without updating, I had an issue with hardware rendering
that made it fall back to slightly stuttery software rendering each time.
no error messages from iced or wgpu,
but I did get the following when running it with mangohud:
shim: Failed to load from "/nix/store/69q712zji0lqph80g6k75z6d3jhbbmb7-mangohud-0.8.4/lib/mangohud/libMangoHud_opengl.so": /nix/store/57iz36553175g3178pvxjij8z5rcsd4n-glibc-2.42-61/lib/libm.so.6: version `GLIBC_2.44' not found (required by /nix/store/69q712zji0lqph80g6k75z6d3jhbbmb7-mangohud-0.8.4/lib/mangohud/libMangoHud_opengl.so)
shim: Failed to load from ${ORIGIN}/libMangoHud_opengl.so: /nix/store/57iz36553175g3178pvxjij8z5rcsd4n-glibc-2.42-61/lib/libm.so.6: version `GLIBC_2.44' not found (required by /nix/store/69q712zji0lqph80g6k75z6d3jhbbmb7-mangohud-0.8.4/lib/mangohud/libMangoHud_opengl.so)
this makes the logic drastically simpler;
as it comes with image crate integration.
however, images can no longer be saved as JXL with this version
(as jxl-oxide is decoder-only)