This release brings a major core refactor, faster local multiplayer, LAN support, the new OpenGL compute shader renderer, multi-window support, and more!

• add splashscreen (Arisotura)
• add About dialog (Nadia)
• emulation fixes for calico (fincs)
• make the frontend mostly thread-safe
• refactor core to support multiple instances in one process
• OpenGL renderer: avoid undefined Z when using W-buffering (Generic)
• improve microphone input (Arisotura)
• add support for multiple windows (Arisotura)
• new configuration system (Arisotura)
• add OpenGL compute shader renderer (Generic)
• implement framerate target presets (Jakly)
• fix microphone blow noise input (Generic)
• add LAN support (Arisotura)
• add Nix flake (Nadia)
• attempts at improving local multiplayer connections (Arisotura)
• many accuracy improvements to the software 3D renderer (Jakly)
• fix inaccuracy with NO$GBA debug registers (pants64DS)
• OpenGL renderer: add support for changing BG0HOFS midframe (Arisotura)
• fix zstd ROM loading issues (Nadia)
• audio: add Gaussian (SNES) interpolation (Nadia)
• fix DSiWare detection (JesseTG)
• add support for R4 Revolution/M3 Simply carts (asiekierka)
• fix DS/GBA comm not working when using FreeBIOS (Nadia)
• build system and CI fixes (Nadia)
• DSi title manager: fix handling of title strings (Rayyan)
• fix gdbstub not activating until the console is reset (ZNixian)
• improve audio when not running at 60FPS (Jakly)
• fix a lot of warnings (Nadia)
• fix framelimiter bugs (Jakly)
• add support for solar sensor without using Boktai ROM (Jesse)
• set SDLHINTAPP_NAME (redbluegreenhat)
• fix undefined behavior when indexing into ARCode::Code (Jesse)
• DLDI: add support for unaligned I/O in melonDLDI driver (Arisotura)
• audio settings: fix mic settings not applying when closing the dialog (Arisotura, Nadia)
• multiplayer: load firmware from correct instance-specific file (Arisotura)
• 3D: small fix to translucency flag assignment (Jakly)
• AES: load Tad key (edo9300)
• slot-2: add support for Motion Pak and Guitar Grip (asie)
• DSP: fix PDATA reads (Arisotura)
• slot-2: don't return 0 when attempting to read from the GBA GPIO address (edo9300)