"Specify transparent color" setting disappears

[hiroto-nagaoka]

Process of loading Excel, converting arbitrary values, and outputting them
I had set "Specify transparent color" in the Excel I was importing, but the setting was canceled after outputting.

[oleibman]

This is not (yet) supported. Please open a new issue (feature request) if you would like us to investigate supporting it.

[hiroto-nagaoka]

Sorry for being late.
Thanks for the answer!

[oleibman]

@hiroto-nagaoka PR #4142 addresses your question, and is now merged.