This behavior is as per design at the moment, will be auto-enabled in the upcoming Citrix workspace app for Mac releases. For the interim, you can enable the two features by running the below commands on Mac terminal:
- Enabling Dock enhancement –
defaults write com.citrix.receiver.nomas enableAppDockEnhancement -bool YES
- Mission control –
defaults write com.citrix.receiver.nomas EnableAppPreview -bool YES