The release of version 4.46 is widely considered a "maintenance of legacy" rather than a feature-heavy overhaul. It focuses on sustaining compatibility and granular control for users whose playback routines rely on specific filters and codecs.
| Feature | MPU 4.46 | MPU 18.x (Modern) | | :--- | :--- | :--- | | Windows 11 support | No / Unstable | Yes | | HEVC/H.265 tools | No | Yes | | 64-bit decoder tweaks | No | Yes | | FourCC for MKV/MP4 | No (AVI only) | Yes (via Codec Tweak Tool) | | Safety | Vulnerable | Updated & secure | media player utilities 4.46
Future development directions for Media Player Utilities 4.46 may include: The release of version 4