iZotope have released updates to both Stutter Edit and Iris making the 64 Bit AAX compatible.

Iris version 1.01 released August 6, 2013 Download now

Enhancements and fixes

• Plug-in formats: Added 64-bit AAX support for Pro Tools 11
• Please note: This update no longer supports 32-bit AAX. Customers accustomed to using 32-bit AAX in Pro Tools 10 can instead use the RTAS plug-in format without any degradation in audio quality. For your convenience, any session saved with the 32-bit AAX version of Alloy 2 will automatically open with RTAS.

Stutter Edit version 1.04 released August 8, 2013 Download now

Enhancements and fixes

• Plug-in formats: Added 64-bit AAX support for Pro Tools 11
• Please note: This update no longer supports 32-bit AAX. Customers accustomed to using 32-bit AAX in Pro Tools 10 can instead use the RTAS plug-in format without any degradation in audio quality. For your convenience, any session saved with the 32-bit AAX version of Alloy 2 will automatically open with RTAS.