I did not suggest "execution of arbitrary WASM code" is something that we should be scared of - I stated the facts, and you inferred something I did not write.
> The proposed WASM shaping implementation would be a replacement for traditional OpenType layout
It's not a proposal AFAIK, it's already implemented today in the harfbuzz codebase.
I also do not think it is a 'replacement' for the traditional system, I doubt anyone will disable the ability to render the entire ecosystem of fonts out there which have not been updated to use WASM - so it seems likely it's just another point of complexity added to font rendering in general.
> The proposed WASM shaping implementation would be a replacement for traditional OpenType layout
It's not a proposal AFAIK, it's already implemented today in the harfbuzz codebase.
I also do not think it is a 'replacement' for the traditional system, I doubt anyone will disable the ability to render the entire ecosystem of fonts out there which have not been updated to use WASM - so it seems likely it's just another point of complexity added to font rendering in general.