RetroPie 4.6 Released, with Beta Raspberry Pi 4 Support

• It's been just short of a year since the Raspberry Pi Foundation released the Raspberry Pi 4 with drastically better specifications, and ever since it's launch users have been hungry for proper retro-gaming software to finally be ported over to the Raspberry Pi. While images for Lakka have been available for a while, and RetroPie has had working weekly's and dev builds out for a few months now, we haven't had any official support from the RetroPie team for the Raspberry Pi 4...until now, that is. The RetroPie group has just announced RetroPie 4.6 and is finally offering official support for the Raspberry Pi 4 along with other improvements to the software, including an update to Raspbian Buster vs Raspbian Stretch, Retroarch 1.8.5 support, and a few other improvements and fixes which are detailed below.
  
  
  Quoted from Changes from 4.5:
  

  
  

  • Raspberry Pi 4 support! Support is labelled as beta currently as there are still things to improve, but most emulators now run well.
  • The RetroPie images are now based on Raspbian Buster – Stretch is no longer supported by Raspberry Pi (Trading) ltd. RetroPie will stop updating pre-built binaries for Stretch later in the year.
  • Improvements to RetroPie packaging system and core RetroPie-Setup code so package state is remembered and binary updates will only be done if an updated binary is available. Source installs won’t be overwritten by a pre-built binary when updating also. We started providing pre-built binaries for the packages in the experimental section for the supported platforms.
  • RetroArch updated to v1.8.5.
    
    • New notification system with cheevos badges support.
    • RGUI can be themed.
    
    
    
    • Support for real CD ROM, with the ability to dump the disc image.
    • Improved disk control system, with support for labeling disks in .m3u files.
    • RetroAchievements support for PS1/Sega CD/PCEngine CD.
    
    
  • EmulationStation updated to v2.9.1.
    
    • Scraper fixes for the TheGameDBNet.
    • Grid view improvements and bugfixes.
    • Theming improvements.
    • New options for “disable system name on custom collections” and “save gamelist metadata after each modification”.
    
    
  • Added videomode switching support to runcommand for KMS and X11 targets. SDL2 applications only.
  • Added ioquake3 module for platforms other than Raspberry Pi 1-3.
  • Replaced zdoom with lzdoom as zdoom is no longer maintained.
  • amiberry – updated to 3.1.3 including ipf support.
  • stella – updated to 6.0.1.
  • SDL updated to 2.0.10 with rpi4/kms fixes.
  • solarus – lots of updates to modernise the port.
  • eduke32 – major overhaul including adding package for IonFury.
  • zesarux – updated to v8.0.
  • cgenius – updated to v2.3.6.
  • drastic – update to 2.5.0.4 with RPI4 compatibility.
  • scummvm – updated to v2.1.1.
  • atari800 – updated to v4.2.0 (lr-atari800 config has been moved to lr-atari800.cfg to avoid conflicting)
  • lr-mupen64plus / lr-mupen64plus-next – enable GLES3 support on rpi4.
  • lr-opera – renamed from lr-4do.
  • Sonic Robo Blast – updated to 2.2.
  • Lots of other fixes and improvements.
    
    • Added new experimental modules.
    • vvvvvv – Port of the popular platform / puzzle game VVVVVV.
    • lr-neocd – Neo Geo CD emulator.
    • redream – Dreamcast emulator for the Raspberry Pi 4.

  
  
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  https://gbatemp.net/threads/retropie...upport.563678/