final [GrapheneOS] 📱👁️‍🗨️ on Nostr: fyi I am aware of other projects using Hardened Malloc as well, for example this ...

fyi I am aware of other projects using Hardened Malloc as well, for example this hardened Void Linux build has hardened malloc and other hardening:

https://0xacab.org/optout/plagueos
https://0xacab.org/optout/plagueos/-/wikis/Security-Considerations
https://0xacab.org/optout/plagueos/-/wikis/FAQ

It sounds very interesting butI (and I think anyone I know) have never used it though. Can't make a recommendation. Using smaller projects is at your own risk.