Unecessary padding has been added to the edges of UI in almost all panels. While this may be more "modern," it takes away usable space.
Attached screenshot features the apps at the same screen size size and with program panels the same width, but vertical height compresed until the picture would start to scale down in attempt to see the mimum space required. This is to demonstrate screen real estate efficiency.
I do not think the 2025 padding choices make the UI more comfortable, I think it takes away usable space that could go to making the timeline window taller while keeping picture the same size (in red). Every pixel counts to professionals.
Another padding issue that could be addressed is the uncesssary padding Source and Program windows have for picture itself (yellow). Resolve and AVID both push picture right to the edge of the source/program window.
Adding padding might make the UI feel more friendly, but it makes it less effecient and less professional. UI elements float in space without definition of where they truly end as opposed to feeling solidly established in their panes.
The Program window here is just one example.