It’s the opposite actually, in terms of implementation Zram is a hack, but it does have it’s use case when your system load doesn’t far exceed your total RAM, on the other hand swap is tightly integrated into the system and it’s on it’s way to implement “Virtual Swap” which is effectively Zram but not a hack, making it like a hundred times better, see This blogpost for a detailed explanation


And the App still sucks balls because it only supports Vulkan-backed video decoding, which limits it’s usage to fairly recent hardware instead of, you know the old underpowered devices which benefit the most and in which the Windows version does work
Which was brought up on day 1 of Beta release and nothing has been improved upon