Google also reports a more than 1,000x reduction in memory safety vulnerability density in rust compared to c/c++. We adopted rust for its security and are seeing a 1000x reduction in memory safety vulnerability density compared to android’s c and c++ code But the biggest surprise was rust’s impact on software delivery With rust changes having a 4x lower rollback rate and spending 25% less time in code review, the safer path is now also the faster one. Android’s move to rust boosts memory safety, reduces rollbacks, speeds reviews, and drives secure, efficient software development across the platform. With four times fewer rollbacks and 25 percent faster code reviews, rust is not just safer but making developers more productive than ever
This development marks one of the most significant architectural transitions android has undertaken […] The team emphasizes that rust has become the pivotal instrument behind this progress, reducing the density of such defects by orders of magnitude compared with c and c++ Its influence, however, extends far beyond security alone
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