
Rustup 1.29.3 fixes an illegal-instruction crash on x86_64 CPUs without SSE4.1
The point release repairs two regressions from the previous version; rustup updates itself with rustup self update or at the end of rustup update.

The point release repairs two regressions from the previous version; rustup updates itself with rustup self update or at the end of rustup update.
The first minor release of the Leap 16 series replaces Leap Micro; there will be no Leap Micro 6.3 or 7.0.
The security releases also close a cache-key mix-up between absent and empty Vary headers that could serve one user's cached response to another.
The gradual rollout on github.com covers API calls and Git operations; existing sessions and tokens are not migrated automatically, and Enterprise Server is excluded.
The releases cover file read and write and code execution in Active Storage processing, a Strong Parameters bypass, XSS in Action View helpers and several DoS bugs.
The free feed explains who should investigate a disclosure, what to do and where the evidence is, whether or not the reader is a Cloudflare customer.
Two releases on the same day, one about reading disclosures and one about fixing weaknesses, describe the same pressure from opposite ends.
Collinear AI publishes a public set of 100 tasks in which an agent must find and fix a real weakness in an open-source repository without breaking it.
The Python package manager's 3 November release fixes six bugs, including Windows trampolines closing handles they did not inherit, and adds two preview features.
Released on 2 November, the update also changes behaviour: production error pages keep only createError details, and webpack and rspack dev servers check the Host header.
Enforcement was due on 2 November; GitHub now plans two-hour brownouts on 9 and 16 November, during which affected workflow runs will fail.