To ease the transition, Apple delayed their requirement for notarisation until 3rd February 2020 from this point, we may see an increase in issues due to a lack of applications being notarised - though (as far as we can tell), software working under Catalina before this date continues to work after. In order to further combat malicious applications, and building on the Gatekeeper technology introduced in OS X 10.8 Mountain Lion, Apple announced that notarised applications would be a requirement in macOS Catalina.Īdditionally, any applications which were signed before 1st June 2019 do not need to be notarised - so older applications which would have worked otherwise will continue to work without modification. SoundRadix’s 32Lives plug-in adaptor (which allows 32-bit AudioUnit plug-ins to be used in 64-bit hosts such as Logic Pro X) does not work.īut there were also concerns surrounding newer technologies that Apple was introducing: Application Notarisation QuickTime Player 7 and any applications that used QuickTime 7 as an underlying technology, such as MPEG Streamclip and Pro Tools 2019.10 and older (even though Pro Tools is a 64-bit application) This had ramifications beyond the immediately obvious too: Now that a few months have passed and we’ve had time to live with the new OS for a little while, it’s worth reviewing where we stand in reality.Īt the time of its release, exact details of the limitations incurred by Catalina were not entirely clear: we knew that Catalina would drop support for 32-bit software - rendering older applications such as iWork ’09 and Microsoft Office 2011 unusable.

When macOS 10.15 Catalina was first released in October 2019, many audio developers urged caution against prematurely upgrading, insisting that their hardware and software products would not be compatible.

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