Xcpc unstable release (2026-06-14)

Unstable release (2026-06-14)

• Compilation fixes (GLib + Gtk)
• Some bug fixes and refactoring
• New OpenGL renderer (some UI rendering glitches may persist)
• Emulator Settings are loaded/saved from/to disk (~/.config/xcpc/xcpc.ini)
• Some UI improvements and refactoring
• Zip support for disk images
• Better disk images compatibility
• Better PSG support for digitized sounds
• AppImage support