Kdenlive project aspect ratio not working

Help
1

I am using:

Screenshot From 2025-09-21 13-43-01
Screenshot From 2025-09-21 13-43-011406×1028 105 KB

and want to set the aspect ratio of my project to 1080×1920. I created the following custom project profile:

Screenshot From 2025-09-21 13-44-28|394x500

However the project still has 1920×1080:

image|690x419

Is this a bug? Am I doing something wrong?

2

I found I had to change not only the frame size but also the “display aspect ratio”.