# Gaia Sky 3.5.0-RC9

## Features
- add control for maximum number of velocity vectors per star set in preferences dialog, performance section.
- add CLI flag to force HiDPI mode either to 'Logical' or 'Pixels'.

## Performance Improvements
- improve performance of velocity vectors in LOD datasets by setting restrictions on the octant's solid angle before sending the star sets to the velocity vector renderer.

## Documentation
- started writing test protocol document.