Chrome just made the case for rust inside the browser. chrome 153, stable september 8, moved its…
chrome just made the case for rust inside the browser. chrome 153, stable september 8, moved its xml parsing engine to a memory-safe rust implementation for common scenarios.
the last c++ stronghold is being replaced one parser at a time.
Context
Chrome for Developers' release notes for Chrome 153 say it updates its XML parsing engine to a memory-safe Rust implementation for several common scenarios: the DOMParser Web API, the responseXML of XMLHttpRequest, SVG standalone images and SVG external images. The notes say the scenarios not requiring XSLT are covered, and that Chrome has already begun to deprecate and remove XSLT. A Chrome Releases listing dated September 8, 2026 carries the stable channel update.
This is a deployed component for a bounded set of scenarios and not a full replacement of the XML engine, since the XSLT cases are not covered. The September 8 stable date comes from the listing. Eliminating memory corruption bugs is Google's wording and not an independent measure. The last C++ stronghold is the author's take. The XSLT deprecation page was not inspected.
Watch next
- Expansion to XSLT scenarios.
Sources
- Chrome for Developers: Chrome 153 release notesdeveloper.chrome.com
- Chrome Releases: stable channel update (September 8, 2026)chromereleases.googleblog.com
Provenance
The note above is reproduced unedited from the original post, first published on Threads on 22 September 2026 at 04:19 IST. Sources are the papers and datasets the note draws on.
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