### Bug Fixes
- update name and source version number 
- error in lib_math shader code 
- remove default fade-out values in star groups, added to loading dialog 
- interpolation limits in math shader library 
- initial update not performed on fade node children if ct is off 
- uncomment unhandled event debug info 
- windows crash due to stars '*' not being accepted in paths 
- add notice concerning the selection of more than one Gaia catalog 
- changing focus to different object in same particle group works 
- default value for magnitude scale is 0, fix float validator range 
- disable depth test for billboards 
- inconsistencies with `STAR_MIN_OPACITY_CMD` 
- ensure non-empty field in search dialog 

### Build System
- fix build with text folder 
- remove all absolute paths to project folder 

### Code Refactoring
- observer fields final, package name typo 
- clean up gaia hacks, ray marching plubming 
- post-processing subsystem made more generic 
- move render system to java collections and streams 

### Documentation
- improve readme listings 
- update acknowledgements 
- add iconic license 
- add package-info package documentation, update changelog 

### Features
- update server to `HTTPS`
- add call to set 'all visible' dataset property 
- add 'invert X look axis' additionally to Y 
- axis power value and sensitivity in config window 
- sliders now contain the value label 
- sensitivity sliders for game controllers 
- add tips to loading screen 
- post-processor to accept external shader code in the data folder 
- ray marching shaders 
- raymarching post-processing shaders 
- complete move to SDL-backed controllers 
- full refactoring of controller mappings system 
- interactive gamepad configuration 
- add support for emissive textures, fix obj loading issue 
- API call to modify solid angle threshold of orbits 
- add properties for some star settings 
- adjust size of star billboards 
- add API call to scale orbits. Use with caution! 
- distances in AU and parsec start at 0.1 mark 
- add star brightness power setter to API