Can’t get it running on Firefox 152.0.6 (aarch64), no extensions.
[chrome-demo] chrome assets ready
[gecko] warning: unsupported syscall: __syscall_madvise
[gecko] embed-xul: main() on the app pthread (PROXY_TO_PTHREAD)
[gecko] embed-xul: GECKO_GL_PASSTHROUGH=1
[gecko] embed-xul: GECKO_COARSE_CLOCK=1
[gecko] embed-xul: GECKO_GPU=1 (GPU/WebRender->canvas rendering)
[gecko] xul_init: GRE dir = /gre
[gecko] Pthread 0x11051000 sent an error! blob:https://developer.puter.com/edc1bd0a-b844-4a18-a69a-63dd49dc304a:8906: SecurityError: Security error when calling GetDirectory
Running firefox on aarch64 here right now (Ubuntu 26.04 ARM on snapdragon X1E)
did you enable the about:config option? it may be required