Chrome breaks here just before the OOM fires:
https://github.com/matrix-org/matrix-react-sdk/blob/862d67c0f70b4442c86652f9ea3b0761af2b0d43/src/rageshake/rageshake.js#L257

Without devtools (or letting it continue) leads to an awsnap (oom) page.

I can't get a snapshot due to the entire devtools process crashing, but this doesn't look promising: