Welcome to the LWN.net Weekly Edition for October 5, 2023

• BPF and security: Alexei Starovoitov looks back at how BPF and security have interacted in the Linux kernel over the last ten years.
• Impressions from the GNU Project's 40th anniversary celebration: a report from the GNU Project's celebration in Biel, Switzerland.
• Security policies for GNU toolchain projects: some projects are trying to better define what constitutes a security bug in order to head off spurious CVE-number assignments.
• Revisiting the kernel's preemption model, part 2: a way to simplify the kernel's handling of preemption and make it work better too.
• Linux ecosystem contributions from SteamOS: how supporting gaming has made Linux better overall.

This week's edition also includes these inner pages:

• Brief items: Brief news items from throughout the community.
• Announcements: Newsletters, conferences, security updates, patches, and more.

Please enjoy this week's edition, and, as always, thank you for supporting LWN.net.