's not a bug, no matter how much users hate it. Might be semantics, but makes a difference to the coders and designers.

I prefer the old histogram as well.

Is there any way to change the histogram back to version 12? You are right the new version sucks.