[serve_yay]

> ... [cross-process object wrappers] are much slower than the equivalent DOM operations in single-process Firefox, and can affect the user experience negatively. Also, some accesses aren’t supported by the compatibility layer and will throw exceptions.

Hmm, that sounds... bad?

[quotemstr]

I don't see why cross-process XPCOM would have to be particularly slow. Windows is built on cross-process COM.

[TazeTSchnitzel]

Windows isn't built on COM, Windows is built on Win32 which is a 1980s API hurriedly updated to 32-bit.