Figma WebGL or canvas bug

I have a problem with rendering some fonts and cursors for Figma

What i did to make Figma work at all

  1. Enabling WebGL with reversing all those settings in librewolf.cfg:
lockPref("webgl.disable-extensions", false);
lockPref("webgl.disable-fail-if-major-performance-caveat", false);
lockPref("webgl.enable-debug-renderer-info", true);
lockPref("webgl.enable-webgl2", true);
lockPref("webgl.dxgl.enabled", false);
lockPref("webgl.min_capability_mode", false);
defaultPref("webgl.force-enabled", false);
defaultPref("layers.acceleration.force-enabled", true);
  1. Rebooting browser, then i see this (Firefox left / LibreWolf right) image

So, this is canvas elements, have same fonts nothing too suspicious i see in console too...

In computed css however, i see base64 url for cursor

Firefox one:

data:image/png;base64,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

LibreWolf one:

data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACAAAAAgCAYAAABzenr0AAAAVElEQVRYhWM4I2fezPjcI09MaucGE8PyE10/W2VmeyYlBX8Pja4/OiOc1vIMow4YdcCoA0YdMOqAUQeMOmDUAaMOGHXAqANGHTDqgFEHjDpgoB0AAKNQPGpC6mM3AAAAAElFTkSuQmCC

As you can see it's broken...If you paste it in URL as well Am i missing something, or it is bug? 🙃

Edited by keybreak