What caused the AWS outage that felt like it took down half the internet on Monday? It started with a race condition in DynamoDB's DNS propagation, which ended up setting the dynamod.us-east-1 .amazonaws .com DNS to empty. A deepdive and more details:

How is Claude Code built? Claude Code writes 90% of the code, engineers do around 5 PRs per day, and PR output per engineer went up by 67% while the team doubled in size last year. More in today's deepdive: (Thanks @bcherny, @_catwu, @sidbidasaria)