Oops, spoke too soon. HookCase doesn't currently support Catalina (macOS 10.15), and I don't currently plan to add support for it until it's actually released (no longer in beta). Adding support for a new major version is usually a fairly large undertaking -- a couple of weeks' work.
Bug 1578075 Comment 9 Edit History
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Oops, spoke too soon. HookCase doesn't currently support Catalina (macOS 10.15), and I don't currently plan to add support for it until it's actually released (no longer in beta). Adding support for a new major version of macOS is usually a fairly large undertaking -- a couple of weeks' work.