ZXMAK2 v2.8.1.37646 Beta is released. ZXMAK2 is plugin based ZX Spectrum Virtual Machine. On the other side, this is flexible ZX Spectrum emulator. Project written in C#. Currently it works on Windows platform and using Managed DirectX.

Support the following ZX Spectrum clones:
- ZX Spectrum 48 (later model contended memory)
- ZX Spectrum 128 (later model contended memory)
- Pentagon 128
- SCORPION 256
- ATM 450
- PROFI 5xx
- QUORUM 256
- Leningrad 1
- Other (through custom configuration and plugins, for example LEC mod)

ZXMAK2 v2.8.1.37646 Beta Changelog:
- fix compatibility issues
- fix freezes on single processor system
- fix reflection error (on system where some assemblies is not available)
- log4net.config - enable console log auto popup on warn/error
- fix startup & XNA error handling; replace GAC references with local references
- rename ICommandManager methods
- rename IHostUi to ICommandManager
- fix namespace

Download: ZXMAK2 v2.8.1.37646 Beta
Source: Here