Axe-time, sword-time, shields are sundered,
Wind-time, wolf-time, ere the world falls.
– Völuspá, Poetic Edda


As of Firefox 148, SpiderMonkey’s asm.js optimizations are disabled by default, and we plan to remove the code entirely in a future release.

If you maintain a site that uses asm.js, nothing will break. asm.js is just a subset of plain...