[tgv]

Apart from the fact that its JS engine is really fast, Safari accepts WebAssembly. What else would you precompile it to?

[true_religion]

Originally, iOS Safari handled WASM but only with JIT disabled.

However the EU decreed that it must allow for fair competition, leading to it claiming that it will enable JIT for authorized developers: https://developer.apple.com/support/alternative-browser-engi...

But I'm not sure that they have done so...

Mozilla: https://github.com/mozilla/platform-tilt/issues/3

Chrome: https://issues.chromium.org/issues/42203058