b2 v20240107 is released. A cross-platform BBC Micro emulator. Use your Windows/Linux PC or macOS computer to play your old BBC games or develop new BBC software.

b2 v20231011 Changelog:
Multithreading performance improvements (probably most noticeable as lower CPU usage when using lots of debugger displays)
UI library update - you'll have to recreate your window layout, sorry about this. I hope this won't happen again
First pass emulation support for the upcoming Retro Hardware Advanced Digital Joystick Interface cartridge
Fix various minor UI issues

Download: b2 v20240107
Source:Here