user_pref("javascript.options.wasm", true);
user_pref("javascript.options.wasm_memory64", true);
user_pref("javascript.options.wasm_branch_hinting", true);
user_pref("javascript.options.wasm_experimental_compile_pipeline", true);
user_pref("javascript.options.spectre.jit_to_cxx_calls", true);
user_pref("javascript.options.spectre.index_masking", false);
user_pref("javascript.options.spectre.object_mitigations", false);
user_pref("javascript.options.spectre.string_mitigations", false);
user_pref("javascript.options.spectre.value_masking", false);
user_pref("javascript.options.mem.gc_balanced_heap_limits", true);
user_pref("javascript.options.mem.gc_max_parallel_marking_threads", 6