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We have received a warning from Citrix (ProZone Software) that users should not upgrade their Mac OS past version 10.14 – Mojave as the Catalina version (10.15) will disrupt the Citrix connectivity. Mac upgrades (Apple iOS) are notoriously disruptive to 3rd party software and can take weeks to correct issues that arise. Unless there is a significant security vulnerability we do not recommend upgrading to the latest version of MAC OS until it has been validated by Citrix.
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