Inside this week's LWN.net Weekly Edition: Front: Cryptography API; Iomap explanation; Negative dentries; Faster RCUs and lockless allocation for BPF; Negative dentries; LLMs in memory-management code Briefs: Guix vulnerabilities; OpenSSH 10.4; trusted publishing; kernel archive; CalyxOS; Quotes; ... Announcements: Newsletters, conferences, security updates, patches, and more.