Migrating to 64 Bit
As more and more plug-in manufacturers are dropping support for 32 bit, in the forseeable future Synfire will make the 64 bit Audio Engine its system default. That is, new installations and racks will use the 64 bit engine, while the 32 bit engine remains as an optional choice (currently it's the other way around). This article outlines how to migrate your existing projects and (global) racks to 64 bit.