Known Plug-in Issues - Pro Tools 10 on Mac OS Lion:
Pro Tools 11 requires plug-ins to be AAX format and 64-bit.Avid Audio Plug-in support for machine-licensing requires v12.7 or higher (see Plug-Ins Release Notes article for more info).Downloads for the latest versions of Avid plug-ins can be found in the Plug-In Product Pages.Pro Tools 12 and above require plug-ins to be AAX format and 64-bit.Pro Tools 12 / 2018 Plug-in Compatibility Shortcut to this page: /audioplugingrid.Please contact the manufacturer for information.
If you do not see a product, then the manufacturer has not yet provided the relevant information to Avid. Please Note: Avid does not directly test or qualify all third party Development Partner products for Pro Tools certain data is supplied by Avid Development Partners. Products Affected : Pro Tools, Pro Tools Ultimate