Hello, thank you for your feedback! We have some timeline improvements planned for future versions which include your first suggestion. We will also consider more the rest of your suggestions as well!
If you are curious to see what new features are planned for each version, you can see this page. https://github.com/Orama-Interactive/Pixelorama/projects
Keep in mind that it is incomplete, and we will add more versions and features there in the future!