Jeff

I would suggest taking the opportunity to remove the Quit button. There's no reason for that button to exist, it is redundant with the window manager's close (X) button, and standard keyboard shortcuts. If the tall button on the right of the two Open buttons was meant to serve as a way to switch the two paths around, then it should remain a tall button that spans the height of the two rows, for clarity; the (?) help button could instead be moved to be into the GtkEntry of the source path (if its...

I would suggest taking the opportunity to remove the Quit button. There's no reason for that button to exist, it is redundant with the window manager's close (X) button, and standard keyboard shortcuts. If the tall button on the right of the two Open buttons was meant to serve as a way to switch the two paths around, then it should remain a tall button that spans the height of the two rows, or clarity; the (?) help button could instead be moved to be into the GtkEntry of the source path (if its hint...

Use XDG / Freedesktop standard user directories to store config, user data, and cache files

Ah, I see that it does not crash with the couple of standard demo projects I tried, so far. It does crash reliably with my project though, even when simplified. After simplifying it quite a bit, yafaray at least begins rendering some of the tiles of the image before the crash happens, which is further than it used to go before. I was wondering if it was a RAM issue, but nope, my RAM does not get filled in any meaningful way before the crash occurs. I will email you a link to my simplified project...

Crash when trying to render with the Yafaray plugin on Linux

I have this problem as well, except that in my case my webcam is always /dev/video1 no matter what I do... guvcview prompts me endlessly¹ on startup with this dialog, which is a bit silly given that the dialog itself says guvcview can see the webcam device ("No video device found. You seem to have video devices installed. Do you want to try one?" — duh! just do it, don't ask the user! They can change the video device from within the running UI anyway!) ¹: the dialog keeps coming back until I click...

Here is a mockup of what it looks like if you implement the most basic changes I proposed (nuke icons, nuke the Quit button, relabel buttons, use standard GtkNotebook labels, use a better default window height). Much more compact vertically (and even horizontally, the window is allowed to shrink by 33%!), much clearer and easier to understand. I did this "mockup" live by using the GTK Inspector, so I know it's functional and "non-invasive".

Here is a mockup of what it looks like if you implement the most basic changes I proposed (nuke icons, nuke the Quit button, relabel buttons, use standard GtkNotebook labels, use a better default window height). Much more compact vertically (and even horizontally, the window is allowed to shrink by 33%!), much clearer and easier to understand. I did this "mockup" live by using the GTK Inspector, so I know it's functional and "non-invasive".