New version release and MP4 exporting fixes

This update announces the release of version 0.3.0 and resolves issues with exporting MP4 files.

Changes

• New version! 0.3.0. Download at spline.design.
• Fix issue with exporting MP4 files.
• Fixed issue with exporting objects.
• Fixed issue with helix UVs.
• Fixed issue with right click.
• Testing fix of blinking issue in some old Macbooks.
• Minor bug fixes.