### Bug Fixes
- show information dialog in case of OpenGL or java version problems 
- disposing bookmarks manager without it being initialized 
- update default screen size 
- remove idle FPS and backbuffer config 
- file chooser allows selection when entering directories if in DIRECTORIES mode 
- update default max number of stars 
- increase max heap space from 4 to 8 GB in all configurations 
- 24-bit depth buffer, 8-bit stencil 
- JSON pointer from DR2 to eDR3 

### Build System
- update bundled JRE version to 11.0.9+11 

### Code Refactoring
- all startup messages to i18n bundle, fix swing themes 

### Documentation
- update pointers to documentation 

### Features
- saner error reporting with new dialog 
- add error dialog that works with OpenGL 2.0 and informs the user of insufficient OpenGL or Java versions 
- add safe graphics mode CLI argument ``--safemode``
- dynamic resolution scaling - first implementation, deactivated 
- add safe graphics mode, which does not use float buffers at all. It is activated by default if the context creation for 4.1 fails. It uses OpenGL 3.1. 
- download manager is capable of resuming downloads 
- special flag to enable OpenGL debug output 
- enable GPU debug info with ``--debug`` flag