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Helix and macOS 10.15 (Catalina) Compatibility
Introduction

With the October 7, 2019 release of macOS 10.15 (Catalina) Apple has continued to deprecate (shut down) older macOS technologies, primarily the ability to run older “32-bit” applications. (If you care for a detailed analysis of the changes in Catalina, read the Ars Technica review.)

Because only “64-bit” applications are supported in Catalina, and Helix is not (yet) 64-bit, users who rely on Helix will have to avoid installing Catalina for now. QSA ToolWorks is committed to releasing 64-bit versions of our applications, and will be putting all development efforts toward that end until it is achieved. See the July 2, 2019 issue of The Latest Word for further information.