Let's say you have a photo of a fence and you want to put a number of photos of people behind it--but you want each person behind the other people. What would be the easiest and simplest way to go about it?

1. i'm pretty sure this is a recent change, too:
when i'm checking various layers, the yellow-black striped outline around the layers doesn't update to reflect the one i've selected until i do something to that layer, such as click on the canvas with any tool
is this a bug? it's a downgrade - not being able to tell if you successfully switched to the layer you wanted so it certainly seems like a bug


2. this next one i think was an old change, but i can't move the viewport while holding a selection box handle anymore. why? this was so useful to get precise measurements across large distances in gimp 2.10


3. also, fonts are partially busted in the flatpak version. i cannot make text bold or italic, the toggle button is there and i can turn it on and off but it doesn't do anything

G’MIC filter example:  Iain Noise Reduction 2019

Two applications with default parameters.

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Recently on reddit someone gave a tip in a very simple way to show back the Tool Options...
Why I never ever thought or tried this, it's something I still don't understand...

Anyway, there is no need to go to the top menu Windows > Dockable Dialogs > Tool Options => just double click on the tool you are using in the ToolBox!
If the Tool Options dialog is not open or you don’t find it, just Double click on the tool you’re using to bring it up. The dialog will flashes if it's opened or the dialog will open and flashes.
Yes as simple as that!

No need to say that I tried it, I did close the Tool Options, double click on a tool in the toolbox, and Voilà... the Tool Options appears on the right side (yeah just need to transfer it to its proper place, anyway if you pass by the top menu it's the same > appears on the right side )

Use GIMP Hidden Images for Shadow Removal
There are hidden images in the GIMP layer mode display. There is nothing profound about this, the layer mode presents as a solid color. When a filter is applied to the upper layer, the layer mode interaction changes, and an image appears.
The hidden Divide layer mode image together with Colors-Exposure can produce a very effective shadow removal.  
1. Duplicate the image.
2. Use the Divide layer mode.
3. Apply Colors-Exposure to the duplicate.
4. Adjust the sliders to make a preliminary image.
5. Adjust the opacity slider for the layer to complete the procedure.
Like any procedure, this one works on some images, not on others.
To capture a hidden image:
1. Apply the filter of choice but do not click OK.
2. Apply Edit Copy Visible and then Paste As New Layer. This will cancel the filter and the layer image will not be affected.

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How can I enlargen the font size of the titles and text of the menus, dialog boxes etc.? They are too small on my 14" computer screen. I have enlargened the tool icons. I use Windows 11.

I saw on the Internet that an image ppi /dpi can be changed within gimp. I think I have seen before that you cannot change an image to look good if the ppi is changed.
Assuming the image is already large but has a small ppi - 72. Can it be successfully converted to 300?
What I saw - 
How Do I Make an Image 300 DPI Without Photoshop?

Hi to all.

I have simple question but I'm unable to find answer. Use GIMP 2.99(dev) but question probably is unrelated to version.

How to see error from calls to GIMP functions?

Imagine that I put this (in .scm file or in Script-fu console):

From time to time I use GIMP 2.10.8 for creating animated .gif-files from .pdf files so that when viewing the .gif-file every two seconds another page of the document is visible.

When importing the .pdf-file and hereby selecting "Open pages as layers" each page of the .pdf-file is a layer on its own.

The problem is:

Assume the .pdf-file has n pages.

After importing:

Layer 1 has name "1" and shows page 1 of the document.
Layer 2 has name "2" and shows page 2 the document.
...
Layer n-1 has name "n-1" and shows page n - 1 of the document.
Layer n has name "n" and shows page n of the document.


When exporting this as .gif-file, then the animation starts with page n of the document and ends with page 1 of the document.
I. e., the animation shows the pages of the document in reversed order.

Thus, for the .gif-animation to begin with page 1 of the document and to end with page n of the document, reversing the layer order before exporting is needed.

By now, after importing the .pdf-file,  I click "Layer" - "Stack" - "Reverse Layer Order" and I get:

Layer 1 has name "n" and shows page n of the document.
Layer 2 has name "n-1" and shows page n - 1 of the document.
...
Layer n-1 has name "2" and shows page 2 the document.
Layer n has name "1" and shows page 1 of the document.

When exporting this as .gif-file, then the animation starts with page 1 of the document and ends with page n of the document.

Question:

Is there a possibility to have the layer order reversed automatically at the time of importing the .pdf-file, without the need of doing so much clicking?

Any way to get tool icons larger than huge for visually impaired? Thanks. 2.10.34 on Windows 11, Lenovo X1 Yoga