What does selecting the option 'Save changes to this workspace' accomplish?

Selecting the option 'Save changes to this workspace' preserves the current layout for future use, which is essential for maintaining a personalized and efficient editing environment in Adobe Premiere Pro. When you customize your workspace by arranging panels, adjusting sizes, and selecting which panels to display, saving these changes allows you to easily return to this specific setup in future sessions. This feature is particularly useful for editors who have a specific workflow or prefer a certain arrangement of tools that enhances their productivity.

Maintaining a consistent workspace can help streamline the editing process, reduce time spent on arranging panels, and facilitate a focus on editing tasks without distraction. Using saved workspaces is a common practice among editors to accommodate different types of projects and tasks, adapting the workspace to their current needs while still being able to revert to a familiar setup swiftly.