Slingshot 3.5.3 released

This release introduces a new Screenshot Editor feature, allowing you to create and edit screenshots directly within Slingshot - the same functionality used by the Slingshot team to post screenshots online.
New features
- Screenshot Editor with support for gradients and custom backgrounds
- Image import/export functionality supporting .webp/.png format
- New Slider component for better UI controls
- Middle color support in gradient backgrounds
Improvements
- Merged download buttons into a unified export dropdown
- Updated top bar to include link to screenshot editor
- Improved image border styling and description layout
- Enhanced canvas rendering for better image quality