The option for wayland.windowManager.hyprland.systemdIntegration has been renamed to wayland.windowManager.hyprland.systemd.enable as of home-manager commit ed0770e96225f998ea128549ad446d9b1568cb2c.
The option for wayland.windowManager.sway.systemdIntegration has been renamed to wayland.windowManager.sway.systemd.enable as of home-manager commit 0144ac418ef633bfc9dbd89b8c199ad3a617c59f.
Using the systemdIntegration options will still work for as long as the corresponding mkRenamedModuleOption stays in the respective home-manager modules but using the old option triggers a warning about the the renamed options.