Sound Radix has updated Drum Leveler to v1.1.1.
Improvements:

• Improved onset start detection algorithm.
• Compatible with older Graphics Card.

Bug Fixes:

• Improved stability.
• Fixed automation issues.
• Fixed A/B not switching all parameters.

The updated version for Mac OS X and Windows is now available for download from the User Area and is recommended to all users.
Drum Leveler is a beat detection-based compressor/ expander/ gate. By selectively applying gain to single drum beats, Drum Leveler easily achieves the desired target level for each beat, without affecting bleed noise or beats that are out of the user-defined processing range.
Introduction to Drum Leveler by Dan Worrall