Unable to retrieve valid data from get_active_window().(size|at)

[MOldtime]

hl.bind("Print", function()
	local w = hl.get_active_window()
	if w == nil then
		return
	end
	local msg = "sizeType: "
		.. type(w.size)
		.. " sizeLength: "
		.. #w.size
		.. " atType: "
		.. type(w.at)
		.. " atLength: "
		.. #w.at
	hl.dispatch(hl.dsp.exec_raw('notify-send "' .. msg .. '"'))
end)

Return results:
sizeType: table sizeLength: 0 atType: table atLength: 0

version:

> hyprctl version
Hyprland 0.55.1 built from branch v0.55.1 at commit a47147bc095e5b3be3eb8bd04f0ac242b968cd4d clean ([gha] Nix: update inputs).
Date: Wed May 13 22:55:46 2026
Tag: v0.55.1, commits: 7311

Libraries:
Hyprgraphics: built against 0.5.1, system has 0.5.1
Hyprutils: built against 0.13.1, system has 0.13.1
Hyprcursor: built against 0.1.13, system has 0.1.13
Hyprlang: built against 0.6.8, system has 0.6.8
Aquamarine: built against 0.11.0, system has 0.11.0

Version ABI string: a47147bc095e5b3be3eb8bd04f0ac242b968cd4d_aq_0.11_hu_0.13_hg_0.5_hc_0.1_hlg_0.6
no flags were set